SYMBOL INDEX (8478 symbols across 2248 files)

FILE: design-patterns/Javascript/Behavioral Pattern/Chain of Responsibilites/supportRequest.js
  class supportHandler (line 3) | class supportHandler {
    method constructor (line 4) | constructor(nextHandler) {
    method handleRequest (line 9) | handleRequest(request, type) {
  class InternetConnectionTeam (line 20) | class InternetConnectionTeam extends supportHandler {
    method handleRequest (line 21) | handleRequest(request, type) {
  class InternetSupportTeam (line 39) | class InternetSupportTeam extends supportHandler {
    method handleRequest (line 40) | handleRequest(request, type) {
  class PhoneConnectionTeam (line 53) | class PhoneConnectionTeam extends supportHandler {
    method handleRequest (line 54) | handleRequest(request, type) {
  class PhoneSupportTeam (line 72) | class PhoneSupportTeam extends supportHandler {
    method handleRequest (line 73) | handleRequest(request, type) {

FILE: design-patterns/Javascript/Behavioral Pattern/Command Design Pattern/command.js
  class Command (line 2) | class Command {
    method execute (line 3) | execute() {}
  class LightOnCommand (line 7) | class LightOnCommand extends Command {
    method constructor (line 8) | constructor(light) {
    method execute (line 13) | execute() {
  class LightOffCommand (line 17) | class LightOffCommand extends Command {
    method constructor (line 18) | constructor(light) {
    method execute (line 23) | execute() {
  class FanOnCommand (line 29) | class FanOnCommand extends Command {
    method constructor (line 30) | constructor(fan) {
    method execute (line 35) | execute() {
  class FanOffCommand (line 41) | class FanOffCommand extends Command {
    method constructor (line 42) | constructor(fan) {
    method execute (line 47) | execute() {

FILE: design-patterns/Javascript/Behavioral Pattern/Command Design Pattern/invoker.js
  class RemoteControl (line 2) | class RemoteControl {
    method setCommand (line 3) | setCommand(command) {
    method pressButton (line 7) | pressButton() {

FILE: design-patterns/Javascript/Behavioral Pattern/Command Design Pattern/receiver.js
  class Light (line 2) | class Light {
    method turnOn (line 3) | turnOn() {
    method turnOff (line 7) | turnOff() {
  class Fan (line 13) | class Fan {
    method turnOn (line 14) | turnOn() {
    method turnOff (line 18) | turnOff() {

FILE: design-patterns/Javascript/Behavioral Pattern/Iterator Design Pattern/aggregate.js
  class Aggregate (line 4) | class Aggregate {
    method createIterator (line 5) | createIterator() {
  class ConcreteAggregate (line 10) | class ConcreteAggregate extends Aggregate {
    method constructor (line 11) | constructor() {
    method addBook (line 16) | addBook(book) {
    method createIterator (line 20) | createIterator() {

FILE: design-patterns/Javascript/Behavioral Pattern/Iterator Design Pattern/book.js
  class Book (line 1) | class Book {
    method constructor (line 2) | constructor(title, author) {
    method getDetails (line 7) | getDetails() {

FILE: design-patterns/Javascript/Behavioral Pattern/Iterator Design Pattern/iterator.js
  class Iterator (line 1) | class Iterator {
    method next (line 2) | next() {
    method hasNext (line 6) | hasNext() {
  class LibraryIterator (line 12) | class LibraryIterator extends Iterator {
    method constructor (line 13) | constructor(collection) {
    method hasNext (line 19) | hasNext() {
    method next (line 24) | next() {

FILE: design-patterns/Javascript/Behavioral Pattern/Mediator Design Pattern/mediator.js
  class Mediator (line 2) | class Mediator {
    method register (line 3) | register(user) {
    method send (line 7) | send(message, user) {
  class ChatRoom (line 13) | class ChatRoom extends Mediator {
    method constructor (line 14) | constructor() {
    method register (line 19) | register(user) {
    method send (line 23) | send(message, from) {

FILE: design-patterns/Javascript/Behavioral Pattern/Mediator Design Pattern/user.js
  class User (line 1) | class User {
    method constructor (line 2) | constructor(name, mediator) {
    method send (line 7) | send(message) {
    method receive (line 12) | receive(message) {

FILE: design-patterns/Javascript/Behavioral Pattern/Memento Design Pattern/Example2/canvas.js
  class DrawingCanvas (line 4) | class DrawingCanvas {
    method constructor (line 5) | constructor() {
    method addShape (line 10) | addShape(shape) {
    method removeLastShape (line 15) | removeLastShape() {
    method save (line 20) | save() {
    method restore (line 25) | restore(memento) {
    method show (line 30) | show() {

FILE: design-patterns/Javascript/Behavioral Pattern/Memento Design Pattern/Example2/careTaker.js
  class History (line 3) | class History {
    method constructor (line 4) | constructor() {
    method saveMemento (line 9) | saveMemento(memento) {
    method getMemento (line 14) | getMemento(index) {
    method removeMemento (line 19) | removeMemento() {
    method getLatestMemento (line 22) | getLatestMemento() {
    method removeLastMemento (line 28) | removeLastMemento() {

FILE: design-patterns/Javascript/Behavioral Pattern/Memento Design Pattern/Example2/memento.js
  class CanvasMemento (line 2) | class CanvasMemento {
    method constructor (line 3) | constructor(state) {
    method getState (line 8) | getState() {

FILE: design-patterns/Javascript/Behavioral Pattern/Memento Design Pattern/careTaker.js
  class CareTaker (line 3) | class CareTaker {
    method constructor (line 4) | constructor() {
    method saveMemento (line 8) | saveMemento(memento) {
    method getMemento (line 12) | getMemento(index) {

FILE: design-patterns/Javascript/Behavioral Pattern/Memento Design Pattern/memento.js
  class Memento (line 2) | class Memento {
    method constructor (line 3) | constructor(state) {
    method getState (line 7) | getState() {

FILE: design-patterns/Javascript/Behavioral Pattern/Memento Design Pattern/orginator.js
  class TextEditor (line 5) | class TextEditor {
    method constructor (line 6) | constructor() {
    method write (line 10) | write(content) {
    method getContent (line 14) | getContent() {
    method save (line 18) | save() {
    method restore (line 22) | restore(memento) {

FILE: design-patterns/Javascript/Behavioral Pattern/Observer Design Pattern/observer.js
  class Observer (line 1) | class Observer {
    method update (line 2) | update(temperature) {
  class WebUI (line 7) | class WebUI extends Observer {
    method update (line 8) | update(temperature) {
  class MobileUI (line 13) | class MobileUI extends Observer {
    method update (line 14) | update(temperature) {

FILE: design-patterns/Javascript/Behavioral Pattern/Observer Design Pattern/publisher.js
  class WeatherStation (line 1) | class WeatherStation {
    method constructor (line 2) | constructor() {
    method addObserver (line 8) | addObserver(observer) {
    method removeObserver (line 13) | removeObserver(observer) {
    method notifyObservers (line 18) | notifyObservers() {
    method setTemperature (line 23) | setTemperature(temperature) {

FILE: design-patterns/Javascript/Behavioral Pattern/State Design Pattern/context.js
  class Phone (line 4) | class Phone {
    method constructor (line 5) | constructor() {
    method setState (line 8) | setState(state) {
    method alert (line 11) | alert() {
    method answer (line 14) | answer() {
    method hangup (line 17) | hangup() {

FILE: design-patterns/Javascript/Behavioral Pattern/State Design Pattern/state.js
  class PhoneState (line 2) | class PhoneState {
    method alert (line 3) | alert() {}
    method answer (line 4) | answer() {}
    method hangup (line 5) | hangup() {}
  class Ringing (line 11) | class Ringing extends PhoneState {
    method alert (line 12) | alert() {
    method answer (line 15) | answer(context) {
    method hangup (line 19) | hangup() {
  class InCall (line 25) | class InCall extends PhoneState {
    method alert (line 26) | alert() {
    method answer (line 29) | answer() {
    method hangup (line 32) | hangup(context) {
  class Idle (line 39) | class Idle extends PhoneState {
    method alert (line 40) | alert() {
    method answer (line 43) | answer() {
    method hangup (line 47) | hangup() {

FILE: design-patterns/Javascript/Behavioral Pattern/Strategy Design Pattern/paymentStrategy.js
  class PaymentGateway (line 5) | class PaymentGateway {
    method pay (line 6) | pay(amount) {
  class Cash (line 14) | class Cash extends PaymentGateway {
    method pay (line 15) | pay(amount) {
  class UPI (line 21) | class UPI extends PaymentGateway {
    method constructor (line 22) | constructor(UPI_ID, UPI_PIN) {
    method pay (line 27) | pay(amount) {
  class Card (line 35) | class Card extends PaymentGateway {
    method constructor (line 36) | constructor(cardNumber, CVV) {
    method pay (line 41) | pay(amount) {
  class InternetBanking (line 49) | class InternetBanking extends PaymentGateway {
    method constructor (line 50) | constructor(accountNumber, IFSC) {
    method pay (line 55) | pay(amount) {

FILE: design-patterns/Javascript/Behavioral Pattern/Strategy Design Pattern/shoppingCart_Context.js
  class ShoppinCart (line 3) | class ShoppinCart {
    method constructor (line 4) | constructor() {
    method addItem (line 10) | addItem(item) {
    method viewCart (line 15) | viewCart() {
    method setPaymentMethod (line 23) | setPaymentMethod(paymentMethod) {
    method checkout (line 28) | checkout() {

FILE: design-patterns/Javascript/Behavioral Pattern/Template Design Pattern/beverages.js
  class Food (line 2) | class Food {
    method prepareFood (line 3) | prepareFood() {
    method boilWater (line 11) | boilWater() {
    method brew (line 14) | brew() {
    method pourInCup (line 18) | pourInCup() {
    method addCondiments (line 21) | addCondiments() {
    method noNeedVegetables (line 26) | noNeedVegetables() {
    method addVegetables (line 32) | addVegetables() {
    method shouldAddVegetables (line 37) | shouldAddVegetables() {

FILE: design-patterns/Javascript/Behavioral Pattern/Template Design Pattern/beveragesTypes.js
  class Tea (line 6) | class Tea extends Food {
    method brew (line 7) | brew() {
    method addCondiments (line 11) | addCondiments() {
    method addVegetables (line 15) | addVegetables() {
    method shouldAddVegetables (line 19) | shouldAddVegetables() {
  class Coffee (line 24) | class Coffee extends Food {
    method brew (line 25) | brew() {
    method addCondiments (line 29) | addCondiments() {

FILE: design-patterns/Javascript/Behavioral Pattern/Visitor Design Pattern/element.js
  class Shape (line 2) | class Shape {
    method accept (line 3) | accept(visitor) {
  class Circle (line 8) | class Circle extends Shape {
    method constructor (line 9) | constructor(radius) {
    method accept (line 14) | accept(visitor) {
  class Rectangle (line 18) | class Rectangle extends Shape {
    method constructor (line 19) | constructor(width, height) {
    method accept (line 25) | accept(visitor) {

FILE: design-patterns/Javascript/Behavioral Pattern/Visitor Design Pattern/visitor.js
  class ShapeVisitor (line 2) | class ShapeVisitor {
    method visitCircle (line 3) | visitCircle(circle) {
    method visitRectangle (line 7) | visitRectangle(rectangle) {
  class AreaVisitor (line 13) | class AreaVisitor extends ShapeVisitor {
    method visitCircle (line 14) | visitCircle(circle) {
    method visitRectangle (line 19) | visitRectangle(rectangle) {
  class PerimeterVisitor (line 25) | class PerimeterVisitor extends ShapeVisitor {
    method visitCircle (line 26) | visitCircle(circle) {
    method visitRectangle (line 31) | visitRectangle(rectangle) {

FILE: design-patterns/Javascript/Creational Pattern/AbstractFactory Design Pattern/abstract.js
  class Chair (line 2) | class Chair {
    method sitOn (line 3) | sitOn() {
  class Sofa (line 8) | class Sofa {
    method lieOn (line 9) | lieOn() {
  class ModernChair (line 15) | class ModernChair extends Chair {
    method sitOn (line 16) | sitOn() {
  class ModernSofa (line 21) | class ModernSofa extends Sofa {
    method lieOn (line 22) | lieOn() {
  class ClassicChair (line 28) | class ClassicChair extends Chair {
    method sitOn (line 29) | sitOn() {
  class ClassicSofa (line 34) | class ClassicSofa extends Sofa {
    method lieOn (line 35) | lieOn() {
  class FurnitureFactory (line 41) | class FurnitureFactory {
    method createChair (line 42) | createChair() {
    method createSofa (line 45) | createSofa() {
  class ModernFurnitureFactory (line 51) | class ModernFurnitureFactory extends FurnitureFactory {
    method createChair (line 52) | createChair() {
    method createSofa (line 55) | createSofa() {
  class ClassicFurnitureFactory (line 61) | class ClassicFurnitureFactory extends FurnitureFactory {
    method createChair (line 62) | createChair() {
    method createSofa (line 65) | createSofa() {

FILE: design-patterns/Javascript/Creational Pattern/AbstractFactory Design Pattern/main.js
  function createFurniture (line 6) | function createFurniture(factory) {

FILE: design-patterns/Javascript/Creational Pattern/Builder Design Pattern/computerBuilder.js
  class Computer (line 1) | class Computer {
    method constructor (line 2) | constructor(builder) {
  class ComputerBuilder (line 10) | class ComputerBuilder {
    method constructor (line 11) | constructor(cpu, ram) {
    method addStorage (line 17) | addStorage(hardDisk) {
    method addMoniter (line 22) | addMoniter(moniter) {
    method build (line 27) | build() {

FILE: design-patterns/Javascript/Creational Pattern/Factory Design Pattern/factory.js
  class pizzaFactory (line 3) | class pizzaFactory {
    method createPizza (line 4) | static createPizza(pizzaType) {

FILE: design-patterns/Javascript/Creational Pattern/Factory Design Pattern/main.js
  function main (line 3) | function main() {

FILE: design-patterns/Javascript/Creational Pattern/Factory Design Pattern/pizza.js
  class Pizza (line 1) | class Pizza {
    method prepare (line 2) | prepare() {
    method bake (line 5) | bake() {
    method cut (line 8) | cut() {
    method box (line 11) | box() {
  class cheesePizza (line 16) | class cheesePizza extends Pizza {
    method prepare (line 17) | prepare() {
  class pepperoniPizza (line 22) | class pepperoniPizza extends Pizza {
    method prepare (line 23) | prepare() {

FILE: design-patterns/Javascript/Creational Pattern/Prototype Design Pattern/app.js
  class Car (line 1) | class Car{
    method constructor (line 2) | constructor(model, year, color){
    method clone (line 8) | clone(){ // Clone method to clone the current object
    method getDetails (line 12) | getDetails(){

FILE: design-patterns/Javascript/Creational Pattern/Singleton Design  Pattern/singleton.js
  class Singleton (line 4) | class Singleton {
    method constructor (line 5) | constructor() {
    method increment (line 15) | increment() {
    method getData (line 20) | getData() {

FILE: design-patterns/Javascript/Structural Pattern/Adapter Design Pattern/adapter.js
  class USB_Adapter (line 5) | class USB_Adapter {
    method constructor (line 6) | constructor(connector) {
    method plugIn (line 10) | plugIn() {

FILE: design-patterns/Javascript/Structural Pattern/Adapter Design Pattern/usbA_connector.js
  class USB_A_Connector (line 5) | class USB_A_Connector {
    method connect (line 6) | connect() {

FILE: design-patterns/Javascript/Structural Pattern/Adapter Design Pattern/usbC_device.js
  class USB_C_Device (line 5) | class USB_C_Device {
    method plugIn (line 6) | plugIn() {

FILE: design-patterns/Javascript/Structural Pattern/Bridge Design Pattern/device.js
  class Device (line 4) | class Device {
    method turnOn (line 5) | turnOn() {
    method turnOff (line 8) | turnOff() {
  class TV (line 14) | class TV extends Device {
    method turnOn (line 15) | turnOn() {
    method turnOff (line 19) | turnOff() {
  class Radio (line 25) | class Radio extends Device {
    method turnOn (line 26) | turnOn() {
    method turnOff (line 30) | turnOff() {

FILE: design-patterns/Javascript/Structural Pattern/Bridge Design Pattern/remoteControl.js
  class RemoteControl (line 3) | class RemoteControl {
    method constructor (line 4) | constructor(device) {
    method pressOn (line 8) | pressOn() {
    method pressOff (line 12) | pressOff() {

FILE: design-patterns/Javascript/Structural Pattern/Composite Design Pattern/component.js
  class Component (line 3) | class Component {
    method showDetails (line 4) | showDetails() {

FILE: design-patterns/Javascript/Structural Pattern/Composite Design Pattern/file.js
  class File (line 3) | class File extends Component {
    method constructor (line 4) | constructor(name) {
    method showDetails (line 9) | showDetails() {

FILE: design-patterns/Javascript/Structural Pattern/Composite Design Pattern/folder.js
  class Folder (line 5) | class Folder extends Component {
    method constructor (line 6) | constructor(name) {
    method add (line 12) | add(file) {
    method showDetails (line 16) | showDetails() {

FILE: design-patterns/Javascript/Structural Pattern/Decorator Design Pattern/additional.js
  class Cream (line 3) | class Cream {
    method constructor (line 4) | constructor(coffee) {
    method cost (line 8) | cost() {
  class Sugar (line 13) | class Sugar {
    method constructor (line 14) | constructor(coffee) {
    method cost (line 18) | cost() {
  class Ice (line 23) | class Ice{
    method constructor (line 24) | constructor(coffee) {
    method cost (line 28) | cost() {

FILE: design-patterns/Javascript/Structural Pattern/Decorator Design Pattern/coffee.js
  class Coffee (line 3) | class Coffee {
    method cost (line 4) | cost() {

FILE: design-patterns/Javascript/Structural Pattern/Facade Design Pattern/dvdPlayer.js
  class DVDPlayer (line 3) | class DVDPlayer {
    method on (line 4) | on() {
    method play (line 7) | play(movie) {
    method off (line 11) | off() {

FILE: design-patterns/Javascript/Structural Pattern/Facade Design Pattern/lights.js
  class Lights (line 3) | class Lights {
    method on (line 4) | on() {
    method off (line 8) | off() {

FILE: design-patterns/Javascript/Structural Pattern/Facade Design Pattern/movieFacade.js
  class MovieFacade (line 7) | class MovieFacade {
    method constructor (line 8) | constructor() {
    method watchMovie (line 16) | watchMovie(movie) {
    method getSnacks (line 27) | getSnacks(snacks) {
    method endMovie (line 34) | endMovie() {

FILE: design-patterns/Javascript/Structural Pattern/Facade Design Pattern/projector.js
  class Projector (line 3) | class Projector {
    method on (line 4) | on() {
    method connect (line 8) | connect(source) {
    method off (line 12) | off() {

FILE: design-patterns/Javascript/Structural Pattern/Facade Design Pattern/snacks.js
  class Snacks (line 3) | class Snacks {
    method noteOrder (line 4) | noteOrder(snacks) {
    method prepare (line 7) | prepare() {
    method serve (line 11) | serve(snacks) {

FILE: design-patterns/Javascript/Structural Pattern/Facade Design Pattern/soundSystem.js
  class SoundSystem (line 3) | class SoundSystem {
    method on (line 4) | on() {
    method setVolume (line 8) | setVolume(volume) {
    method off (line 12) | off() {

FILE: design-patterns/Javascript/Structural Pattern/Flyweight Design Pattern/circle.js
  class Circle (line 2) | class Circle{
    method constructor (line 3) | constructor(color){
    method draw (line 7) | draw(size, x, y){

FILE: design-patterns/Javascript/Structural Pattern/Flyweight Design Pattern/circleFactory.js
  class CircleFactory (line 5) | class CircleFactory {
    method constructor (line 6) | constructor() {
    method getCircle (line 10) | getCircle(color) {

FILE: design-patterns/Javascript/Structural Pattern/Proxy Design Pattern/proxyImage.js
  class ProxyImage (line 5) | class ProxyImage {
    method constructor (line 6) | constructor(fileName) {
    method display (line 11) | display() {

FILE: design-patterns/Javascript/Structural Pattern/Proxy Design Pattern/real_Image.js
  class realImage (line 1) | class realImage {
    method constructor (line 2) | constructor(fileName) {
    method loadFromDisk (line 7) | loadFromDisk() {
    method display (line 11) | display() {

FILE: design-patterns/cpp/adapter/in_house_payment_processor.h
  function class (line 5) | class InHousePaymentProcessor : public PaymentProcessor {

FILE: design-patterns/cpp/adapter/legacy_gateway.h
  function class (line 4) | class LegacyGateway {

FILE: design-patterns/cpp/adapter/legacy_gateway_adapter.h
  function class (line 5) | class LegacyGatewayAdapter : public PaymentProcessor {

FILE: design-patterns/cpp/adapter/main.cpp
  function main (line 6) | int main() {

FILE: design-patterns/cpp/adapter/payment_processor.h
  function class (line 4) | class PaymentProcessor {

FILE: design-patterns/cpp/bridge/circle.h
  function class (line 4) | class Circle : public Shape {

FILE: design-patterns/cpp/bridge/main.cpp
  function main (line 7) | int main() {

FILE: design-patterns/cpp/bridge/raster_renderer.h
  function class (line 4) | class RasterRenderer : public Renderer {

FILE: design-patterns/cpp/bridge/rectangle.h
  function class (line 4) | class Rectangle : public Shape {

FILE: design-patterns/cpp/bridge/renderer.h
  function class (line 3) | class Renderer {

FILE: design-patterns/cpp/bridge/shape.h
  function class (line 4) | class Shape {

FILE: design-patterns/cpp/bridge/vector_renderer.h
  function class (line 4) | class VectorRenderer : public Renderer {

FILE: design-patterns/cpp/builder/http_request.h
  function class (line 6) | class HttpRequest {

FILE: design-patterns/cpp/builder/http_request_builder.cpp
  function HttpRequest (line 37) | HttpRequest HttpRequest::Builder::build() {

FILE: design-patterns/cpp/builder/main.cpp
  function main (line 5) | int main() {

FILE: design-patterns/cpp/chainofresponsibility/auth_handler.h
  function class (line 5) | class AuthHandler : public BaseHandler {

FILE: design-patterns/cpp/chainofresponsibility/authorization_handler.h
  function class (line 5) | class AuthorizationHandler : public BaseHandler {

FILE: design-patterns/cpp/chainofresponsibility/base_handler.h
  function class (line 4) | class BaseHandler : public RequestHandler {

FILE: design-patterns/cpp/chainofresponsibility/business_logic_handler.h
  function class (line 5) | class BusinessLogicHandler : public BaseHandler {

FILE: design-patterns/cpp/chainofresponsibility/main.cpp
  function main (line 9) | int main() {

FILE: design-patterns/cpp/chainofresponsibility/rate_limit_handler.h
  function class (line 5) | class RateLimitHandler : public BaseHandler {

FILE: design-patterns/cpp/chainofresponsibility/request.h
  function class (line 4) | class Request {

FILE: design-patterns/cpp/chainofresponsibility/request_handler.h
  function class (line 4) | class RequestHandler {

FILE: design-patterns/cpp/chainofresponsibility/validation_handler.h
  function class (line 5) | class ValidationHandler : public BaseHandler {

FILE: design-patterns/cpp/composite/file.h
  function class (line 5) | class File : public FileSystemItem {

FILE: design-patterns/cpp/composite/file_system_item.h
  function class (line 4) | class FileSystemItem {

FILE: design-patterns/cpp/composite/folder.h
  function class (line 7) | class Folder : public FileSystemItem {

FILE: design-patterns/cpp/composite/main.cpp
  function main (line 6) | int main() {

FILE: design-patterns/cpp/decorator/bold_decorator.h
  function class (line 4) | class BoldDecorator : public TextDecorator {

FILE: design-patterns/cpp/decorator/italic_decorator.h
  function class (line 4) | class ItalicDecorator : public TextDecorator {

FILE: design-patterns/cpp/decorator/main.cpp
  function main (line 7) | int main() {

FILE: design-patterns/cpp/decorator/plain_text_view.h
  function class (line 5) | class PlainTextView : public TextView {

FILE: design-patterns/cpp/decorator/text_decorator.h
  function class (line 4) | class TextDecorator : public TextView {

FILE: design-patterns/cpp/decorator/text_view.h
  function class (line 3) | class TextView {

FILE: design-patterns/cpp/decorator/underline_decorator.h
  function class (line 4) | class UnderlineDecorator : public TextDecorator {

FILE: design-patterns/cpp/facade/build_system.h
  function class (line 7) | class BuildSystem {

FILE: design-patterns/cpp/facade/deployment_facade.h
  function class (line 9) | class DeploymentFacade {

FILE: design-patterns/cpp/facade/deployment_target.h
  function class (line 7) | class DeploymentTarget {

FILE: design-patterns/cpp/facade/main.cpp
  function main (line 4) | int main() {

FILE: design-patterns/cpp/facade/testing_framework.h
  function class (line 6) | class TestingFramework {

FILE: design-patterns/cpp/facade/version_control_system.h
  function class (line 7) | class VersionControlSystem {

FILE: design-patterns/cpp/factory/email_notification.h
  function class (line 4) | class EmailNotification : public Notification {

FILE: design-patterns/cpp/factory/main.cpp
  function main (line 4) | int main() {

FILE: design-patterns/cpp/factory/notification.h
  function class (line 4) | class Notification {

FILE: design-patterns/cpp/factory/notification_factory.h
  function class (line 6) | class NotificationFactory {

FILE: design-patterns/cpp/factory/push_notification.h
  function class (line 4) | class PushNotification : public Notification {

FILE: design-patterns/cpp/factory/sms_notification.h
  function class (line 4) | class SMSNotification : public Notification {

FILE: design-patterns/cpp/flyweight/circle.h
  function class (line 5) | class Circle : public Shape {

FILE: design-patterns/cpp/flyweight/main.cpp
  function main (line 4) | int main() {

FILE: design-patterns/cpp/flyweight/shape.h
  function class (line 4) | class Shape {

FILE: design-patterns/cpp/flyweight/shape_factory.cpp
  function Shape (line 6) | Shape* ShapeFactory::getCircle(const std::string& color) {

FILE: design-patterns/cpp/flyweight/shape_factory.h
  function class (line 7) | class ShapeFactory {

FILE: design-patterns/cpp/iterator/container.h
  function class (line 4) | class Container {

FILE: design-patterns/cpp/iterator/iterator.h
  function class (line 4) | class Iterator {

FILE: design-patterns/cpp/iterator/main.cpp
  function main (line 4) | int main() {

FILE: design-patterns/cpp/iterator/name_iterator.h
  function class (line 6) | class NameIterator : public Iterator {

FILE: design-patterns/cpp/iterator/name_repository.cpp
  function Iterator (line 8) | Iterator* NameRepository::getIterator() {

FILE: design-patterns/cpp/iterator/name_repository.h
  function class (line 6) | class NameRepository : public Container {

FILE: design-patterns/cpp/mediator/button.h
  function class (line 4) | class Button : public UIComponent {

FILE: design-patterns/cpp/mediator/form_mediator.h
  function class (line 7) | class FormMediator : public UIMediator {

FILE: design-patterns/cpp/mediator/label.h
  function class (line 5) | class Label : public UIComponent {

FILE: design-patterns/cpp/mediator/main.cpp
  function main (line 7) | int main() {

FILE: design-patterns/cpp/mediator/text_field.h
  function class (line 5) | class TextField : public UIComponent {

FILE: design-patterns/cpp/mediator/ui_component.h
  function class (line 4) | class UIComponent {

FILE: design-patterns/cpp/mediator/ui_mediator.h
  function class (line 6) | class UIMediator {

FILE: design-patterns/cpp/memento/main.cpp
  function main (line 5) | int main() {

FILE: design-patterns/cpp/memento/text_editor.cpp
  function TextEditorMemento (line 13) | TextEditorMemento TextEditor::save() const {

FILE: design-patterns/cpp/memento/text_editor.h
  function class (line 5) | class TextEditor {

FILE: design-patterns/cpp/memento/text_editor_memento.h
  function class (line 4) | class TextEditorMemento {

FILE: design-patterns/cpp/memento/text_editor_undo_manager.h
  function class (line 5) | class TextEditorUndoManager {

FILE: design-patterns/cpp/observer/fitness_data.h
  function class (line 6) | class FitnessData : public FitnessDataSubject {

FILE: design-patterns/cpp/observer/fitness_data_observer.h
  function class (line 6) | class FitnessDataObserver {

FILE: design-patterns/cpp/observer/fitness_data_subject.h
  function class (line 4) | class FitnessDataSubject {

FILE: design-patterns/cpp/observer/goal_notifier.h
  function class (line 4) | class GoalNotifier : public FitnessDataObserver {

FILE: design-patterns/cpp/observer/live_activity_display.h
  function class (line 4) | class LiveActivityDisplay : public FitnessDataObserver {

FILE: design-patterns/cpp/observer/main.cpp
  function main (line 7) | int main() {

FILE: design-patterns/cpp/observer/progress_logger.h
  function class (line 4) | class ProgressLogger : public FitnessDataObserver {

FILE: design-patterns/cpp/prototype/enemy.cpp
  function Enemy (line 7) | Enemy* Enemy::clone() const {

FILE: design-patterns/cpp/prototype/enemy.h
  function class (line 5) | class Enemy : public EnemyPrototype {

FILE: design-patterns/cpp/prototype/enemy_prototype.h
  function class (line 3) | class EnemyPrototype {

FILE: design-patterns/cpp/prototype/enemy_registry.h
  function class (line 8) | class EnemyRegistry {

FILE: design-patterns/cpp/proxy/image.h
  function class (line 4) | class Image {

FILE: design-patterns/cpp/proxy/image_gallery_app_v1.cpp
  function main (line 4) | int main() {

FILE: design-patterns/cpp/proxy/image_gallery_app_v2.cpp
  function main (line 4) | int main() {

FILE: design-patterns/cpp/proxy/image_proxy.h
  function class (line 7) | class ImageProxy : public Image {

FILE: design-patterns/cpp/singleton/double_checked_singleton.cpp
  function DoubleCheckedSingleton (line 7) | DoubleCheckedSingleton& DoubleCheckedSingleton::getInstance() {

FILE: design-patterns/cpp/singleton/double_checked_singleton.h
  function class (line 6) | class DoubleCheckedSingleton {

FILE: design-patterns/cpp/singleton/eager_singleton.cpp
  function EagerSingleton (line 6) | EagerSingleton& EagerSingleton::getInstance() {

FILE: design-patterns/cpp/singleton/eager_singleton.h
  function class (line 3) | class EagerSingleton {

FILE: design-patterns/cpp/singleton/lazy_singleton.cpp
  function LazySingleton (line 6) | LazySingleton& LazySingleton::getInstance() {

FILE: design-patterns/cpp/singleton/lazy_singleton.h
  function class (line 4) | class LazySingleton {

FILE: design-patterns/cpp/singleton/main.cpp
  function main (line 7) | int main() {

FILE: design-patterns/cpp/singleton/thread_safe_singleton.cpp
  function ThreadSafeSingleton (line 7) | ThreadSafeSingleton& ThreadSafeSingleton::getInstance() {

FILE: design-patterns/cpp/singleton/thread_safe_singleton.h
  function class (line 5) | class ThreadSafeSingleton {

FILE: design-patterns/cpp/state/dispensing_state.h
  function class (line 4) | class DispensingState : public MachineState {

FILE: design-patterns/cpp/state/has_money_state.h
  function class (line 4) | class HasMoneyState : public MachineState {

FILE: design-patterns/cpp/state/idle_state.h
  function class (line 4) | class IdleState : public MachineState {

FILE: design-patterns/cpp/state/item_selected_state.h
  function class (line 4) | class ItemSelectedState : public MachineState {

FILE: design-patterns/cpp/state/machine_state.h
  function class (line 6) | class MachineState {

FILE: design-patterns/cpp/state/main.cpp
  function main (line 4) | int main() {

FILE: design-patterns/cpp/state/vending_machine.h
  function class (line 6) | class VendingMachine {

FILE: design-patterns/cpp/strategy/distance_based_shipping.h
  function class (line 4) | class DistanceBasedShipping : public ShippingStrategy {

FILE: design-patterns/cpp/strategy/flat_rate_shipping.h
  function class (line 4) | class FlatRateShipping : public ShippingStrategy {

FILE: design-patterns/cpp/strategy/order.h
  function class (line 4) | class Order {

FILE: design-patterns/cpp/strategy/shipping_cost_service.h
  function class (line 5) | class ShippingCostService {

FILE: design-patterns/cpp/strategy/shipping_strategy.h
  function class (line 4) | class ShippingStrategy {

FILE: design-patterns/cpp/strategy/third_party_api_shipping.h
  function class (line 4) | class ThirdPartyApiShipping : public ShippingStrategy {

FILE: design-patterns/cpp/strategy/weight_based_shipping.h
  function class (line 4) | class WeightBasedShipping : public ShippingStrategy {

FILE: design-patterns/cpp/templatemethod/abstract_report_exporter.h
  function class (line 5) | class AbstractReportExporter {

FILE: design-patterns/cpp/templatemethod/csv_report_exporter.h
  function class (line 4) | class CsvReportExporter : public AbstractReportExporter {

FILE: design-patterns/cpp/templatemethod/excel_report_exporter.h
  function class (line 4) | class ExcelReportExporter : public AbstractReportExporter {

FILE: design-patterns/cpp/templatemethod/pdf_report_exporter.h
  function class (line 4) | class PdfReportExporter : public AbstractReportExporter {

FILE: design-patterns/cpp/templatemethod/report_app.cpp
  function main (line 7) | int main() {

FILE: design-patterns/cpp/templatemethod/report_data.h
  function class (line 7) | class ReportData {

FILE: design-patterns/csharp/adapter/CheckoutService.cs
  class CheckoutService (line 5) | public class CheckoutService
    method CheckoutService (line 9) | public CheckoutService(IPaymentProcessor paymentProcessor)
    method Checkout (line 14) | public bool Checkout(double amount, string currency)

FILE: design-patterns/csharp/adapter/IPaymentProcessor.cs
  type IPaymentProcessor (line 3) | public interface IPaymentProcessor
    method ProcessPayment (line 5) | void ProcessPayment(double amount, string currency);
    method IsPaymentSuccessful (line 6) | bool IsPaymentSuccessful();
    method GetTransactionId (line 7) | string GetTransactionId();

FILE: design-patterns/csharp/adapter/InHousePaymentProcessor.cs
  class InHousePaymentProcessor (line 5) | public class InHousePaymentProcessor : IPaymentProcessor
    method ProcessPayment (line 10) | public void ProcessPayment(double amount, string currency)
    method IsPaymentSuccessful (line 26) | public bool IsPaymentSuccessful()
    method GetTransactionId (line 31) | public string GetTransactionId()

FILE: design-patterns/csharp/adapter/LegacyGateway.cs
  class LegacyGateway (line 5) | public class LegacyGateway
    method ExecuteTransaction (line 10) | public void ExecuteTransaction(double totalAmount, string currency)
    method CheckStatus (line 18) | public bool CheckStatus(long transactionReference)
    method GetReferenceNumber (line 24) | public long GetReferenceNumber()

FILE: design-patterns/csharp/adapter/LegacyGatewayAdapter.cs
  class LegacyGatewayAdapter (line 5) | public class LegacyGatewayAdapter : IPaymentProcessor
    method LegacyGatewayAdapter (line 10) | public LegacyGatewayAdapter()
    method ProcessPayment (line 15) | public void ProcessPayment(double amount, string currency)
    method IsPaymentSuccessful (line 29) | public bool IsPaymentSuccessful()
    method GetTransactionId (line 35) | public string GetTransactionId()

FILE: design-patterns/csharp/adapter/Program.cs
  class Program (line 5) | class Program
    method Main (line 7) | static void Main(string[] args)

FILE: design-patterns/csharp/bridge/Circle.cs
  class Circle (line 3) | public class Circle : Shape
    method Circle (line 7) | public Circle(IRenderer renderer, float radius) : base(renderer)
    method Draw (line 12) | public override void Draw()

FILE: design-patterns/csharp/bridge/IRenderer.cs
  type IRenderer (line 3) | public interface IRenderer
    method RenderCircle (line 5) | void RenderCircle(float radius);
    method RenderRectangle (line 6) | void RenderRectangle(float width, float height);

FILE: design-patterns/csharp/bridge/Program.cs
  class Program (line 5) | class Program
    method Main (line 7) | static void Main(string[] args)

FILE: design-patterns/csharp/bridge/RasterRenderer.cs
  class RasterRenderer (line 5) | public class RasterRenderer : IRenderer
    method RenderCircle (line 7) | public void RenderCircle(float radius)
    method RenderRectangle (line 12) | public void RenderRectangle(float width, float height)

FILE: design-patterns/csharp/bridge/Rectangle.cs
  class Rectangle (line 3) | public class Rectangle : Shape
    method Rectangle (line 8) | public Rectangle(IRenderer renderer, float width, float height) : base...
    method Draw (line 14) | public override void Draw()

FILE: design-patterns/csharp/bridge/Shape.cs
  class Shape (line 3) | public abstract class Shape
    method Shape (line 7) | protected Shape(IRenderer renderer)
    method Draw (line 12) | public abstract void Draw();

FILE: design-patterns/csharp/bridge/VectorRenderer.cs
  class VectorRenderer (line 5) | public class VectorRenderer : IRenderer
    method RenderCircle (line 7) | public void RenderCircle(float radius)
    method RenderRectangle (line 12) | public void RenderRectangle(float width, float height)

FILE: design-patterns/csharp/builder/HttpRequest.cs
  class HttpRequest (line 7) | public class HttpRequest
    method HttpRequest (line 17) | private HttpRequest(Builder builder)
    method ToString (line 27) | public override string ToString()
    class Builder (line 39) | public class Builder
      method Builder (line 52) | public Builder(string url)
      method WithMethod (line 62) | public Builder WithMethod(string method)
      method WithHeader (line 68) | public Builder WithHeader(string key, string value)
      method WithQueryParam (line 77) | public Builder WithQueryParam(string key, string value)
      method WithBody (line 86) | public Builder WithBody(string body)
      method WithTimeout (line 92) | public Builder WithTimeout(int timeoutMillis)
      method Build (line 102) | public HttpRequest Build()

FILE: design-patterns/csharp/builder/Program.cs
  class Program (line 5) | class Program
    method Main (line 7) | static void Main(string[] args)

FILE: design-patterns/csharp/chainofresponsibility/AuthHandler.cs
  class AuthHandler (line 5) | public class AuthHandler : BaseHandler
    method Handle (line 7) | public override void Handle(Request request)

FILE: design-patterns/csharp/chainofresponsibility/AuthorizationHandler.cs
  class AuthorizationHandler (line 5) | public class AuthorizationHandler : BaseHandler
    method Handle (line 7) | public override void Handle(Request request)

FILE: design-patterns/csharp/chainofresponsibility/BaseHandler.cs
  class BaseHandler (line 3) | public abstract class BaseHandler : IRequestHandler
    method SetNext (line 7) | public void SetNext(IRequestHandler next)
    method Handle (line 12) | public abstract void Handle(Request request);
    method HandleNext (line 14) | protected void HandleNext(Request request)

FILE: design-patterns/csharp/chainofresponsibility/BusinessLogicHandler.cs
  class BusinessLogicHandler (line 5) | public class BusinessLogicHandler : BaseHandler
    method Handle (line 7) | public override void Handle(Request request)

FILE: design-patterns/csharp/chainofresponsibility/RateLimitHandler.cs
  class RateLimitHandler (line 5) | public class RateLimitHandler : BaseHandler
    method Handle (line 9) | public override void Handle(Request request)

FILE: design-patterns/csharp/chainofresponsibility/Request.cs
  class Request (line 3) | public class Request
    method Request (line 10) | public Request(string user, string role, int requestCount, string payl...

FILE: design-patterns/csharp/chainofresponsibility/ValidationHandler.cs
  class ValidationHandler (line 5) | public class ValidationHandler : BaseHandler
    method Handle (line 7) | public override void Handle(Request request)

FILE: design-patterns/csharp/composite/File.cs
  class File (line 5) | public class File : IFileSystemItem
    method File (line 10) | public File(string name, int size)
    method GetSize (line 16) | public int GetSize()
    method PrintStructure (line 21) | public void PrintStructure(string indent)
    method Delete (line 26) | public void Delete()

FILE: design-patterns/csharp/composite/Folder.cs
  class Folder (line 6) | public class Folder : IFileSystemItem
    method Folder (line 11) | public Folder(string name)
    method Add (line 17) | public void Add(IFileSystemItem item)
    method Remove (line 22) | public void Remove(IFileSystemItem item)
    method GetSize (line 27) | public int GetSize()
    method PrintStructure (line 37) | public void PrintStructure(string indent)
    method Delete (line 46) | public void Delete()

FILE: design-patterns/csharp/composite/IFileSystemItem.cs
  type IFileSystemItem (line 3) | public interface IFileSystemItem
    method GetSize (line 5) | int GetSize();
    method PrintStructure (line 6) | void PrintStructure(string indent);
    method Delete (line 7) | void Delete();

FILE: design-patterns/csharp/composite/Program.cs
  class Program (line 5) | class Program
    method Main (line 7) | static void Main(string[] args)

FILE: design-patterns/csharp/decorator/BoldDecorator.cs
  class BoldDecorator (line 5) | public class BoldDecorator : TextDecorator
    method BoldDecorator (line 7) | public BoldDecorator(ITextView inner) : base(inner)
    method Render (line 11) | public override void Render()

FILE: design-patterns/csharp/decorator/ITextView.cs
  type ITextView (line 3) | public interface ITextView
    method Render (line 5) | void Render();

FILE: design-patterns/csharp/decorator/ItalicDecorator.cs
  class ItalicDecorator (line 5) | public class ItalicDecorator : TextDecorator
    method ItalicDecorator (line 7) | public ItalicDecorator(ITextView inner) : base(inner)
    method Render (line 11) | public override void Render()

FILE: design-patterns/csharp/decorator/PlainTextView.cs
  class PlainTextView (line 5) | public class PlainTextView : ITextView
    method PlainTextView (line 9) | public PlainTextView(string text)
    method Render (line 14) | public void Render()

FILE: design-patterns/csharp/decorator/Program.cs
  class Program (line 5) | class Program
    method Main (line 7) | static void Main(string[] args)

FILE: design-patterns/csharp/decorator/TextDecorator.cs
  class TextDecorator (line 3) | public abstract class TextDecorator : ITextView
    method TextDecorator (line 7) | public TextDecorator(ITextView inner)
    method Render (line 12) | public abstract void Render();

FILE: design-patterns/csharp/decorator/UnderlineDecorator.cs
  class UnderlineDecorator (line 5) | public class UnderlineDecorator : TextDecorator
    method UnderlineDecorator (line 7) | public UnderlineDecorator(ITextView inner) : base(inner)
    method Render (line 11) | public override void Render()

FILE: design-patterns/csharp/facade/BuildSystem.cs
  class BuildSystem (line 6) | public class BuildSystem
    method CompileProject (line 8) | public bool CompileProject()
    method GetArtifactPath (line 16) | public string GetArtifactPath()
    method SimulateDelay (line 23) | private void SimulateDelay(int ms)

FILE: design-patterns/csharp/facade/DeploymentFacade.cs
  class DeploymentFacade (line 5) | public class DeploymentFacade
    method DeploymentFacade (line 12) | public DeploymentFacade()
    method DeployApplication (line 20) | public bool DeployApplication(string branch, string serverAddress)
    method DeployHotfix (line 64) | public bool DeployHotfix(string branch, string serverAddress)

FILE: design-patterns/csharp/facade/DeploymentTarget.cs
  class DeploymentTarget (line 6) | public class DeploymentTarget
    method TransferArtifact (line 8) | public void TransferArtifact(string artifactPath, string server)
    method ActivateNewVersion (line 15) | public void ActivateNewVersion(string server)
    method SimulateDelay (line 22) | private void SimulateDelay(int ms)

FILE: design-patterns/csharp/facade/Program.cs
  class Program (line 5) | class Program
    method Main (line 7) | static void Main(string[] args)

FILE: design-patterns/csharp/facade/TestingFramework.cs
  class TestingFramework (line 6) | public class TestingFramework
    method RunUnitTests (line 8) | public bool RunUnitTests()
    method RunIntegrationTests (line 16) | public bool RunIntegrationTests()
    method SimulateDelay (line 24) | private void SimulateDelay(int ms)

FILE: design-patterns/csharp/factory/EmailNotification.cs
  class EmailNotification (line 5) | public class EmailNotification : INotification
    method Send (line 7) | public void Send(string message)

FILE: design-patterns/csharp/factory/INotification.cs
  type INotification (line 3) | public interface INotification
    method Send (line 5) | void Send(string message);

FILE: design-patterns/csharp/factory/NotificationServiceNaive.cs
  class NotificationServiceNaive (line 5) | public class NotificationServiceNaive
    method SendNotification (line 7) | public void SendNotification(string type, string message)

FILE: design-patterns/csharp/factory/Program.cs
  class Program (line 5) | class Program
    method Main (line 7) | static void Main(string[] args)

FILE: design-patterns/csharp/factory/PushNotification.cs
  class PushNotification (line 5) | public class PushNotification : INotification
    method Send (line 7) | public void Send(string message)

FILE: design-patterns/csharp/factory/SMSNotification.cs
  class SMSNotification (line 5) | public class SMSNotification : INotification
    method Send (line 7) | public void Send(string message)

FILE: design-patterns/csharp/flyweight/CharacterFlyweightFactory.cs
  class CharacterFlyweightFactory (line 6) | public class CharacterFlyweightFactory
    method GetFlyweight (line 10) | public static ICharacterFlyweight GetFlyweight(char symbol, string fon...
    method GetFlyweightCount (line 20) | public int GetFlyweightCount()

FILE: design-patterns/csharp/flyweight/CharacterGlyph.cs
  class CharacterGlyph (line 5) | public class CharacterGlyph : ICharacterFlyweight
    method CharacterGlyph (line 12) | public CharacterGlyph(char symbol, string fontFamily, int fontSize, st...
    method Draw (line 20) | public void Draw(int x, int y)

FILE: design-patterns/csharp/flyweight/ICharacterFlyweight.cs
  type ICharacterFlyweight (line 3) | public interface ICharacterFlyweight
    method Draw (line 5) | void Draw(int x, int y);

FILE: design-patterns/csharp/flyweight/Program.cs
  class Program (line 5) | class Program
    method Main (line 7) | static void Main(string[] args)

FILE: design-patterns/csharp/flyweight/TextEditorClient.cs
  class TextEditorClient (line 6) | public class TextEditorClient
    method AddCharacter (line 11) | public void AddCharacter(char c, int x, int y, string font, int size, ...
    method RenderDocument (line 17) | public void RenderDocument()
    class RenderedCharacter (line 26) | private class RenderedCharacter
      method RenderedCharacter (line 31) | public RenderedCharacter(ICharacterFlyweight glyph, int x, int y)
      method Draw (line 38) | public void Draw()

FILE: design-patterns/csharp/iterator/IIterableCollection.cs
  type IIterableCollection (line 3) | public interface IIterableCollection<T>
    method CreateIterator (line 5) | IIterator<T> CreateIterator();

FILE: design-patterns/csharp/iterator/IIterator.cs
  type IIterator (line 3) | public interface IIterator<T>
    method HasNext (line 5) | bool HasNext();
    method Next (line 6) | T Next();

FILE: design-patterns/csharp/mediator/Button.cs
  class Button (line 5) | public class Button : UIComponent
    method Button (line 9) | public Button(IUIMediator mediator) : base(mediator)
    method Click (line 13) | public void Click()
    method SetEnabled (line 26) | public void SetEnabled(bool value)

FILE: design-patterns/csharp/mediator/FormMediator.cs
  class FormMediator (line 3) | public class FormMediator : IUIMediator
    method SetUsernameField (line 10) | public void SetUsernameField(TextField usernameField)
    method SetPasswordField (line 15) | public void SetPasswordField(TextField passwordField)
    method SetLoginButton (line 20) | public void SetLoginButton(Button loginButton)
    method SetStatusLabel (line 25) | public void SetStatusLabel(Label statusLabel)
    method ComponentChanged (line 30) | public void ComponentChanged(UIComponent component)

FILE: design-patterns/csharp/mediator/IUIMediator.cs
  type IUIMediator (line 3) | public interface IUIMediator
    method ComponentChanged (line 5) | void ComponentChanged(UIComponent component);

FILE: design-patterns/csharp/mediator/Label.cs
  class Label (line 5) | public class Label : UIComponent
    method Label (line 9) | public Label(IUIMediator mediator) : base(mediator)
    method SetText (line 13) | public void SetText(string message)

FILE: design-patterns/csharp/mediator/Program.cs
  class Program (line 5) | class Program
    method Main (line 7) | static void Main(string[] args)

FILE: design-patterns/csharp/mediator/TextField.cs
  class TextField (line 5) | public class TextField : UIComponent
    method TextField (line 9) | public TextField(IUIMediator mediator) : base(mediator)
    method SetText (line 13) | public void SetText(string newText)
    method GetText (line 20) | public string GetText()

FILE: design-patterns/csharp/mediator/UIComponent.cs
  class UIComponent (line 3) | public abstract class UIComponent
    method UIComponent (line 7) | public UIComponent(IUIMediator mediator)
    method NotifyMediator (line 12) | public void NotifyMediator()

FILE: design-patterns/csharp/memento/Program.cs
  class Program (line 5) | class Program
    method Main (line 7) | static void Main(string[] args)

FILE: design-patterns/csharp/memento/TextEditor.cs
  class TextEditor (line 5) | public class TextEditor
    method Type (line 9) | public void Type(string newText)
    method GetContent (line 15) | public string GetContent()
    method Save (line 20) | public TextEditorMemento Save()
    method Restore (line 26) | public void Restore(TextEditorMemento memento)

FILE: design-patterns/csharp/memento/TextEditorMemento.cs
  class TextEditorMemento (line 3) | public class TextEditorMemento
    method TextEditorMemento (line 7) | public TextEditorMemento(string state)
    method GetState (line 12) | public string GetState()

FILE: design-patterns/csharp/memento/TextEditorUndoManager.cs
  class TextEditorUndoManager (line 6) | public class TextEditorUndoManager
    method Save (line 10) | public void Save(TextEditor editor)
    method Undo (line 15) | public void Undo(TextEditor editor)

FILE: design-patterns/csharp/observer/FitnessData.cs
  class FitnessData (line 6) | public class FitnessData : IFitnessDataSubject
    method RegisterObserver (line 14) | public void RegisterObserver(IFitnessDataObserver observer)
    method RemoveObserver (line 19) | public void RemoveObserver(IFitnessDataObserver observer)
    method NotifyObservers (line 24) | public void NotifyObservers()
    method NewFitnessDataPushed (line 32) | public void NewFitnessDataPushed(int steps, int activeMinutes, int cal...
    method DailyReset (line 43) | public void DailyReset()

FILE: design-patterns/csharp/observer/GoalNotifier.cs
  class GoalNotifier (line 5) | public class GoalNotifier : IFitnessDataObserver
    method Update (line 11) | public void Update(FitnessData data)

FILE: design-patterns/csharp/observer/IFitnessDataObserver.cs
  type IFitnessDataObserver (line 3) | public interface IFitnessDataObserver
    method Update (line 5) | void Update(FitnessData data);

FILE: design-patterns/csharp/observer/IFitnessDataSubject.cs
  type IFitnessDataSubject (line 3) | public interface IFitnessDataSubject
    method RegisterObserver (line 5) | void RegisterObserver(IFitnessDataObserver observer);
    method RemoveObserver (line 6) | void RemoveObserver(IFitnessDataObserver observer);
    method NotifyObservers (line 7) | void NotifyObservers();

FILE: design-patterns/csharp/observer/LiveActivityDisplay.cs
  class LiveActivityDisplay (line 5) | public class LiveActivityDisplay : IFitnessDataObserver
    method Update (line 7) | public void Update(FitnessData data)

FILE: design-patterns/csharp/observer/ProgressLogger.cs
  class ProgressLogger (line 5) | public class ProgressLogger : IFitnessDataObserver
    method Update (line 7) | public void Update(FitnessData data)

FILE: design-patterns/csharp/prototype/Enemy.cs
  class Enemy (line 5) | public class Enemy : IEnemyPrototype
    method Enemy (line 13) | public Enemy(string type, int health, double speed, bool armored, stri...
    method Clone (line 22) | public IEnemyPrototype Clone()
    method SetHealth (line 27) | public void SetHealth(int health)
    method PrintStats (line 32) | public void PrintStats()

FILE: design-patterns/csharp/prototype/EnemyRegistry.cs
  class EnemyRegistry (line 6) | public class EnemyRegistry
    method Register (line 10) | public void Register(string key, Enemy prototype)
    method Get (line 15) | public Enemy Get(string key)

FILE: design-patterns/csharp/prototype/Game.cs
  class Game (line 5) | class Game
    method Main (line 7) | static void Main(string[] args)

FILE: design-patterns/csharp/prototype/IEnemyPrototype.cs
  type IEnemyPrototype (line 3) | public interface IEnemyPrototype
    method Clone (line 5) | IEnemyPrototype Clone();

FILE: design-patterns/csharp/proxy/HighResolutionImage.cs
  class HighResolutionImage (line 6) | public class HighResolutionImage : IImage
    method HighResolutionImage (line 11) | public HighResolutionImage(string fileName)
    method LoadImageFromDisk (line 17) | private void LoadImageFromDisk()
    method Display (line 26) | public void Display()
    method GetFileName (line 32) | public string GetFileName()

FILE: design-patterns/csharp/proxy/IImage.cs
  type IImage (line 3) | public interface IImage
    method Display (line 5) | void Display();
    method GetFileName (line 6) | string GetFileName();

FILE: design-patterns/csharp/proxy/ImageGalleryApp.cs
  class ImageGalleryApp (line 5) | class ImageGalleryApp
    method Main (line 7) | static void Main(string[] args)

FILE: design-patterns/csharp/proxy/ImageProxy.cs
  class ImageProxy (line 5) | public class ImageProxy : IImage
    method ImageProxy (line 10) | public ImageProxy(string fileName)
    method GetFileName (line 16) | public string GetFileName()
    method Display (line 22) | public void Display()

FILE: design-patterns/csharp/singleton/BillPughSingleton.cs
  class BillPughSingleton (line 3) | public class BillPughSingleton
    method BillPughSingleton (line 5) | private BillPughSingleton() { }
    method GetInstance (line 6) | public static BillPughSingleton GetInstance()
    class Nested (line 10) | private class Nested
      method Nested (line 13) | static Nested() { }

FILE: design-patterns/csharp/singleton/DoubleCheckedLockingSingleton.cs
  class DoubleCheckedLockingSingleton (line 3) | public class DoubleCheckedLockingSingleton
    method DoubleCheckedLockingSingleton (line 7) | private DoubleCheckedLockingSingleton() { }
    method GetInstance (line 8) | public static DoubleCheckedLockingSingleton GetInstance()

FILE: design-patterns/csharp/singleton/EagerSingleton.cs
  class EagerSingleton (line 3) | public class EagerSingleton
    method EagerSingleton (line 6) | private EagerSingleton() { }
    method GetInstance (line 7) | public static EagerSingleton GetInstance()

FILE: design-patterns/csharp/singleton/LazySingleton.cs
  class LazySingleton (line 3) | public class LazySingleton
    method LazySingleton (line 6) | private LazySingleton() { }
    method GetInstance (line 7) | public static LazySingleton GetInstance()

FILE: design-patterns/csharp/singleton/SingletonDemo.cs
  class SingletonDemo (line 5) | class SingletonDemo
    method Main (line 7) | static void Main(string[] args)

FILE: design-patterns/csharp/singleton/StaticBlockSingleton.cs
  class StaticBlockSingleton (line 5) | public class StaticBlockSingleton
    method StaticBlockSingleton (line 8) | static StaticBlockSingleton()
    method StaticBlockSingleton (line 19) | private StaticBlockSingleton() { }
    method GetInstance (line 20) | public static StaticBlockSingleton GetInstance()

FILE: design-patterns/csharp/singleton/ThreadSafeSingleton.cs
  class ThreadSafeSingleton (line 3) | public class ThreadSafeSingleton
    method ThreadSafeSingleton (line 7) | private ThreadSafeSingleton() { }
    method GetInstance (line 8) | public static ThreadSafeSingleton GetInstance()

FILE: design-patterns/csharp/state/DispensingState.cs
  class DispensingState (line 5) | public class DispensingState : IMachineState
    method SelectItem (line 7) | public void SelectItem(VendingMachine context, string itemCode)
    method InsertCoin (line 12) | public void InsertCoin(VendingMachine context, double amount)
    method DispenseItem (line 17) | public void DispenseItem(VendingMachine context)

FILE: design-patterns/csharp/state/HasMoneyState.cs
  class HasMoneyState (line 6) | public class HasMoneyState : IMachineState
    method SelectItem (line 8) | public void SelectItem(VendingMachine context, string itemCode)
    method InsertCoin (line 13) | public void InsertCoin(VendingMachine context, double amount)
    method DispenseItem (line 18) | public void DispenseItem(VendingMachine context)

FILE: design-patterns/csharp/state/IMachineState.cs
  type IMachineState (line 3) | public interface IMachineState
    method SelectItem (line 5) | void SelectItem(VendingMachine context, string itemCode);
    method InsertCoin (line 6) | void InsertCoin(VendingMachine context, double amount);
    method DispenseItem (line 7) | void DispenseItem(VendingMachine context);

FILE: design-patterns/csharp/state/IdleState.cs
  class IdleState (line 5) | public class IdleState : IMachineState
    method SelectItem (line 7) | public void SelectItem(VendingMachine context, string itemCode)
    method InsertCoin (line 14) | public void InsertCoin(VendingMachine context, double amount)
    method DispenseItem (line 19) | public void DispenseItem(VendingMachine context)

FILE: design-patterns/csharp/state/ItemSelectedState.cs
  class ItemSelectedState (line 5) | public class ItemSelectedState : IMachineState
    method SelectItem (line 7) | public void SelectItem(VendingMachine context, string itemCode)
    method InsertCoin (line 12) | public void InsertCoin(VendingMachine context, double amount)
    method DispenseItem (line 19) | public void DispenseItem(VendingMachine context)

FILE: design-patterns/csharp/state/Program.cs
  class Program (line 5) | class Program
    method Main (line 7) | static void Main(string[] args)

FILE: design-patterns/csharp/state/VendingMachine.cs
  class VendingMachine (line 3) | public class VendingMachine
    method VendingMachine (line 9) | public VendingMachine()
    method SetState (line 14) | public void SetState(IMachineState newState)
    method SetSelectedItem (line 19) | public void SetSelectedItem(string itemCode)
    method SetInsertedAmount (line 24) | public void SetInsertedAmount(double amount)
    method GetSelectedItem (line 29) | public string GetSelectedItem()
    method GetInsertedAmount (line 34) | public double GetInsertedAmount()
    method SelectItem (line 39) | public void SelectItem(string itemCode)
    method InsertCoin (line 44) | public void InsertCoin(double amount)
    method DispenseItem (line 49) | public void DispenseItem()
    method Reset (line 54) | public void Reset()

FILE: design-patterns/csharp/strategy/DistanceBasedShipping.cs
  class DistanceBasedShipping (line 3) | public class DistanceBasedShipping : IShippingStrategy
    method CalculateCost (line 10) | public double CalculateCost(Order order)

FILE: design-patterns/csharp/strategy/FlatRateShipping.cs
  class FlatRateShipping (line 3) | public class FlatRateShipping : IShippingStrategy
    method CalculateCost (line 7) | public double CalculateCost(Order order)

FILE: design-patterns/csharp/strategy/IShippingStrategy.cs
  type IShippingStrategy (line 3) | public interface IShippingStrategy
    method CalculateCost (line 5) | double CalculateCost(Order order);

FILE: design-patterns/csharp/strategy/Order.cs
  class Order (line 3) | public class Order
    method GetTotalWeight (line 5) | public double GetTotalWeight() => 5.0;
    method GetDestinationZone (line 6) | public string GetDestinationZone() => "ZoneA";
    method GetOrderValue (line 7) | public double GetOrderValue() => 150.0;

FILE: design-patterns/csharp/strategy/Program.cs
  class Program (line 5) | class Program
    method Main (line 7) | static void Main(string[] args)

FILE: design-patterns/csharp/strategy/ShippingCostService.cs
  class ShippingCostService (line 3) | public class ShippingCostService
    method ShippingCostService (line 7) | public ShippingCostService(IShippingStrategy shippingStrategy)
    method CalculateShippingCost (line 12) | public double CalculateShippingCost(Order order)

FILE: design-patterns/csharp/strategy/ThirdPartyApiShipping.cs
  class ThirdPartyApiShipping (line 3) | public class ThirdPartyApiShipping : IShippingStrategy
    method CalculateCost (line 5) | public double CalculateCost(Order order)

FILE: design-patterns/csharp/strategy/WeightBasedShipping.cs
  class WeightBasedShipping (line 3) | public class WeightBasedShipping : IShippingStrategy
    method CalculateCost (line 7) | public double CalculateCost(Order order)

FILE: design-patterns/csharp/templatemethod/AbstractReportExporter.cs
  class AbstractReportExporter (line 5) | public abstract class AbstractReportExporter
    method ExportReport (line 7) | public void ExportReport(ReportData data, string filePath)
    method PrepareData (line 19) | protected virtual void PrepareData(ReportData data)
    method OpenFile (line 25) | protected virtual void OpenFile(string filePath)
    method WriteHeader (line 30) | protected abstract void WriteHeader(ReportData data);
    method WriteDataRows (line 32) | protected abstract void WriteDataRows(ReportData data);
    method WriteFooter (line 35) | protected virtual void WriteFooter(ReportData data)
    method CloseFile (line 41) | protected virtual void CloseFile(string filePath)

FILE: design-patterns/csharp/templatemethod/CsvReportExporter.cs
  class CsvReportExporter (line 6) | public class CsvReportExporter : AbstractReportExporter
    method WriteHeader (line 8) | protected override void WriteHeader(ReportData data)
    method WriteDataRows (line 14) | protected override void WriteDataRows(ReportData data)

FILE: design-patterns/csharp/templatemethod/ExcelReportExporter.cs
  class ExcelReportExporter (line 5) | public class ExcelReportExporter : AbstractReportExporter
    method WriteHeader (line 7) | protected override void WriteHeader(ReportData data)
    method WriteDataRows (line 16) | protected override void WriteDataRows(ReportData data)

FILE: design-patterns/csharp/templatemethod/PdfReportExporter.cs
  class PdfReportExporter (line 5) | public class PdfReportExporter : AbstractReportExporter
    method WriteHeader (line 7) | protected override void WriteHeader(ReportData data)
    method WriteDataRows (line 18) | protected override void WriteDataRows(ReportData data)

FILE: design-patterns/csharp/templatemethod/Program.cs
  class Program (line 5) | class Program
    method Main (line 7) | static void Main(string[] args)

FILE: design-patterns/csharp/templatemethod/ReportData.cs
  class ReportData (line 5) | public class ReportData
    method GetHeaders (line 7) | public List<string> GetHeaders()
    method GetRows (line 12) | public List<Dictionary<string, object>> GetRows()

FILE: design-patterns/golang/adapter/checkout_service.go
  type CheckoutService (line 6) | type CheckoutService struct
    method ProcessCheckout (line 18) | func (cs *CheckoutService) ProcessCheckout(amount float64, currency st...
  function NewCheckoutService (line 11) | func NewCheckoutService(paymentProcessor PaymentProcessor) *CheckoutServ...

FILE: design-patterns/golang/adapter/in_house_payment_processor.go
  type InHousePaymentProcessor (line 9) | type InHousePaymentProcessor struct
    method ProcessPayment (line 15) | func (p *InHousePaymentProcessor) ProcessPayment(amount float64, curre...
    method IsPaymentSuccessful (line 23) | func (p *InHousePaymentProcessor) IsPaymentSuccessful() bool {
    method GetTransactionID (line 28) | func (p *InHousePaymentProcessor) GetTransactionID() string {

FILE: design-patterns/golang/adapter/legacy_gateway.go
  type LegacyGateway (line 9) | type LegacyGateway struct
    method ExecuteTransaction (line 15) | func (lg *LegacyGateway) ExecuteTransaction(totalAmount float64, curre...
    method CheckStatus (line 23) | func (lg *LegacyGateway) CheckStatus(transactionReference int64) bool {
    method GetReferenceNumber (line 29) | func (lg *LegacyGateway) GetReferenceNumber() int64 {

FILE: design-patterns/golang/adapter/legacy_gateway_adapter.go
  type LegacyGatewayAdapter (line 6) | type LegacyGatewayAdapter struct
    method ProcessPayment (line 18) | func (adapter *LegacyGatewayAdapter) ProcessPayment(amount float64, cu...
    method IsPaymentSuccessful (line 23) | func (adapter *LegacyGatewayAdapter) IsPaymentSuccessful() bool {
    method GetTransactionID (line 28) | func (adapter *LegacyGatewayAdapter) GetTransactionID() string {
  function NewLegacyGatewayAdapter (line 11) | func NewLegacyGatewayAdapter(legacyGateway *LegacyGateway) *LegacyGatewa...

FILE: design-patterns/golang/adapter/main.go
  function main (line 8) | func main() {

FILE: design-patterns/golang/adapter/payment_processor.go
  type PaymentProcessor (line 4) | type PaymentProcessor interface

FILE: design-patterns/golang/bridge/circle.go
  type Circle (line 4) | type Circle struct
    method Draw (line 18) | func (c *Circle) Draw() {
  function NewCircle (line 10) | func NewCircle(renderer Renderer, radius float64) *Circle {

FILE: design-patterns/golang/bridge/main.go
  function main (line 8) | func main() {

FILE: design-patterns/golang/bridge/raster_renderer.go
  type RasterRenderer (line 6) | type RasterRenderer struct
    method RenderCircle (line 14) | func (r *RasterRenderer) RenderCircle(radius float64) {
    method RenderRectangle (line 19) | func (r *RasterRenderer) RenderRectangle(width, height float64) {
  function NewRasterRenderer (line 9) | func NewRasterRenderer() *RasterRenderer {

FILE: design-patterns/golang/bridge/rectangle.go
  type Rectangle (line 4) | type Rectangle struct
    method Draw (line 20) | func (r *Rectangle) Draw() {
  function NewRectangle (line 11) | func NewRectangle(renderer Renderer, width, height float64) *Rectangle {

FILE: design-patterns/golang/bridge/renderer.go
  type Renderer (line 4) | type Renderer interface

FILE: design-patterns/golang/bridge/shape.go
  type Shape (line 4) | type Shape interface
  type BaseShape (line 9) | type BaseShape struct
  function NewBaseShape (line 14) | func NewBaseShape(renderer Renderer) *BaseShape {

FILE: design-patterns/golang/bridge/vector_renderer.go
  type VectorRenderer (line 6) | type VectorRenderer struct
    method RenderCircle (line 14) | func (v *VectorRenderer) RenderCircle(radius float64) {
    method RenderRectangle (line 19) | func (v *VectorRenderer) RenderRectangle(width, height float64) {
  function NewVectorRenderer (line 9) | func NewVectorRenderer() *VectorRenderer {

FILE: design-patterns/golang/builder/http_request.go
  type HttpRequest (line 8) | type HttpRequest struct
    method GetURL (line 30) | func (r *HttpRequest) GetURL() string {
    method GetMethod (line 35) | func (r *HttpRequest) GetMethod() string {
    method GetHeaders (line 40) | func (r *HttpRequest) GetHeaders() map[string]string {
    method GetQueryParams (line 45) | func (r *HttpRequest) GetQueryParams() map[string]string {
    method GetBody (line 50) | func (r *HttpRequest) GetBody() string {
    method GetTimeout (line 55) | func (r *HttpRequest) GetTimeout() int {
    method String (line 60) | func (r *HttpRequest) String() string {
  function NewHttpRequest (line 18) | func NewHttpRequest(builder *HttpRequestBuilder) *HttpRequest {

FILE: design-patterns/golang/builder/http_request_builder.go
  type HttpRequestBuilder (line 9) | type HttpRequestBuilder struct
    method Method (line 34) | func (b *HttpRequestBuilder) Method(method string) *HttpRequestBuilder {
    method Header (line 44) | func (b *HttpRequestBuilder) Header(key, value string) *HttpRequestBui...
    method QueryParam (line 52) | func (b *HttpRequestBuilder) QueryParam(key, value string) *HttpReques...
    method Body (line 60) | func (b *HttpRequestBuilder) Body(body string) *HttpRequestBuilder {
    method Timeout (line 66) | func (b *HttpRequestBuilder) Timeout(timeoutMillis int) *HttpRequestBu...
    method Build (line 74) | func (b *HttpRequestBuilder) Build() *HttpRequest {
  function NewHttpRequestBuilder (line 19) | func NewHttpRequestBuilder(url string) (*HttpRequestBuilder, error) {

FILE: design-patterns/golang/builder/main.go
  function main (line 8) | func main() {

FILE: design-patterns/golang/chainofresponsibility/authentication_handler.go
  type AuthenticationHandler (line 6) | type AuthenticationHandler struct
    method Handle (line 11) | func (h *AuthenticationHandler) Handle(request *Request) {

FILE: design-patterns/golang/chainofresponsibility/base_handler.go
  type BaseHandler (line 4) | type BaseHandler struct
    method SetNext (line 9) | func (h *BaseHandler) SetNext(handler RequestHandler) {
    method HandleNext (line 14) | func (h *BaseHandler) HandleNext(request *Request) {

FILE: design-patterns/golang/chainofresponsibility/main.go
  function main (line 7) | func main() {

FILE: design-patterns/golang/chainofresponsibility/request.go
  type Request (line 4) | type Request struct
  function NewRequest (line 10) | func NewRequest(user, role string, requestCount int, payload string) *Re...

FILE: design-patterns/golang/chainofresponsibility/request_handler.go
  type RequestHandler (line 4) | type RequestHandler interface

FILE: design-patterns/golang/chainofresponsibility/validation_handler.go
  type ValidationHandler (line 6) | type ValidationHandler struct
    method Handle (line 11) | func (h *ValidationHandler) Handle(request *Request) {

FILE: design-patterns/golang/composite/file.go
  type File (line 6) | type File struct
    method GetName (line 20) | func (f *File) GetName() string {
    method GetSize (line 25) | func (f *File) GetSize() int64 {
    method Print (line 30) | func (f *File) Print(indent string) {
    method Delete (line 35) | func (f *File) Delete() {
  function NewFile (line 12) | func NewFile(name string, size int64) *File {

FILE: design-patterns/golang/composite/file_system_item.go
  type FileSystemItem (line 4) | type FileSystemItem interface

FILE: design-patterns/golang/composite/folder.go
  type Folder (line 6) | type Folder struct
    method GetName (line 20) | func (f *Folder) GetName() string {
    method GetSize (line 25) | func (f *Folder) GetSize() int64 {
    method Add (line 34) | func (f *Folder) Add(item FileSystemItem) {
    method Remove (line 39) | func (f *Folder) Remove(item FileSystemItem) {
    method Print (line 49) | func (f *Folder) Print(indent string) {
    method Delete (line 57) | func (f *Folder) Delete() {
  function NewFolder (line 12) | func NewFolder(name string) *Folder {

FILE: design-patterns/golang/composite/main.go
  function main (line 5) | func main() {

FILE: design-patterns/golang/decorator/beverage.go
  type Beverage (line 4) | type Beverage interface

FILE: design-patterns/golang/decorator/beverage_decorator.go
  type BeverageDecorator (line 4) | type BeverageDecorator struct
    method GetDescription (line 16) | func (d *BeverageDecorator) GetDescription() string {
    method Cost (line 21) | func (d *BeverageDecorator) Cost() float64 {
  function NewBeverageDecorator (line 9) | func NewBeverageDecorator(beverage Beverage) *BeverageDecorator {

FILE: design-patterns/golang/decorator/milk_decorator.go
  type MilkDecorator (line 4) | type MilkDecorator struct
    method GetDescription (line 16) | func (d *MilkDecorator) GetDescription() string {
    method Cost (line 21) | func (d *MilkDecorator) Cost() float64 {
  function NewMilkDecorator (line 9) | func NewMilkDecorator(beverage Beverage) *MilkDecorator {

FILE: design-patterns/golang/decorator/simple_coffee.go
  type SimpleCoffee (line 4) | type SimpleCoffee struct
    method GetDescription (line 12) | func (c *SimpleCoffee) GetDescription() string {
    method Cost (line 17) | func (c *SimpleCoffee) Cost() float64 {
  function NewSimpleCoffee (line 7) | func NewSimpleCoffee() *SimpleCoffee {

FILE: design-patterns/golang/facade/build_system.go
  type BuildSystem (line 8) | type BuildSystem struct
    method CompileProject (line 16) | func (b *BuildSystem) CompileProject() bool {
    method GetArtifactPath (line 24) | func (b *BuildSystem) GetArtifactPath() string {
  function NewBuildSystem (line 11) | func NewBuildSystem() *BuildSystem {

FILE: design-patterns/golang/facade/deployment_facade.go
  type DeploymentFacade (line 6) | type DeploymentFacade struct
    method DeployApplication (line 24) | func (f *DeploymentFacade) DeployApplication(branch, serverAddress str...
    method DeployHotfix (line 57) | func (f *DeploymentFacade) DeployHotfix(branch, serverAddress string) ...
  function NewDeploymentFacade (line 14) | func NewDeploymentFacade() *DeploymentFacade {

FILE: design-patterns/golang/facade/deployment_target.go
  type DeploymentTarget (line 8) | type DeploymentTarget struct
    method TransferArtifact (line 16) | func (d *DeploymentTarget) TransferArtifact(artifactPath, serverAddres...
    method ActivateNewVersion (line 23) | func (d *DeploymentTarget) ActivateNewVersion(serverAddress string) {
  function NewDeploymentTarget (line 11) | func NewDeploymentTarget() *DeploymentTarget {

FILE: design-patterns/golang/facade/main.go
  function main (line 5) | func main() {

FILE: design-patterns/golang/factory/email_notification.go
  type EmailNotification (line 6) | type EmailNotification struct
    method Send (line 14) | func (e *EmailNotification) Send(message string) {
  function NewEmailNotification (line 9) | func NewEmailNotification() *EmailNotification {

FILE: design-patterns/golang/factory/main.go
  function main (line 5) | func main() {

FILE: design-patterns/golang/factory/notification.go
  type Notification (line 4) | type Notification interface

FILE: design-patterns/golang/factory/simple_notification_factory.go
  type SimpleNotificationFactory (line 4) | type SimpleNotificationFactory struct
    method CreateNotification (line 12) | func (f *SimpleNotificationFactory) CreateNotification(notificationTyp...
  function NewSimpleNotificationFactory (line 7) | func NewSimpleNotificationFactory() *SimpleNotificationFactory {

FILE: design-patterns/golang/factory/sms_notification.go
  type SMSNotification (line 6) | type SMSNotification struct
    method Send (line 14) | func (s *SMSNotification) Send(message string) {
  function NewSMSNotification (line 9) | func NewSMSNotification() *SMSNotification {

FILE: design-patterns/golang/flyweight/character_flyweight.go
  type CharacterFlyweight (line 4) | type CharacterFlyweight interface

FILE: design-patterns/golang/flyweight/character_flyweight_factory.go
  type CharacterFlyweightFactory (line 6) | type CharacterFlyweightFactory struct
    method GetFlyweight (line 18) | func (f *CharacterFlyweightFactory) GetFlyweight(symbol rune, fontFami...
    method GetFlyweightCount (line 27) | func (f *CharacterFlyweightFactory) GetFlyweightCount() int {
  function NewCharacterFlyweightFactory (line 11) | func NewCharacterFlyweightFactory() *CharacterFlyweightFactory {

FILE: design-patterns/golang/flyweight/character_glyph.go
  type CharacterGlyph (line 6) | type CharacterGlyph struct
    method Draw (line 24) | func (g *CharacterGlyph) Draw(x, y int) {
  function NewCharacterGlyph (line 14) | func NewCharacterGlyph(symbol rune, fontFamily string, fontSize int, col...

FILE: design-patterns/golang/flyweight/main.go
  function main (line 5) | func main() {

FILE: design-patterns/golang/flyweight/text_editor_client.go
  type TextEditorClient (line 4) | type TextEditorClient struct
    method RenderText (line 16) | func (c *TextEditorClient) RenderText(text string, x, y int, fontFamil...
    method GetUniqueCharacterCount (line 24) | func (c *TextEditorClient) GetUniqueCharacterCount() int {
  function NewTextEditorClient (line 9) | func NewTextEditorClient() *TextEditorClient {

FILE: design-patterns/golang/iterator/book.go
  type Book (line 4) | type Book struct
  function NewBook (line 10) | func NewBook(title, author string) *Book {

FILE: design-patterns/golang/iterator/book_collection.go
  type BookCollection (line 4) | type BookCollection struct
    method AddBook (line 16) | func (bc *BookCollection) AddBook(book *Book) {
    method CreateIterator (line 21) | func (bc *BookCollection) CreateIterator() Iterator {
  function NewBookCollection (line 9) | func NewBookCollection() *BookCollection {
  type BookIterator (line 26) | type BookIterator struct
    method HasNext (line 40) | func (bi *BookIterator) HasNext() bool {
    method Next (line 45) | func (bi *BookIterator) Next() interface{} {
  function NewBookIterator (line 32) | func NewBookIterator(collection *BookCollection) *BookIterator {

FILE: design-patterns/golang/iterator/collection.go
  type Collection (line 4) | type Collection interface

FILE: design-patterns/golang/iterator/iterator.go
  type Iterator (line 4) | type Iterator interface

FILE: design-patterns/golang/iterator/main.go
  function main (line 5) | func main() {

FILE: design-patterns/golang/mediator/chat_mediator.go
  type ChatMediator (line 4) | type ChatMediator struct
    method AddUser (line 14) | func (m *ChatMediator) AddUser(user Colleague) {
    method SendMessage (line 20) | func (m *ChatMediator) SendMessage(message string, sender Colleague) {
  function NewChatMediator (line 9) | func NewChatMediator() *ChatMediator {

FILE: design-patterns/golang/mediator/colleague.go
  type Colleague (line 4) | type Colleague interface

FILE: design-patterns/golang/mediator/main.go
  function main (line 3) | func main() {

FILE: design-patterns/golang/mediator/mediator.go
  type Mediator (line 4) | type Mediator interface

FILE: design-patterns/golang/mediator/user.go
  type User (line 6) | type User struct
    method SetMediator (line 16) | func (u *User) SetMediator(mediator Mediator) {
    method GetName (line 20) | func (u *User) GetName() string {
    method ReceiveMessage (line 24) | func (u *User) ReceiveMessage(message string) {
    method SendMessage (line 29) | func (u *User) SendMessage(message string) {
  function NewUser (line 12) | func NewUser(name string) *User {

FILE: design-patterns/golang/memento/main.go
  function main (line 5) | func main() {

FILE: design-patterns/golang/memento/text_editor.go
  type TextEditor (line 6) | type TextEditor struct
    method Type (line 16) | func (e *TextEditor) Type(words string) {
    method GetContent (line 22) | func (e *TextEditor) GetContent() string {
    method Save (line 27) | func (e *TextEditor) Save() *TextEditorMemento {
    method Restore (line 33) | func (e *TextEditor) Restore(memento *TextEditorMemento) {
  function NewTextEditor (line 11) | func NewTextEditor() *TextEditor {

FILE: design-patterns/golang/memento/text_editor_memento.go
  type TextEditorMemento (line 4) | type TextEditorMemento struct
  function NewTextEditorMemento (line 9) | func NewTextEditorMemento(state string) *TextEditorMemento {

FILE: design-patterns/golang/memento/text_editor_undo_manager.go
  type TextEditorUndoManager (line 6) | type TextEditorUndoManager struct
    method Save (line 16) | func (m *TextEditorUndoManager) Save(editor *TextEditor) {
    method Undo (line 21) | func (m *TextEditorUndoManager) Undo(editor *TextEditor) {
  function NewTextEditorUndoManager (line 11) | func NewTextEditorUndoManager() *TextEditorUndoManager {

FILE: design-patterns/golang/observer/fitness_data.go
  type FitnessData (line 4) | type FitnessData struct
    method RegisterObserver (line 18) | func (f *FitnessData) RegisterObserver(observer FitnessDataObserver) {
    method RemoveObserver (line 22) | func (f *FitnessData) RemoveObserver(observer FitnessDataObserver) {
    method NotifyObservers (line 31) | func (f *FitnessData) NotifyObservers() {
    method SetMeasurements (line 38) | func (f *FitnessData) SetMeasurements(steps int, calories int, distanc...
  function NewFitnessData (line 12) | func NewFitnessData() *FitnessData {

FILE: design-patterns/golang/observer/fitness_data_observer.go
  type FitnessDataObserver (line 4) | type FitnessDataObserver interface

FILE: design-patterns/golang/observer/fitness_data_subject.go
  type FitnessDataSubject (line 4) | type FitnessDataSubject interface

FILE: design-patterns/golang/observer/goal_notifier.go
  type GoalNotifier (line 6) | type GoalNotifier struct
    method Update (line 14) | func (g *GoalNotifier) Update(steps int, calories int, distance float6...
  function NewGoalNotifier (line 10) | func NewGoalNotifier(goalSteps int) *GoalNotifier {

FILE: design-patterns/golang/observer/live_activity_display.go
  type LiveActivityDisplay (line 6) | type LiveActivityDisplay struct
    method Update (line 12) | func (l *LiveActivityDisplay) Update(steps int, calories int, distance...
  function NewLiveActivityDisplay (line 8) | func NewLiveActivityDisplay() *LiveActivityDisplay {

FILE: design-patterns/golang/observer/main.go
  function main (line 3) | func main() {

FILE: design-patterns/golang/observer/progress_logger.go
  type ProgressLogger (line 6) | type ProgressLogger struct
    method Update (line 12) | func (p *ProgressLogger) Update(steps int, calories int, distance floa...
  function NewProgressLogger (line 8) | func NewProgressLogger() *ProgressLogger {

FILE: design-patterns/golang/prototype/enemy.go
  type Enemy (line 6) | type Enemy struct
    method Clone (line 26) | func (e *Enemy) Clone() EnemyPrototype {
    method SetHealth (line 31) | func (e *Enemy) SetHealth(health int) {
    method PrintStats (line 36) | func (e *Enemy) PrintStats() {
  function NewEnemy (line 15) | func NewEnemy(type_ string, health int, speed float64, armored bool, wea...

FILE: design-patterns/golang/prototype/enemy_prototype.go
  type EnemyPrototype (line 4) | type EnemyPrototype interface

FILE: design-patterns/golang/prototype/enemy_registry.go
  type EnemyRegistry (line 4) | type EnemyRegistry struct
    method Register (line 16) | func (r *EnemyRegistry) Register(key string, prototype *Enemy) {
    method Get (line 21) | func (r *EnemyRegistry) Get(key string) *Enemy {
  function NewEnemyRegistry (line 9) | func NewEnemyRegistry() *EnemyRegistry {

FILE: design-patterns/golang/prototype/main.go
  function main (line 3) | func main() {

FILE: design-patterns/golang/proxy/high_resolution_image.go
  type HighResolutionImage (line 9) | type HighResolutionImage struct
    method loadImageFromDisk (line 21) | func (i *HighResolutionImage) loadImageFromDisk() {
    method Display (line 29) | func (i *HighResolutionImage) Display() {
    method GetFileName (line 34) | func (i *HighResolutionImage) GetFileName() string {
  function NewHighResolutionImage (line 15) | func NewHighResolutionImage(fileName string) *HighResolutionImage {

FILE: design-patterns/golang/proxy/image.go
  type Image (line 4) | type Image interface

FILE: design-patterns/golang/proxy/image_proxy.go
  type ImageProxy (line 6) | type ImageProxy struct
    method GetFileName (line 17) | func (p *ImageProxy) GetFileName() string {
    method Display (line 22) | func (p *ImageProxy) Display() {
  function NewImageProxy (line 12) | func NewImageProxy(fileName string) *ImageProxy {

FILE: design-patterns/golang/proxy/main.go
  function main (line 5) | func main() {

FILE: design-patterns/golang/singleton/double_checked_singleton.go
  type DoubleCheckedSingleton (line 6) | type DoubleCheckedSingleton struct
  function GetDoubleCheckedInstance (line 14) | func GetDoubleCheckedInstance() *DoubleCheckedSingleton {

FILE: design-patterns/golang/singleton/eager_singleton.go
  type EagerSingleton (line 4) | type EagerSingleton struct
  function GetInstance (line 10) | func GetInstance() *EagerSingleton {

FILE: design-patterns/golang/singleton/lazy_singleton.go
  type LazySingleton (line 6) | type LazySingleton struct
  function GetInstance (line 14) | func GetInstance() *LazySingleton {

FILE: design-patterns/golang/singleton/thread_safe_singleton.go
  type ThreadSafeSingleton (line 6) | type ThreadSafeSingleton struct
  function GetThreadSafeInstance (line 14) | func GetThreadSafeInstance() *ThreadSafeSingleton {

FILE: design-patterns/golang/state/has_money_state.go
  type HasMoneyState (line 6) | type HasMoneyState struct
    method SelectItem (line 8) | func (s *HasMoneyState) SelectItem(context *VendingMachine, item strin...
    method InsertCoin (line 12) | func (s *HasMoneyState) InsertCoin(context *VendingMachine, amount flo...
    method DispenseItem (line 16) | func (s *HasMoneyState) DispenseItem(context *VendingMachine) {

FILE: design-patterns/golang/state/idle_state.go
  type IdleState (line 6) | type IdleState struct
    method SelectItem (line 8) | func (s *IdleState) SelectItem(context *VendingMachine, item string) {
    method InsertCoin (line 14) | func (s *IdleState) InsertCoin(context *VendingMachine, amount float64) {
    method DispenseItem (line 18) | func (s *IdleState) DispenseItem(context *VendingMachine) {

FILE: design-patterns/golang/state/item_selected_state.go
  type ItemSelectedState (line 6) | type ItemSelectedState struct
    method SelectItem (line 8) | func (s *ItemSelectedState) SelectItem(context *VendingMachine, item s...
    method InsertCoin (line 12) | func (s *ItemSelectedState) InsertCoin(context *VendingMachine, amount...
    method DispenseItem (line 18) | func (s *ItemSelectedState) DispenseItem(context *VendingMachine) {

FILE: design-patterns/golang/state/machine_state.go
  type MachineState (line 4) | type MachineState interface

FILE: design-patterns/golang/state/main.go
  function main (line 3) | func main() {

FILE: design-patterns/golang/state/vending_machine.go
  type VendingMachine (line 6) | type VendingMachine struct
    method SetState (line 18) | func (vm *VendingMachine) SetState(state MachineState) {
    method SetSelectedItem (line 22) | func (vm *VendingMachine) SetSelectedItem(item string) {
    method SetInsertedAmount (line 26) | func (vm *VendingMachine) SetInsertedAmount(amount float64) {
    method GetSelectedItem (line 30) | func (vm *VendingMachine) GetSelectedItem() string {
    method GetInsertedAmount (line 34) | func (vm *VendingMachine) GetInsertedAmount() float64 {
    method SelectItem (line 38) | func (vm *VendingMachine) SelectItem(item string) {
    method InsertCoin (line 42) | func (vm *VendingMachine) InsertCoin(amount float64) {
    method DispenseItem (line 46) | func (vm *VendingMachine) DispenseItem() {
    method Reset (line 50) | func (vm *VendingMachine) Reset() {
  function NewVendingMachine (line 12) | func NewVendingMachine() *VendingMachine {

FILE: design-patterns/golang/strategy/credit_card_payment.go
  type CreditCardPayment (line 6) | type CreditCardPayment struct
    method Pay (line 24) | func (c *CreditCardPayment) Pay(amount float64) string {
  function NewCreditCardPayment (line 14) | func NewCreditCardPayment(cardNumber, name, cvv, dateOfExp string) *Cred...

FILE: design-patterns/golang/strategy/main.go
  function main (line 3) | func main() {

FILE: design-patterns/golang/strategy/payment_strategy.go
  type PaymentStrategy (line 4) | type PaymentStrategy interface

FILE: design-patterns/golang/strategy/paypal_payment.go
  type PayPalPayment (line 6) | type PayPalPayment struct
    method Pay (line 16) | func (p *PayPalPayment) Pay(amount float64) string {
  function NewPayPalPayment (line 11) | func NewPayPalPayment(email string) *PayPalPayment {

FILE: design-patterns/golang/strategy/shopping_cart.go
  type ShoppingCart (line 6) | type ShoppingCart struct
    method SetPaymentStrategy (line 15) | func (c *ShoppingCart) SetPaymentStrategy(strategy PaymentStrategy) {
    method Checkout (line 19) | func (c *ShoppingCart) Checkout() {
  function NewShoppingCart (line 11) | func NewShoppingCart(amount float64) *ShoppingCart {

FILE: design-patterns/golang/templatemethod/csv_data_processor.go
  type CSVDataProcessor (line 5) | type CSVDataProcessor struct
    method ReadData (line 7) | func (c *CSVDataProcessor) ReadData() {
    method ProcessData (line 11) | func (c *CSVDataProcessor) ProcessData() {
    method SaveData (line 15) | func (c *CSVDataProcessor) SaveData() {

FILE: design-patterns/golang/templatemethod/data_processor.go
  type DataProcessor (line 8) | type DataProcessor interface
  type BaseDataProcessor (line 14) | type BaseDataProcessor struct
    method Process (line 18) | func (b *BaseDataProcessor) Process() {

FILE: design-patterns/golang/templatemethod/main.go
  function main (line 3) | func main() {

FILE: design-patterns/golang/templatemethod/xml_data_processor.go
  type XMLDataProcessor (line 5) | type XMLDataProcessor struct
    method ReadData (line 7) | func (x *XMLDataProcessor) ReadData() {
    method ProcessData (line 11) | func (x *XMLDataProcessor) ProcessData() {
    method SaveData (line 15) | func (x *XMLDataProcessor) SaveData() {

FILE: design-patterns/java/abstractfactory/AppLauncher.java
  class AppLauncher (line 1) | public class AppLauncher {
    method main (line 2) | public static void main(String[] args) {

FILE: design-patterns/java/abstractfactory/Application.java
  class Application (line 1) | public class Application {
    method Application (line 5) | public Application(GUIFactory factory) {
    method renderUI (line 10) | public void renderUI() {

FILE: design-patterns/java/abstractfactory/Button.java
  type Button (line 1) | public interface Button {
    method paint (line 2) | void paint();
    method onClick (line 3) | void onClick();

FILE: design-patterns/java/abstractfactory/Checkbox.java
  type Checkbox (line 1) | public interface Checkbox {
    method paint (line 2) | void paint();
    method onSelect (line 3) | void onSelect();

FILE: design-patterns/java/abstractfactory/GUIFactory.java
  type GUIFactory (line 1) | public interface GUIFactory {
    method createButton (line 2) | Button createButton();
    method createCheckbox (line 3) | Checkbox createCheckbox();

FILE: design-patterns/java/abstractfactory/MacOSButton.java
  class MacOSButton (line 1) | public class MacOSButton implements Button {
    method paint (line 2) | @Override
    method onClick (line 7) | @Override

FILE: design-patterns/java/abstractfactory/MacOSCheckbox.java
  class MacOSCheckbox (line 1) | public class MacOSCheckbox implements Checkbox {
    method paint (line 2) | @Override
    method onSelect (line 7) | @Override

FILE: design-patterns/java/abstractfactory/MacOSFactory.java
  class MacOSFactory (line 1) | public class MacOSFactory implements GUIFactory {
    method createButton (line 2) | @Override
    method createCheckbox (line 7) | @Override

FILE: design-patterns/java/abstractfactory/WindowsButton.java
  class WindowsButton (line 1) | public class WindowsButton implements Button {
    method paint (line 2) | @Override
    method onClick (line 7) | @Override

FILE: design-patterns/java/abstractfactory/WindowsCheckbox.java
  class WindowsCheckbox (line 1) | public class WindowsCheckbox implements Checkbox {
    method paint (line 2) | @Override
    method onSelect (line 7) | @Override

FILE: design-patterns/java/abstractfactory/WindowsFactory.java
  class WindowsFactory (line 1) | public class WindowsFactory implements GUIFactory {
    method createButton (line 2) | @Override
    method createCheckbox (line 7) | @Override

FILE: design-patterns/java/abstractfactory/shoefactory/BumpySole.java
  class BumpySole (line 1) | public class BumpySole implements Sole {
    method soleBuild (line 3) | @Override
    method soleMaterial (line 8) | @Override

FILE: design-patterns/java/abstractfactory/shoefactory/CasualShoeFactory.java
  class CasualShoeFactory (line 1) | public class CasualShoeFactory implements ShoeFactory {
    method createShoeSole (line 3) | @Override
    method createShoeLace (line 8) | @Override

FILE: design-patterns/java/abstractfactory/shoefactory/FlatSole.java
  class FlatSole (line 1) | public class FlatSole implements Sole {
    method soleBuild (line 3) | @Override
    method soleMaterial (line 8) | @Override

FILE: design-patterns/java/abstractfactory/shoefactory/FormalShoeFactory.java
  class FormalShoeFactory (line 1) | public class FormalShoeFactory implements ShoeFactory {
    method createShoeSole (line 3) | @Override
    method createShoeLace (line 8) | @Override

FILE: design-patterns/java/abstractfactory/shoefactory/RoundShoeLace.java
  class RoundShoeLace (line 1) | public class RoundShoeLace implements ShoeLace {
    method shoeLaceBuild (line 3) | @Override
    method shoeLaceMaterial (line 8) | @Override

FILE: design-patterns/java/abstractfactory/shoefactory/Shoe.java
  class Shoe (line 1) | public class Shoe {
    method Shoe (line 5) | public Shoe(Sole sole, ShoeLace shoeLace){
    method displayBuildShoe (line 10) | public void displayBuildShoe()

FILE: design-patterns/java/abstractfactory/shoefactory/ShoeFactory.java
  type ShoeFactory (line 1) | public interface ShoeFactory {
    method createShoeSole (line 2) | public Sole createShoeSole();
    method createShoeLace (line 3) | public ShoeLace createShoeLace();

FILE: design-patterns/java/abstractfactory/shoefactory/ShoeLace.java
  type ShoeLace (line 1) | public interface ShoeLace {
    method shoeLaceBuild (line 3) | public String shoeLaceBuild();
    method shoeLaceMaterial (line 4) | public String shoeLaceMaterial();

FILE: design-patterns/java/abstractfactory/shoefactory/ShoeManufacture.java
  class ShoeManufacture (line 1) | public class ShoeManufacture {
    method produceShoe (line 4) | public static Shoe produceShoe(String shoeType)
    method main (line 20) | public static void main(String[] args) {

FILE: design-patterns/java/abstractfactory/shoefactory/Sole.java
  type Sole (line 1) | public interface Sole {
    method soleBuild (line 3) | public String soleBuild();
    method soleMaterial (line 4) | public String soleMaterial();

FILE: design-patterns/java/abstractfactory/shoefactory/SportsShoeFactory.java
  class SportsShoeFactory (line 1) | public class SportsShoeFactory implements ShoeFactory {
    method createShoeSole (line 3) | @Override
    method createShoeLace (line 8) | @Override

FILE: design-patterns/java/abstractfactory/shoefactory/TapeShoeLace.java
  class TapeShoeLace (line 1) | public class TapeShoeLace implements ShoeLace{
    method shoeLaceBuild (line 3) | @Override
    method shoeLaceMaterial (line 8) | @Override

FILE: design-patterns/java/abstractfactory/shoefactory/ThinSole.java
  class ThinSole (line 1) | public class ThinSole implements Sole {
    method soleBuild (line 3) | @Override
    method soleMaterial (line 8) | @Override

FILE: design-patterns/java/adapter/CheckoutService.java
  class CheckoutService (line 1) | public class CheckoutService {
    method CheckoutService (line 4) | public CheckoutService(PaymentProcessor paymentProcessor) {
    method checkout (line 8) | public void checkout(double amount, String currency) {

FILE: design-patterns/java/adapter/ECommerceAppV1.java
  class ECommerceAppV1 (line 1) | public class ECommerceAppV1 {
    method main (line 2) | public static void main(String[] args) {

FILE: design-patterns/java/adapter/ECommerceAppV2.java
  class ECommerceAppV2 (line 1) | public class ECommerceAppV2 {
    method main (line 2) | public static void main(String[] args) {

FILE: design-patterns/java/adapter/InHousePaymentProcessor.java
  class InHousePaymentProcessor (line 1) | public class InHousePaymentProcessor implements PaymentProcessor {
    method processPayment (line 5) | @Override
    method isPaymentSuccessful (line 14) | @Override
    method getTransactionId (line 19) | @Override

FILE: design-patterns/java/adapter/LegacyGateway.java
  class LegacyGateway (line 1) | public class LegacyGateway {
    method executeTransaction (line 5) | public void executeTransaction(double totalAmount, String currency) {
    method checkStatus (line 12) | public boolean checkStatus(long transactionReference) {
    method getReferenceNumber (line 17) | public long getReferenceNumber() {

FILE: design-patterns/java/adapter/LegacyGatewayAdapter.java
  class LegacyGatewayAdapter (line 1) | public class LegacyGatewayAdapter implements PaymentProcessor {
    method LegacyGatewayAdapter (line 4) | public LegacyGatewayAdapter(LegacyGateway legacyGateway) {
    method processPayment (line 8) | @Override
    method isPaymentSuccessful (line 15) | @Override
    method getTransactionId (line 20) | @Override

FILE: design-patterns/java/adapter/PaymentProcessor.java
  type PaymentProcessor (line 1) | public interface PaymentProcessor {
    method processPayment (line 2) | void processPayment(double amount, String currency);
    method isPaymentSuccessful (line 3) | boolean isPaymentSuccessful();
    method getTransactionId (line 4) | String getTransactionId();

FILE: design-patterns/java/bridge/BridgeDemo.java
  class BridgeDemo (line 1) | public class BridgeDemo {
    method main (line 2) | public static void main(String[] args) {

FILE: design-patterns/java/bridge/Circle.java
  class Circle (line 1) | public class Circle extends Shape {
    method Circle (line 4) | public Circle(Renderer renderer, float radius) {
    method draw (line 9) | @Override

FILE: design-patterns/java/bridge/RasterRenderer.java
  class RasterRenderer (line 1) | public class RasterRenderer implements Renderer {
    method renderCircle (line 2) | @Override
    method renderRectangle (line 7) | @Override

FILE: design-patterns/java/bridge/Rectangle.java
  class Rectangle (line 1) | public class Rectangle extends Shape {
    method Rectangle (line 5) | public Rectangle(Renderer renderer, float width, float height) {
    method draw (line 11) | @Override

FILE: design-patterns/java/bridge/Renderer.java
  type Renderer (line 1) | public interface Renderer {
    method renderCircle (line 2) | void renderCircle(float radius);
    method renderRectangle (line 3) | void renderRectangle(float width, float height);

FILE: design-patterns/java/bridge/Shape.java
  class Shape (line 1) | public abstract class Shape {
    method Shape (line 4) | public Shape(Renderer renderer) {
    method draw (line 8) | public abstract void draw();

FILE: design-patterns/java/bridge/VectorRenderer.java
  class VectorRenderer (line 1) | public class VectorRenderer implements Renderer {
    method renderCircle (line 2) | @Override
    method renderRectangle (line 7) | @Override

FILE: design-patterns/java/builder/HttpAppBuilder.java
  class HttpAppBuilder (line 1) | public class HttpAppBuilder {
    method main (line 2) | public static void main(String[] args) {

FILE: design-patterns/java/builder/HttpAppTelescoping.java
  class HttpAppTelescoping (line 1) | public class HttpAppTelescoping {
    method main (line 2) | public static void main(String[] args) {

FILE: design-patterns/java/builder/HttpRequest.java
  class HttpRequest (line 5) | public class HttpRequest {
    method HttpRequest (line 14) | private HttpRequest(Builder builder) {
    method getUrl (line 24) | public String getUrl() { return url; }
    method getMethod (line 25) | public String getMethod() { return method; }
    method getHeaders (line 26) | public Map<String, String> getHeaders() { return headers; }
    method getQueryParams (line 27) | public Map<String, String> getQueryParams() { return queryParams; }
    method getBody (line 28) | public String getBody() { return body; }
    method getTimeout (line 29) | public int getTimeout() { return timeout; }
    method toString (line 31) | @Override
    class Builder (line 44) | public static class Builder {
      method Builder (line 56) | public Builder(String url) {
      method method (line 64) | public Builder method(String method) {
      method header (line 69) | public Builder header(String key, String value) {
      method queryParam (line 76) | public Builder queryParam(String key, String value) {
      method body (line 83) | public Builder body(String body) {
      method timeout (line 88) | public Builder timeout(int timeoutMillis) {
      method build (line 96) | public HttpRequest build() {

FILE: design-patterns/java/builder/HttpRequestTelescoping.java
  class HttpRequestTelescoping (line 5) | public class HttpRequestTelescoping {
    method HttpRequestTelescoping (line 13) | public HttpRequestTelescoping(String url) {
    method HttpRequestTelescoping (line 16) | public HttpRequestTelescoping(String url, String method) {
    method HttpRequestTelescoping (line 19) | public HttpRequestTelescoping(String url, String method, Map<String, S...
    method HttpRequestTelescoping (line 22) | public HttpRequestTelescoping(String url, String method, Map<String, S...
    method HttpRequestTelescoping (line 25) | public HttpRequestTelescoping(String url, String method, Map<String, S...
    method HttpRequestTelescoping (line 28) | public HttpRequestTelescoping(String url, String method, Map<String, S...

FILE: design-patterns/java/chainofresponsibility/AuthHandler.java
  class AuthHandler (line 1) | public class AuthHandler extends BaseHandler {
    method handle (line 2) | @Override

FILE: design-patterns/java/chainofresponsibility/AuthorizationHandler.java
  class AuthorizationHandler (line 1) | public class AuthorizationHandler extends BaseHandler {
    method handle (line 2) | @Override

FILE: design-patterns/java/chainofresponsibility/BaseHandler.java
  class BaseHandler (line 1) | public abstract class BaseHandler implements RequestHandler {
    method setNext (line 4) | @Override
    method forward (line 9) | protected void forward(Request request) {

FILE: design-patterns/java/chainofresponsibility/BusinessLogicHandler.java
  class BusinessLogicHandler (line 1) | public class BusinessLogicHandler extends BaseHandler {
    method handle (line 2) | @Override

FILE: design-patterns/java/chainofresponsibility/RateLimitHandler.java
  class RateLimitHandler (line 1) | public class RateLimitHandler extends BaseHandler {
    method handle (line 2) | @Override

FILE: design-patterns/java/chainofresponsibility/Request.java
  class Request (line 1) | public class Request {
    method Request (line 7) | public Request(String user, String role, int requestCount, String payl...

FILE: design-patterns/java/chainofresponsibility/RequestHandler.java
  type RequestHandler (line 1) | public interface RequestHandler {
    method setNext (line 2) | void setNext(RequestHandler next);
    method handle (line 3) | void handle(Request request);

FILE: design-patterns/java/chainofresponsibility/RequestHandlerV1.java
  class RequestHandlerV1 (line 1) | public class RequestHandlerV1 {
    method handle (line 2) | public void handle(Request request) {
    method authenticate (line 27) | private boolean authenticate(Request req) {
    method authorize (line 31) | private boolean authorize(Request req) {
    method rateLimit (line 35) | private boolean rateLimit(Request req) {
    method validate (line 39) | private boolean validate(Request req) {

FILE: design-patterns/java/chainofresponsibility/RequestHandlerV2.java
  class RequestHandlerV2 (line 1) | public class RequestHandlerV2 {
    method main (line 2) | public static void main(String[] args) {

FILE: design-patterns/java/chainofresponsibility/ValidationHandler.java
  class ValidationHandler (line 1) | public class ValidationHandler extends BaseHandler {
    method handle (line 2) | @Override

FILE: design-patterns/java/command/Command.java
  type Command (line 1) | interface Command {
    method execute (line 2) | void execute();
    method undo (line 3) | void undo();

FILE: design-patterns/java/command/CommandPatternDemo.java
  class CommandPatternDemo (line 1) | public class CommandPatternDemo {
    method main (line 2) | public static void main(String[] args) {

FILE: design-patterns/java/command/Light.java
  class Light (line 1) | public class Light {
    method on (line 2) | public void on() {
    method off (line 6) | public void off() {

FILE: design-patterns/java/command/LightOffCommand.java
  class LightOffCommand (line 1) | public class LightOffCommand implements Command {
    method LightOffCommand (line 4) | public LightOffCommand(Light light) {
    method execute (line 8) | @Override
    method undo (line 13) | @Override

FILE: design-patterns/java/command/LightOnCommand.java
  class LightOnCommand (line 1) | public class LightOnCommand implements Command {
    method LightOnCommand (line 4) | public LightOnCommand(Light light) {
    method execute (line 8) | @Override
    method undo (line 13) | @Override

FILE: design-patterns/java/command/SetTemperatureCommand.java
  class SetTemperatureCommand (line 1) | public class SetTemperatureCommand implements Command {
    method SetTemperatureCommand (line 6) | public SetTemperatureCommand(Thermostat thermostat, int temperature) {
    method execute (line 11) | @Override
    method undo (line 17) | @Override

FILE: design-patterns/java/command/SmartButton.java
  class SmartButton (line 3) | public class SmartButton {
    method setCommand (line 7) | public void setCommand(Command command) {
    method press (line 11) | public void press() {
    method undoLast (line 20) | public void undoLast() {

FILE: design-patterns/java/command/Thermostat.java
  class Thermostat (line 1) | public class Thermostat {
    method setTemperature (line 4) | public void setTemperature(int temp) {
    method getCurrentTemperature (line 9) | public int getCurrentTemperature() {

FILE: design-patterns/java/composite/filesystem/File.java
  class File (line 1) | public class File implements FileSystemItem {
    method File (line 5) | public File(String name, int size) {
    method getSize (line 10) | @Override
    method printStructure (line 15) | @Override
    method delete (line 20) | @Override

FILE: design-patterns/java/composite/filesystem/FileExplorerApp.java
  class FileExplorerApp (line 1) | public class FileExplorerApp {
    method main (line 2) | public static void main(String[] args) {

FILE: design-patterns/java/composite/filesystem/FileSystemItem.java
  type FileSystemItem (line 1) | public interface FileSystemItem {
    method getSize (line 2) | int getSize();
    method printStructure (line 3) | void printStructure(String indent);
    method delete (line 4) | void delete();

FILE: design-patterns/java/composite/filesystem/Folder.java
  class Folder (line 4) | public class Folder implements FileSystemItem {
    method Folder (line 8) | public Folder(String name) {
    method addItem (line 12) | public void addItem(FileSystemItem item) {
    method getSize (line 16) | @Override
    method printStructure (line 25) | @Override
    method delete (line 33) | @Override

FILE: design-patterns/java/composite/organization/CompositeDemo.java
  class CompositeDemo (line 1) | public class CompositeDemo {
    method main (line 2) | public static void main(String[] args) {

FILE: design-patterns/java/composite/organization/Designer.java
  class Designer (line 1) | class Designer implements Employee {
    method Designer (line 5) | public Designer(String name, double salary) {
    method showDetails (line 10) | @Override
    method getSalary (line 15) | @Override

FILE: design-patterns/java/composite/organization/Developer.java
  class Developer (line 1) | class Developer implements Employee {
    method Developer (line 5) | public Developer(String name, double salary) {
    method showDetails (line 10) | @Override
    method getSalary (line 15) | @Override

FILE: design-patterns/java/composite/organization/Employee.java
  type Employee (line 1) | interface Employee {
    method showDetails (line 2) | void showDetails();
    method getSalary (line 3) | double getSalary();

FILE: design-patterns/java/composite/organization/Manager.java
  class Manager (line 4) | class Manager implements Employee {
    method Manager (line 9) | public Manager(String name, double salary) {
    method addEmployee (line 14) | public void addEmployee(Employee employee) {
    method removeEmployee (line 18) | public void removeEmployee(Employee employee) {
    method showDetails (line 22) | @Override
    method getSalary (line 31) | @Override

FILE: design-patterns/java/decorator/BoldDecorator.java
  class BoldDecorator (line 1) | public class BoldDecorator extends TextDecorator {
    method BoldDecorator (line 2) | public BoldDecorator(TextView inner) {
    method render (line 6) | @Override

FILE: design-patterns/java/decorator/DecoratorDemo.java
  class DecoratorDemo (line 1) | public class DecoratorDemo {
    method main (line 2) | public static void main(String[] args) {

FILE: design-patterns/java/decorator/ItalicDecorator.java
  class ItalicDecorator (line 1) | public class ItalicDecorator extends TextDecorator {
    method ItalicDecorator (line 2) | public ItalicDecorator(TextView inner) {
    method render (line 6) | @Override

FILE: design-patterns/java/decorator/PlainTextView.java
  class PlainTextView (line 1) | public class PlainTextView implements TextView {
    method PlainTextView (line 4) | public PlainTextView(String text) {
    method render (line 8) | @Override

FILE: design-patterns/java/decorator/TextDecorator.java
  class TextDecorator (line 1) | public abstract class TextDecorator implements TextView {
    method TextDecorator (line 4) | public TextDecorator(TextView inner) {

FILE: design-patterns/java/decorator/TextView.java
  type TextView (line 1) | public interface TextView {
    method render (line 2) | void render();

FILE: design-patterns/java/decorator/UnderlineDecorator.java
  class UnderlineDecorator (line 1) | public class UnderlineDecorator extends TextDecorator {
    method UnderlineDecorator (line 2) | public UnderlineDecorator(TextView inner) {
    method render (line 6) | @Override

FILE: design-patterns/java/decorator/coffee/Coffee.java
  type Coffee (line 1) | interface Coffee {
    method getCost (line 2) | double getCost();
    method getDescription (line 3) | String getDescription();

FILE: design-patterns/java/decorator/coffee/CoffeeDecorator.java
  class CoffeeDecorator (line 1) | abstract class CoffeeDecorator implements Coffee {
    method CoffeeDecorator (line 4) | public CoffeeDecorator(Coffee coffee) {
    method getCost (line 8) | public double getCost() {
    method getDescription (line 12) | public String getDescription() {

FILE: design-patterns/java/decorator/coffee/DecoratorDemo.java
  class DecoratorDemo (line 1) | public class DecoratorDemo {
    method main (line 2) | public static void main(String[] args) {

FILE: design-patterns/java/decorator/coffee/Milk.java
  class Milk (line 1) | class Milk extends CoffeeDecorator {
    method Milk (line 2) | public Milk(Coffee coffee) {
    method getCost (line 6) | @Override
    method getDescription (line 11) | @Override

FILE: design-patterns/java/decorator/coffee/SimpleCoffee.java
  class SimpleCoffee (line 1) | class SimpleCoffee implements Coffee {
    method getCost (line 2) | @Override
    method getDescription (line 7) | @Override

FILE: design-patterns/java/decorator/coffee/Sugar.java
  class Sugar (line 1) | class Sugar extends CoffeeDecorator {
    method Sugar (line 2) | public Sugar(Coffee coffee) {
    method getCost (line 6) | @Override
    method getDescription (line 11) | @Override

FILE: design-patterns/java/facade/BuildSystem.java
  class BuildSystem (line 1) | public class BuildSystem {
    method compileProject (line 2) | public boolean compileProject() {
    method getArtifactPath (line 9) | public String getArtifactPath() {
    method simulateDelay (line 15) | private void simulateDelay(int ms) {

FILE: design-patterns/java/facade/DeploymentAppDirect.java
  class DeploymentAppDirect (line 1) | public class DeploymentAppDirect {
    method main (line 2) | public static void main(String[] args) {

FILE: design-patterns/java/facade/DeploymentAppFacade.java
  class DeploymentAppFacade (line 1) | public class DeploymentAppFacade {
    method main (line 2) | public static void main(String[] args) {

FILE: design-patterns/java/facade/DeploymentFacade.java
  class DeploymentFacade (line 1) | public class DeploymentFacade {
    method deployApplication (line 10) | public boolean deployApplication(String branch, String serverAddress) {
    method deployHotfix (line 49) | public boolean deployHotfix(String branch, String serverAddress) {

FILE: design-patterns/java/facade/DeploymentOrchestrator.java
  class DeploymentOrchestrator (line 1) | public class DeploymentOrchestrator {
    method deployApplication (line 7) | public boolean deployApplication(String branch, String prodServer) {

FILE: design-patterns/java/facade/DeploymentTarget.java
  class DeploymentTarget (line 1) | public class DeploymentTarget {
    method transferArtifact (line 2) | public void transferArtifact(String artifactPath, String server) {
    method activateNewVersion (line 8) | public void activateNewVersion(String server) {
    method simulateDelay (line 14) | private void simulateDelay(int ms) {

FILE: design-patterns/java/facade/TestingFramework.java
  class TestingFramework (line 1) | public class TestingFramework {
    method runUnitTests (line 2) | public boolean runUnitTests() {
    method runIntegrationTests (line 9) | public boolean runIntegrationTests() {
    method simulateDelay (line 16) | private void simulateDelay(int ms) {

FILE: design-patterns/java/facade/VersionControlSystem.java
  class VersionControlSystem (line 1) | public class VersionControlSystem {
    method pullLatestChanges (line 2) | public void pullLatestChanges(String branch) {
    method simulateDelay (line 8) | private void simulateDelay() {

FILE: design-patterns/java/factory/notification/EmailNotification.java
  class EmailNotification (line 1) | public class EmailNotification implements Notification {
    method send (line 2) | @Override

FILE: design-patterns/java/factory/notification/EmailNotificationCreator.java
  class EmailNotificationCreator (line 1) | public class EmailNotificationCreator extends NotificationCreator {
    method createNotification (line 2) | @Override

FILE: design-patterns/java/factory/notification/FactoryMethodDemo.java
  class FactoryMethodDemo (line 1) | public class FactoryMethodDemo {
    method main (line 2) | public static void main(String[] args) {

FILE: design-patterns/java/factory/notification/Notification.java
  type Notification (line 1) | public interface Notification {
    method send (line 2) | public void send(String message);

FILE: design-patterns/java/factory/notification/NotificationCreator.java
  class NotificationCreator (line 1) | public abstract class NotificationCreator {
    method createNotification (line 3) | public abstract Notification createNotification();
    method send (line 6) | public void send(String message) {

FILE: design-patterns/java/factory/notification/NotificationServiceNaive.java
  class NotificationServiceNaive (line 1) | public class NotificationServiceNaive {
    method sendNotification (line 2) | public void sendNotification(String type, String message) {

FILE: design-patterns/java/factory/notification/PushNotification.java
  class PushNotification (line 1) | public class PushNotification implements Notification {
    method send (line 2) | @Override

FILE: design-patterns/java/factory/notification/PushNotificationCreator.java
  class PushNotificationCreator (line 1) | public class PushNotificationCreator extends NotificationCreator {
    method createNotification (line 2) | @Override

FILE: design-patterns/java/factory/notification/SMSNotification.java
  class SMSNotification (line 1) | public class SMSNotification implements Notification {
    method send (line 2) | @Override

FILE: design-patterns/java/factory/notification/SMSNotificationCreator.java
  class SMSNotificationCreator (line 1) | public class SMSNotificationCreator extends NotificationCreator {
    method createNotification (line 2) | @Override

FILE: design-patterns/java/factory/notification/SimpleNotificationFactory.java
  class SimpleNotificationFactory (line 1) | public class SimpleNotificationFactory {
    method createNotification (line 2) | public static Notification createNotification(String type) {

FILE: design-patterns/java/factory/subscription/Customer.java
  class Customer (line 1) | public class Customer {
    method Customer (line 5) | public Customer(String customerId) {
    method SubscribePlan (line 9) | public void SubscribePlan(Subscription subscription) {
    method unSubscribePlan (line 14) | public void unSubscribePlan() {
    method updateSubcribePlan (line 18) | public void updateSubcribePlan(Subscription newSubscription) {

FILE: design-patterns/java/factory/subscription/DataBase.java
  class DataBase (line 3) | public class DataBase {
    method DataBase (line 6) | public DataBase() {
    method addToDataBase (line 10) | public void addToDataBase(String customerId, String subscriptionType) {
    method removeFromDataBase (line 16) | public void removeFromDataBase(String customerId) {
    method updateDataBase (line 22) | public void updateDataBase(String customerId, String subscriptionType) {

FILE: design-patterns/java/factory/subscription/FactoryApplication.java
  class FactoryApplication (line 1) | public class FactoryApplication {
    method main (line 4) | public static void main(String[] arg) {

FILE: design-patterns/java/factory/subscription/Gold.java
  class Gold (line 1) | public class Gold implements Subscription {
    method Gold (line 5) | public Gold(DataBase dataBase) {
    method subscriptionType (line 9) | @Override
    method addSubscription (line 14) | @Override
    method removeSubscription (line 21) | @Override
    method updateSubscription (line 28) | @Override

FILE: design-patterns/java/factory/subscription/Platinum.java
  class Platinum (line 1) | public class Platinum implements Subscription {
    method Platinum (line 5) | public Platinum(DataBase dataBase) {
    method subscriptionType (line 9) | @Override
    method addSubscription (line 14) | @Override
    method removeSubscription (line 21) | @Override
    method updateSubscription (line 28) | @Override

FILE: design-patterns/java/factory/subscription/RoyalGold.java
  class RoyalGold (line 1) | public class RoyalGold implements Subscription {
    method RoyalGold (line 5) | public RoyalGold(DataBase dataBase) {
    method subscriptionType (line 9) | @Override
    method addSubscription (line 14) | @Override
    method removeSubscription (line 21) | @Override
    method updateSubscription (line 28) | @Override

FILE: design-patterns/java/factory/subscription/Silver.java
  class Silver (line 1) | public class Silver implements Subscription {
    method Silver (line 5) | public Silver(DataBase dataBase) {
    method subscriptionType (line 9) | @Override
    method addSubscription (line 14) | @Override
    method removeSubscription (line 21) | @Override
    method updateSubscription (line 28) | @Override

FILE: design-patterns/java/factory/subscription/Subscription.java
  type Subscription (line 1) | public interface Subscription {
    method subscriptionType (line 2) | public String subscriptionType();
    method addSubscription (line 3) | public boolean addSubscription(Customer customer);
    method removeSubscription (line 4) | public boolean removeSubscription(Customer customer);
    method updateSubscription (line 5) | public boolean updateSubscription(Customer customer);

FILE: design-patterns/java/factory/subscription/SubscriptionFactory.java
  class SubscriptionFactory (line 1) | public class SubscriptionFactory {
    method SubscriptionFactory (line 4) | public SubscriptionFactory(DataBase dataBase){
    method getSubscription (line 7) | public Subscription getSubscription(String subscriptionType){

FILE: design-patterns/java/flyweight/CharacterFlyweight.java
  type CharacterFlyweight (line 1) | public interface CharacterFlyweight {
    method draw (line 2) | void draw(int x, int y);

FILE: design-patterns/java/flyweight/CharacterFlyweightFactory.java
  class CharacterFlyweightFactory (line 4) | public class CharacterFlyweightFactory {
    method getFlyweight (line 7) | public static CharacterFlyweight getFlyweight(char symbol, String font...
    method getFlyweightCount (line 15) | public int getFlyweightCount() {

FILE: design-patterns/java/flyweight/CharacterGlyph.java
  class CharacterGlyph (line 1) | public class CharacterGlyph implements CharacterFlyweight {
    method CharacterGlyph (line 7) | public CharacterGlyph(char symbol, String fontFamily, int fontSize, St...
    method draw (line 14) | @Override

FILE: design-patterns/java/flyweight/FlyweightDemo.java
  class FlyweightDemo (line 1) | public class FlyweightDemo {
    method main (line 2) | public static void main(String[] args) {

FILE: design-patterns/java/flyweight/TextEditorClient.java
  class TextEditorClient (line 4) | public class TextEditorClient {
    method addCharacter (line 8) | public void addCharacter(char c, int x, int y, String font, int size, ...
    method renderDocument (line 13) | public void renderDocument() {
    class RenderedCharacter (line 20) | private static class RenderedCharacter {
      method RenderedCharacter (line 24) | public RenderedCharacter(CharacterFlyweight glyph, int x, int y) {
      method draw (line 30) | public void draw() {

FILE: design-patterns/java/iterator/IterableCollection.java
  type IterableCollection (line 1) | public interface IterableCollection<T> {
    method createIterator (line 2) | Iterator<T> createIterator();

FILE: design-patterns/java/iterator/Iterator.java
  type Iterator (line 1) | public interface Iterator<T> {
    method hasNext (line 2) | boolean hasNext();
    method next (line 3) | T next();

FILE: design-patterns/java/iterator/MusicPlayer.java
  class MusicPlayer (line 1) | public class MusicPlayer {
    method main (line 2) | public static void main(String[] args) {

FILE: design-patterns/java/iterator/Playlist.java
  class Playlist (line 4) | public class Playlist implements IterableCollection<String> {
    method addSong (line 7) | public void addSong(String song) {
    method getSongAt (line 11) | public String getSongAt(int index) {
    method getSize (line 15) | public int getSize() {
    method createIterator (line 19) | @Override

FILE: design-patterns/java/iterator/PlaylistIterator.java
  class PlaylistIterator (line 1) | public class PlaylistIterator implements Iterator<String> {
    method PlaylistIterator (line 5) | public PlaylistIterator(Playlist playlist) {
    method hasNext (line 9) | @Override
    method next (line 14) | @Override

FILE: design-patterns/java/iterator/books/Book.java
  class Book (line 1) | class Book {
    method Book (line 4) | public Book(String title) {
    method getTitle (line 8) | public String getTitle() {

FILE: design-patterns/java/iterator/books/BookShelf.java
  class BookShelf (line 5) | class BookShelf implements Container<Book> {
    method BookShelf (line 8) | public BookShelf() {
    method addBook (line 12) | public void addBook(Book book) {
    method getIterator (line 16) | @Override
    class BookShelfIterator (line 22) | private class BookShelfIterator implements Iterator<Book> {
      method hasNext (line 25) | @Override
      method next (line 30) | @Override

FILE: design-patterns/java/iterator/books/Container.java
  type Container (line 1) | interface Container<T> {
    method getIterator (line 2) | Iterator<T> getIterator();

FILE: design-patterns/java/iterator/books/Iterator.java
  type Iterator (line 1) | interface Iterator<T> {
    method hasNext (line 2) | boolean hasNext();
    method next (line 3) | T next();

FILE: design-patterns/java/iterator/books/IteratorDemo.java
  class IteratorDemo (line 1) | public class IteratorDemo {
    method main (line 2) | public static void main(String[] args) {

FILE: design-patterns/java/mediator/Button.java
  class Button (line 1) | public class Button extends UIComponent {
    method Button (line 4) | public Button(UIMediator mediator) {
    method click (line 8) | public void click() {
    method setEnabled (line 17) | public void setEnabled(boolean value) {

FILE: design-patterns/java/mediator/FormMediator.java
  class FormMediator (line 1) | public class FormMediator implements UIMediator {
    method setUsernameField (line 7) | public void setUsernameField(TextField usernameField) {
    method setPasswordField (line 11) | public void setPasswordField(TextField passwordField) {
    method setLoginButton (line 15) | public void setLoginButton(Button loginButton) {
    method setStatusLabel (line 19) | public void setStatusLabel(Label statusLabel) {
    method componentChanged (line 23) | @Override

FILE: design-patterns/java/mediator/Label.java
  class Label (line 1) | public class Label extends UIComponent {
    method Label (line 4) | public Label(UIMediator mediator) {
    method setText (line 8) | public void setText(String message) {

FILE: design-patterns/java/mediator/MediatorApp.java
  class MediatorApp (line 1) | public class MediatorApp {
    method main (line 2) | public static void main(String[] args) {

FILE: design-patterns/java/mediator/TextField.java
  class TextField (line 1) | public class TextField extends UIComponent {
    method TextField (line 4) | public TextField(UIMediator mediator) {
    method setText (line 8) | public void setText(String newText) {
    method getText (line 14) | public String getText() {

FILE: design-patterns/java/mediator/UIComponent.java
  class UIComponent (line 1) | public abstract class UIComponent {
    method UIComponent (line 4) | public UIComponent(UIMediator mediator) {
    method notifyMediator (line 8) | public void notifyMediator() {

FILE: design-patterns/java/mediator/UIMediator.java
  type UIMediator (line 1) | public interface UIMediator {
    method componentChanged (line 2) | void componentChanged(UIComponent component);

FILE: design-patterns/java/memento/TextEditor.java
  class TextEditor (line 1) | public class TextEditor {
    method type (line 4) | public void type(String newText) {
    method getContent (line 9) | public String getContent() {
    method save (line 13) | public TextEditorMemento save() {
    method restore (line 18) | public void restore(TextEditorMemento memento) {

FILE: design-patterns/java/memento/TextEditorMemento.java
  class TextEditorMemento (line 1) | public class TextEditorMemento {
    method TextEditorMemento (line 4) | public TextEditorMemento(String state) {
    method getState (line 8) | public String getState() {

FILE: design-patterns/java/memento/TextEditorNaive.java
  class TextEditorNaive (line 1) | public class TextEditorNaive {
    method type (line 4) | public void type(String newText) {
    method undo (line 8) | public void undo(String previousContent) {
    method getContent (line 12) | public String getContent() {

FILE: design-patterns/java/memento/TextEditorUndoManager.java
  class TextEditorUndoManager (line 3) | public class TextEditorUndoManager {
    method save (line 6) | public void save(TextEditor editor) {
    method undo (line 10) | public void undo(TextEditor editor) {

FILE: design-patterns/java/memento/TextEditorUndoV1.java
  class TextEditorUndoV1 (line 1) | public class TextEditorUndoV1 {
    method main (line 2) | public static void main(String[] args) {

FILE: design-patterns/java/memento/TextEditorUndoV2.java
  class TextEditorUndoV2 (line 1) | public class TextEditorUndoV2 {
    method main (line 2) | public static void main(String[] args) {

FILE: design-patterns/java/observer/FitnessAppNaiveClient.java
  class FitnessAppNaiveClient (line 1) | public class FitnessAppNaiveClient {
    method main (line 2) | public static void main(String[] args) {

FILE: design-patterns/java/observer/FitnessAppObserverDemo.java
  class FitnessAppObserverDemo (line 1) | public class FitnessAppObserverDemo {
    method main (line 2) | public static void main(String[] args) {

FILE: design-patterns/java/observer/FitnessData.java
  class FitnessData (line 3) | public class FitnessData implements FitnessDataSubject {
    method registerObserver (line 10) | @Override
    method removeObserver (line 15) | @Override
    method notifyObservers (line 20) | @Override
    method newFitnessDataPushed (line 27) | public void newFitnessDataPushed(int steps, int activeMinutes, int cal...
    method dailyReset (line 37) | public void dailyReset() {
    method getSteps (line 46) | public int getSteps() { return steps; }
    method getActiveMinutes (line 47) | public int getActiveMinutes() { return activeMinutes; }
    method getCalories (line 48) | public int getCalories() { return calories; }

FILE: design-patterns/java/observer/FitnessDataNaive.java
  class FitnessDataNaive (line 1) | public class FitnessDataNaive {
    method FitnessDataNaive (line 11) | public FitnessDataNaive(LiveActivityDisplayNaive ld, ProgressLoggerNai...
    method newFitnessDataPushed (line 18) | public void newFitnessDataPushed(int newSteps, int newActiveMinutes, i...
    method dailyReset (line 32) | public void dailyReset() {

FILE: design-patterns/java/observer/FitnessDataObserver.java
  type FitnessDataObserver (line 1) | public interface FitnessDataObserver {
    method update (line 2) | void update(FitnessData data);

FILE: design-patterns/java/observer/FitnessDataSubject.java
  type FitnessDataSubject (line 1) | public interface FitnessDataSubject {
    method registerObserver (line 2) | void registerObserver(FitnessDataObserver o);
    method removeObserver (line 3) | void removeObserver(FitnessDataObserver o);
    method notifyObservers (line 4) | void notifyObservers();

FILE: design-patterns/java/observer/GoalNotifier.java
  class GoalNotifier (line 1) | public class GoalNotifier implements FitnessDataObserver {
    method update (line 5) | @Override
    method reset (line 13) | public void reset() {

FILE: design-patterns/java/observer/LiveActivityDisplay.java
  class LiveActivityDisplay (line 1) | public class LiveActivityDisplay implements FitnessDataObserver {
    method update (line 2) | @Override

FILE: design-patterns/java/observer/LiveActivityDisplayNaive.java
  class LiveActivityDisplayNaive (line 1) | public class LiveActivityDisplayNaive {
    method showStats (line 2) | public void showStats(int steps, int activeMinutes, int calories) {

FILE: design-patterns/java/observer/NotificationServiceNaive.java
  class NotificationServiceNaive (line 1) | public class NotificationServiceNaive {
    method checkAndNotify (line 5) | public void checkAndNotify(int currentSteps) {
    method resetDailyNotifications (line 12) | public void resetDailyNotifications() {

FILE: design-patterns/java/observer/ProgressLogger.java
  class ProgressLogger (line 1) | public class ProgressLogger implements FitnessDataObserver {
    method update (line 2) | @Override

FILE: design-patterns/java/observer/ProgressLoggerNaive.java
  class ProgressLoggerNaive (line 1) | public class ProgressLoggerNaive {
    method logDataPoint (line 2) | public void logDataPoint(int steps, int activeMinutes, int calories) {

FILE: design-patterns/java/prototype/Enemy.java
  class Enemy (line 1) | public class Enemy implements EnemyPrototype {
    method Enemy (line 8) | public Enemy(String type, int health, double speed, boolean armored, S...
    method clone (line 16) | @Override
    method setHealth (line 21) | public void setHealth(int health) {
    method printStats (line 25) | public void printStats() {

FILE: design-patterns/java/prototype/EnemyPrototype.java
  type EnemyPrototype (line 1) | public interface EnemyPrototype {
    method clone (line 2) | EnemyPrototype clone();

FILE: design-patterns/java/prototype/EnemyRegistry.java
  class EnemyRegistry (line 4) | public class EnemyRegistry {
    method register (line 7) | public void register(String key, Enemy prototype) {
    method get (line 11) | public Enemy get(String key) {

FILE: design-patterns/java/prototype/Game.java
  class Game (line 1) | public class Game {
    method main (line 2) | public static void main(String[] args) {

FILE: design-patterns/java/proxy/HighResolutionImage.java
  class HighResolutionImage (line 1) | public class HighResolutionImage implements Image {
    method HighResolutionImage (line 5) | public HighResolutionImage(String fileName) {
    method loadImageFromDisk (line 10) | private void loadImageFromDisk() {
    method display (line 22) | @Override
    method getFileName (line 28) | @Override

FILE: design-patterns/java/proxy/Image.java
  type Image (line 1) | public interface Image {
    method display (line 2) | void display();
    method getFileName (line 3) | String getFileName();

FILE: design-patterns/java/proxy/ImageGalleryAppV1.java
  class ImageGalleryAppV1 (line 1) | public class ImageGalleryAppV1 {
    method main (line 2) | public static void main(String[] args) {

FILE: design-patterns/java/proxy/ImageGalleryAppV2.java
  class ImageGalleryAppV2 (line 1) | public class ImageGalleryAppV2 {
    method main (line 2) | public static void main(String[] args) {

FILE: design-patterns/java/proxy/ImageProxy.java
  class ImageProxy (line 1) | public class ImageProxy implements Image {
    method ImageProxy (line 5) | public ImageProxy(String fileName) {
    method getFileName (line 10) | @Override
    method display (line 16) | @Override

FILE: design-patterns/java/singleton/BillPughSingleton.java
  class BillPughSingleton (line 1) | class BillPughSingleton {
    method BillPughSingleton (line 3) | private BillPughSingleton() {}
    class SingletonHelper (line 6) | private static class SingletonHelper {
    method getInstance (line 11) | public static BillPughSingleton getInstance() {

FILE: design-patterns/java/singleton/DoubleCheckedLockingSingleton.java
  class DoubleCheckedSingleton (line 1) | class DoubleCheckedSingleton {
    method DoubleCheckedSingleton (line 6) | private DoubleCheckedSingleton() {}
    method getInstance (line 9) | public static DoubleCheckedSingleton getInstance() {

FILE: design-patterns/java/singleton/EagerSingleton.java
  class EagerSingleton (line 1) | class EagerSingleton {
    method EagerSingleton (line 6) | private EagerSingleton() {}
    method getInstance (line 9) | public static EagerSingleton getInstance() {

FILE: design-patterns/java/singleton/EnumSingleton.java
  type EnumSingleton (line 1) | public enum EnumSingleton {
    method doSomething (line 4) | public void doSomething() {

FILE: design-patterns/java/singleton/LazySingleton.java
  class LazySingleton (line 1) | class LazySingleton {
    method LazySingleton (line 6) | private LazySingleton() {}
    method getInstance (line 9) | public static LazySingleton getInstance() {

FILE: design-patterns/java/singleton/StaticBlockSingleton.java
  class StaticBlockSingleton (line 1) | class StaticBlockSingleton {
    method StaticBlockSingleton (line 6) | private StaticBlockSingleton() {}
    method getInstance (line 18) | public static StaticBlockSingleton getInstance() {

FILE: design-patterns/java/singleton/ThreadSafeSingleton.java
  class ThreadSafeSingleton (line 1) | class ThreadSafeSingleton {
    method ThreadSafeSingleton (line 6) | private ThreadSafeSingleton() {}
    method getInstance (line 9) | public static synchronized ThreadSafeSingleton getInstance() {

FILE: design-patterns/java/state/DispensingState.java
  class DispensingState (line 1) | public class DispensingState implements MachineState {
    method selectItem (line 2) | @Override
    method insertCoin (line 7) | @Override
    method dispenseItem (line 12) | @Override

FILE: design-patterns/java/state/HasMoneyState.java
  class HasMoneyState (line 1) | public class HasMoneyState implements MachineState {
    method selectItem (line 2) | @Override
    method insertCoin (line 7) | @Override
    method dispenseItem (line 12) | @Override

FILE: design-patterns/java/state/IdleState.java
  class IdleState (line 1) | public class IdleState implements MachineState {
    method selectItem (line 2) | @Override
    method insertCoin (line 9) | @Override
    method dispenseItem (line 14) | @Override

FILE: design-patterns/java/state/ItemSelectedState.java
  class ItemSelectedState (line 1) | public class ItemSelectedState implements MachineState {
    method selectItem (line 2) | @Override
    method insertCoin (line 7) | @Override
    method dispenseItem (line 14) | @Override

FILE: design-patterns/java/state/MachineState.java
  type MachineState (line 1) | public interface MachineState {
    method selectItem (line 2) | void selectItem(VendingMachine context, String itemCode);
    method insertCoin (line 3) | void insertCoin(VendingMachine context, double amount);
    method dispenseItem (line 4) | void dispenseItem(VendingMachine context);

FILE: design-patterns/java/state/VendingMachine.java
  class VendingMachine (line 1) | public class VendingMachine {
    method VendingMachine (line 6) | public VendingMachine() {
    method setState (line 10) | public void setState(MachineState newState) {
    method setSelectedItem (line 14) | public void setSelectedItem(String itemCode) {
    method setInsertedAmount (line 18) | public void setInsertedAmount(double amount) {
    method getSelectedItem (line 22) | public String getSelectedItem() {
    method getInsertedAmount (line 26) | public double getInsertedAmount() {
    method selectItem (line 30) | public void selectItem(String itemCode) {
    method insertCoin (line 34) | public void insertCoin(double amount) {
    method dispenseItem (line 38) | public void dispenseItem() {
    method reset (line 42) | public void reset() {

FILE: design-patterns/java/state/VendingMachineApp.java
  class VendingMachineApp (line 1) | public class VendingMachineApp {
    method main (line 2) | public static void main(String[] args) {

FILE: design-patterns/java/state/VendingMachineNaive.java
  class VendingMachineNaive (line 1) | public class VendingMachineNaive {
    type State (line 2) | private enum State {
    method selectItem (line 13) | public void selectItem(String itemCode) {
    method insertCoin (line 32) | public void insertCoin(double amount) {
    method dispenseItem (line 51) | public void dispenseItem() {
    method cancelTransaction (line 79) | public void cancelTransaction() {
    method resetMachine (line 98) | private void resetMachine() {

FILE: design-patterns/java/strategy/DistanceBasedShipping.java
  class DistanceBasedShipping (line 1) | public class DistanceBasedShipping implements ShippingStrategy {
    method DistanceBasedShipping (line 4) | public DistanceBasedShipping(double ratePerKm) {
    method calculateCost (line 8) | @Override

FILE: design-patterns/java/strategy/ECommerceAppV1.java
  class ECommerceAppV1 (line 1) | public class ECommerceAppV1 {
    method main (line 2) | public static void main(String[] args) {

FILE: design-patterns/java/strategy/ECommerceAppV2.java
  class ECommerceAppV2 (line 1) | public class ECommerceAppV2 {
    method main (line 2) | public static void main(String[] args) {

FILE: design-patterns/java/strategy/FlatRateShipping.java
  class FlatRateShipping (line 1) | public class FlatRateShipping implements ShippingStrategy {
    method FlatRateShipping (line 4) | public FlatRateShipping(double rate) {
    method calculateCost (line 8) | @Override

FILE: design-patterns/java/strategy/Order.java
  class Order (line 1) | public class Order {
    method getTotalWeight (line 2) | public double getTotalWeight() { return 5.0; /* kg */ }
    method getDestinationZone (line 3) | public String getDestinationZone() { return "ZoneA"; }
    method getOrderValue (line 4) | public double getOrderValue() { return 150.0; }

FILE: design-patterns/java/strategy/ShippingCostCalculatorNaive.java
  class ShippingCostCalculatorNaive (line 1) | public class ShippingCostCalculatorNaive {
    method calculateShippingCost (line 2) | public double calculateShippingCost(Order order, String strategyType) {

FILE: design-patterns/java/strategy/ShippingCostService.java
  class ShippingCostService (line 1) | public class ShippingCostService {
    method ShippingCostService (line 5) | public ShippingCostService(ShippingStrategy strategy) {
    method setStrategy (line 10) | public void setStrategy(ShippingStrategy strategy) {
    method calculateShippingCost (line 15) | public double calculateShippingCost(Order order) {

FILE: design-patterns/java/strategy/ShippingStrategy.java
  type ShippingStrategy (line 1) | public interface ShippingStrategy {
    method calculateCost (line 2) | double calculateCost(Order order);

FILE: design-patterns/java/strategy/ThirdPartyApiShipping.java
  class ThirdPartyApiShipping (line 1) | public class ThirdPartyApiShipping implements ShippingStrategy {
    method ThirdPartyApiShipping (line 5) | public ThirdPartyApiShipping(double baseFee, double percentageFee) {
    method calculateCost (line 10) | @Override

FILE: design-patterns/java/strategy/WeightBasedShipping.java
  class WeightBasedShipping (line 1) | public class WeightBasedShipping implements ShippingStrategy {
    method WeightBasedShipping (line 4) | public WeightBasedShipping(double ratePerKg) {
    method calculateCost (line 8) | @Override

FILE: design-patterns/java/templatemethod/AbstractReportExporter.java
  class AbstractReportExporter (line 1) | public abstract class AbstractReportExporter {
    method exportReport (line 2) | public final void exportReport(ReportData data, String filePath) {
    method prepareData (line 13) | protected void prepareData(ReportData data) {
    method openFile (line 18) | protected void openFile(String filePath) {
    method writeHeader (line 22) | protected abstract void writeHeader(ReportData data);
    method writeDataRows (line 24) | protected abstract void writeDataRows(ReportData data);
    method writeFooter (line 27) | protected void writeFooter(ReportData data) {
    method closeFile (line 32) | protected void closeFile(String filePath) {

FILE: design-patterns/java/templatemethod/CsvReportExporter.java
  class CsvReportExporter (line 3) | public class CsvReportExporter extends AbstractReportExporter {
    method writeHeader (line 7) | @Override
    method writeDataRows (line 12) | @Override

FILE: design-patterns/java/templatemethod/CsvReportExporterNaive.java
  class CsvReportExporterNaive (line 1) | class CsvReportExporterNaive {
    method export (line 2) | public void export(ReportData data, String filePath) {

FILE: design-patterns/java/templatemethod/ExcelReportExporter.java
  class ExcelReportExporter (line 3) | public class ExcelReportExporter extends AbstractReportExporter {
    method writeHeader (line 7) | @Override
    method writeDataRows (line 12) | @Override

FILE: design-patterns/java/templatemethod/ExcelReportExporterNaive.java
  class ExcelReportExporterNaive (line 1) | public class ExcelReportExporterNaive {
    method export (line 2) | public void export(ReportData data, String filePath) {

FILE: design-patterns/java/templatemethod/PdfReportExporter.java
  class PdfReportExporter (line 3) | public class PdfReportExporter extends AbstractReportExporter {
    method writeHeader (line 7) | @Override
    method writeDataRows (line 12) | @Override

FILE: design-patterns/java/templatemethod/PdfReportExporterNaive.java
  class PdfReportExporterNaive (line 1) | class PdfReportExporterNaive {
    method export (line 2) | public void export(ReportData data, String filePath) {

FILE: design-patterns/java/templatemethod/ReportAppNaive.java
  class ReportAppNaive (line 1) | public class ReportAppNaive {
    method main (line 2) | public static void main(String[] args) {

FILE: design-patterns/java/templatemethod/ReportAppTemplateMethod.java
  class ReportAppTemplateMethod (line 1) | public class ReportAppTemplateMethod {
    method main (line 2) | public static void main(String[] args) {

FILE: design-patterns/java/templatemethod/ReportData.java
  class ReportData (line 5) | public class ReportData {
    method getHeaders (line 6) | public List<String> getHeaders() {
    method getRows (line 9) | public List<Map<String, Object>> getRows() {

FILE: design-patterns/java/visitor/AreaCalculatorVisitor.java
  class AreaCalculatorVisitor (line 1) | public class AreaCalculatorVisitor implements ShapeVisitor {
    method visitCircle (line 2) | @Override
    method visitRectangle (line 8) | @Override

FILE: design-patterns/java/visitor/Circle.java
  class Circle (line 1) | public class Circle implements Shape {
    method Circle (line 4) | public Circle(double radius) {
    method getRadius (line 8) | public double getRadius() {
    method accept (line 12) | @Override

FILE: design-patterns/java/visitor/Rectangle.java
  class Rectangle (line 1) | public class Rectangle implements Shape {
    method Rectangle (line 5) | public Rectangle(double width, double height) {
    method getWidth (line 10) | public double getWidth() {
    method getHeight (line 14) | public double getHeight() {
    method accept (line 18) | @Override

FILE: design-patterns/java/visitor/Shape.java
  type Shape (line 1) | public interface Shape {
    method accept (line 2) | void accept(ShapeVisitor visitor);

FILE: design-patterns/java/visitor/ShapeVisitor.java
  type ShapeVisitor (line 1) | public interface ShapeVisitor {
    method visitCircle (line 2) | void visitCircle(Circle circle);
    method visitRectangle (line 3) | void visitRectangle(Rectangle rectangle);

FILE: design-patterns/java/visitor/SvgExporterVisitor.java
  class SvgExporterVisitor (line 1) | public class SvgExporterVisitor implements ShapeVisitor {
    method visitCircle (line 2) | @Override
    method visitRectangle (line 7) | @Override

FILE: design-patterns/java/visitor/VisitorPatternDemo.java
  class VisitorPatternDemo (line 1) | public class VisitorPatternDemo {
    method main (line 2) | public static void main(String[] args) {

FILE: oop/rust/abstraction/main.rs
  type CoffeeMaker (line 11) | pub trait CoffeeMaker {
    method brew (line 12) | fn brew(&mut self);
    method add_water (line 13) | fn add_water(&mut self, amount: u32);
    method add_water (line 62) | fn add_water(&mut self, amount: u32) {
    method brew (line 69) | fn brew(&mut self) {
  type PremiumCoffeeMachine (line 19) | pub struct PremiumCoffeeMachine {
    method new (line 28) | pub fn new(water: u32, beans: u32) -> Self {
    method grind_beans (line 37) | fn grind_beans(&mut self) -> bool {
    method heat_water (line 48) | fn heat_water(&mut self) -> bool {
  function main (line 81) | fn main() {

FILE: oop/rust/aggregation/main.rs
  type Book (line 9) | struct Book {
    method new (line 15) | fn new(title: &str, author: &str) -> Self {
    method read (line 22) | fn read(&self) {
  type Library (line 29) | struct Library<'a> {
  function new (line 36) | fn new(name: &str) -> Self {
  function add_book (line 44) | fn add_book(&mut self, book: &'a Book) {
  function list_books (line 48) | fn list_books(&self) {
  type Reader (line 59) | struct Reader {
  function main (line 65) | fn main() {

FILE: oop/rust/association/main.rs
  type Student (line 18) | struct Student {
  type Teacher (line 22) | struct Teacher {
    method new (line 29) | fn new(name: &str) -> Self {
    method add_student (line 36) | fn add_student(&mut self, student: Rc<Student>) {
    method show_students (line 40) | fn show_students(&self) {
  type Library (line 55) | struct Library {
    method new (line 68) | fn new(name: &str) -> Rc<Self> {
    method add_book (line 75) | fn add_book(library: &Rc<Library>, title: &str) {
    method show_books (line 86) | fn show_books(&self) {
  type Book (line 60) | struct Book {
    method show_library (line 95) | fn show_library(&self) {
  function main (line 104) | fn main() {

FILE: oop/rust/classes_and_objects/main.rs
  type Car (line 12) | pub struct Car {
    method new (line 26) | pub fn new(color: String, make: String, model: String, year: u32) -> S...
    method display_info (line 38) | pub fn display_info(&self) {
  function main (line 50) | fn main() {

FILE: oop/rust/composition/main.rs
  type Engine (line 10) | struct Engine {
    method new (line 15) | fn new(horsepower: u32) -> Self {
    method start (line 19) | fn start(&self) {
  type Wheel (line 24) | struct Wheel {
    method new (line 29) | fn new(wheel_type: &str) -> Self {
    method rotate (line 35) | fn rotate(&self) {
  type Transmission (line 40) | struct Transmission {
    method new (line 45) | fn new(trans_type: &str) -> Self {
    method shift (line 51) | fn shift(&self) {
  type Car (line 58) | struct Car {
    method new (line 67) | fn new(hp: u32, wheel_type: &str, trans_type: &str) -> Self {
    method drive (line 75) | fn drive(&self) {
  type PowerSource (line 87) | trait PowerSource {
    method power_up (line 88) | fn power_up(&self);
    method power_up (line 93) | fn power_up(&self) {
    method power_up (line 100) | fn power_up(&self) {
  type ElectricMotor (line 91) | struct ElectricMotor;
  type DieselMotor (line 98) | struct DieselMotor;
  type HybridVehicle (line 105) | struct HybridVehicle {
    method new (line 111) | fn new(source: Box<dyn PowerSource>) -> Self {
    method start (line 115) | fn start(&self) {
  function main (line 120) | fn main() {

FILE: oop/rust/encapsulation/main.rs
  type BankAccount (line 10) | pub struct BankAccount {
    method new (line 16) | pub fn new(owner: &str, balance: f64) -> Self {
    method balance (line 24) | pub fn balance(&self) -> f64 {
    method deposit (line 29) | pub fn deposit(&mut self, amount: f64) {
  type Employee (line 42) | pub struct Employee {
    method new (line 48) | pub fn new(name: &str, age: u8) -> Self {
    method name (line 56) | pub fn name(&self) -> &str {
    method set_age (line 61) | pub fn set_age(&mut self, age: u8) {
    method age (line 69) | pub fn age(&self) -> u8 {
  type Processor (line 77) | pub struct Processor {
    method new (line 83) | pub fn new(card_number: &str, amount: f64) -> Self {
    method mask_card (line 92) | fn mask_card(real_no: &str) -> String {
    method process (line 101) | pub fn process(&self) {
  function main (line 107) | fn main() {

FILE: oop/rust/inheritance/main.rs
  type Animal (line 12) | trait Animal {
    method name (line 13) | fn name(&self) -> &String;
    method eat (line 16) | fn eat(&self) {
    method name (line 29) | fn name(&self) -> &String {
  type Dog (line 22) | struct Dog {
    method bark (line 35) | fn bark(&self) {
  type Living (line 43) | trait Living {
    method live (line 44) | fn live(&self) { println!("I am alive."); }
  type Mammal (line 48) | trait Mammal: Living {
    method walk (line 49) | fn walk(&self) { println!("I can walk."); }
  type Cat (line 52) | struct Cat;
  type SoundMaker (line 63) | trait SoundMaker {
    method make_sound (line 64) | fn make_sound(&self) {
    method make_sound (line 73) | fn make_sound(&self) {
  type Cow (line 69) | struct Cow;
  type BaseEntity (line 82) | struct BaseEntity {
    method save (line 87) | fn save(&self) {
  type User (line 93) | struct User {
    method new (line 99) | fn new(id: u32, username: &str) -> Self {
    method save_user (line 106) | fn save_user(&self) {
  function main (line 113) | fn main() {

FILE: oop/rust/interfaces/main.rs
  type Vehicle (line 9) | pub trait Vehicle {
    method start (line 10) | fn start(&self);
    method stop (line 11) | fn stop(&self);
    method start (line 21) | fn start(&self) {
    method stop (line 24) | fn stop(&self) {
  type Car (line 15) | pub struct Car {
  type Flyable (line 30) | trait Flyable {
    method fly (line 31) | fn fly(&self);
    method fly (line 41) | fn fly(&self) {
  type Drivable (line 34) | trait Drivable {
    method drive (line 35) | fn drive(&self);
    method drive (line 47) | fn drive(&self) {
  type FlyingCar (line 38) | struct FlyingCar;
  type Animal (line 53) | trait Animal {
    method sound (line 54) | fn sound(&self);
    method sleep (line 57) | fn sleep(&self) {
    method sound (line 65) | fn sound(&self) {
  type Dog (line 62) | struct Dog;
  type MathOperations (line 70) | trait MathOperations {
    method add (line 72) | fn add(a: i32, b: i32) -> i32 {
  type Calculator (line 77) | struct Calculator;
  type Payment (line 81) | trait Payment {
    method pay (line 82) | fn pay(&self, amount: f64);
    method pay (line 87) | fn pay(&self, amount: f64) {
    method pay (line 94) | fn pay(&self, amount: f64) {
  type CreditCard (line 85) | struct CreditCard;
  type PayPal (line 92) | struct PayPal;
  function main (line 99) | fn main() {

FILE: oop/rust/polymorphism/main.rs
  type Addable (line 10) | trait Addable {
    method add (line 11) | fn add(&self, other: i32) -> i32;
    method add (line 20) | fn add(&self, other: i32) -> i32 {
  type Number (line 15) | struct Number {
  function static_add (line 28) | fn static_add<T: Addable>(item: T, extra: i32) -> i32 {
  type Animal (line 35) | trait Animal {
    method make_sound (line 36) | fn make_sound(&self);
    method make_sound (line 41) | fn make_sound(&self) {
    method make_sound (line 48) | fn make_sound(&self) {
  type Dog (line 39) | struct Dog;
  type Cat (line 46) | struct Cat;
  type Vehicle (line 56) | trait Vehicle {
    method start (line 57) | fn start(&self);
    method start (line 62) | fn start(&self) {
    method start (line 69) | fn start(&self) {
  type Car (line 60) | struct Car;
  type Bike (line 67) | struct Bike;
  type Payment (line 77) | trait Payment {
    method pay (line 78) | fn pay(&self, amount: f64);
    method pay (line 83) | fn pay(&self, amount: f64) {
    method pay (line 90) | fn pay(&self, amount: f64) {
  type CreditCardPayment (line 81) | struct CreditCardPayment;
  type PayPalPayment (line 88) | struct PayPalPayment;
  function process (line 96) | fn process(payment_method: &dyn Payment, amount: f64) {
  function main (line 101) | fn main() {

FILE: solutions/cpp/airlinemanagementsystem/AirlineManagementSystem.cpp
  function Flight (line 70) | Flight* AirlineManagementSystem::findFlight(std::string flightNumber) co...
  function Passenger (line 77) | Passenger* AirlineManagementSystem::findPassenger(std::string passportNu...
  function Booking (line 84) | Booking* AirlineManagementSystem::findBooking(std::string bookingId) con...

FILE: solutions/cpp/airlinemanagementsystem/AirlineManagementSystem.hpp
  class AirlineManagementSystem (line 10) | class AirlineManagementSystem {

FILE: solutions/cpp/airlinemanagementsystem/AirlineManagementSystemDemo.cpp
  function main (line 4) | int main() {

FILE: solutions/cpp/airlinemanagementsystem/Booking.cpp
  function Flight (line 8) | Flight* Booking::getFlight() const { return flight; }
  function Passenger (line 9) | Passenger* Booking::getPassenger() const { return passenger; }

FILE: solutions/cpp/airlinemanagementsystem/Booking.hpp
  class Booking (line 8) | class Booking {

FILE: solutions/cpp/airlinemanagementsystem/Flight.hpp
  class Flight (line 8) | class Flight {

FILE: solutions/cpp/airlinemanagementsystem/Passenger.hpp
  class Passenger (line 6) | class Passenger {

FILE: solutions/cpp/airlinemanagementsystem/Seat.hpp
  class Seat (line 4) | class Seat {

FILE: solutions/cpp/atm/ATM.hpp
  class ATM (line 8) | class ATM {

FILE: solutions/cpp/atm/ATMDemo.cpp
  function main (line 4) | int main() {

FILE: solutions/cpp/atm/Account.hpp
  class Account (line 6) | class Account {

FILE: solutions/cpp/carrentalsystem/Car.hpp
  class Car (line 6) | class Car {

FILE: solutions/cpp/carrentalsystem/CarRentalSystem.cpp
  function Car (line 73) | Car* CarRentalSystem::findCar(std::string carId) const {
  function Customer (line 80) | Customer* CarRentalSystem::findCustomer(std::string customerId) const {
  function Rental (line 87) | Rental* CarRentalSystem::findRental(std::string rentalId) const {

FILE: solutions/cpp/carrentalsystem/CarRentalSystem.hpp
  class CarRentalSystem (line 10) | class CarRentalSystem {

FILE: solutions/cpp/carrentalsystem/CarRentalSystemDemo.cpp
  function main (line 4) | int main() {

FILE: solutions/cpp/carrentalsystem/Customer.hpp
  class Customer (line 6) | class Customer {

FILE: solutions/cpp/carrentalsystem/Rental.cpp
  function Car (line 13) | Car* Rental::getCar() const { return car; }
  function Customer (line 14) | Customer* Rental::getCustomer() const { return customer; }

FILE: solutions/cpp/carrentalsystem/Rental.hpp
  class Rental (line 8) | class Rental {

FILE: solutions/cpp/chessgame/Board.hpp
  class Board (line 7) | class Board {

FILE: solutions/cpp/chessgame/ChessDemo.cpp
  function main (line 4) | int main() {

FILE: solutions/cpp/chessgame/Game.cpp
  function Color (line 40) | Color Game::getCurrentTurn() const {

FILE: solutions/cpp/chessgame/Game.hpp
  class Game (line 6) | class Game {

FILE: solutions/cpp/chessgame/Piece.cpp
  function PieceType (line 7) | PieceType Piece::getType() const { return type; }
  function Color (line 8) | Color Piece::getColor() const { return color; }
  function Position (line 9) | Position Piece::getPosition() const { return position; }

FILE: solutions/cpp/chessgame/Piece.hpp
  type PieceType (line 7) | enum class PieceType {
  type Color (line 11) | enum class Color {
  class Piece (line 15) | class Piece {
    method Piece (line 23) | Piece(PieceType type, Color color, Position position)
    method PieceType (line 28) | PieceType getType() const { return type; }
    method Color (line 29) | Color getColor() const { return color; }
    method Position (line 30) | Position getPosition() const { return position; }
    method isCaptured (line 31) | bool isCaptured() const { return captured; }
    method setPosition (line 33) | void setPosition(Position newPosition) { position = newPosition; }
    method setCaptured (line 34) | void setCaptured(bool status) { captured = status; }
    method getSymbol (line 38) | std::string getSymbol() const {

FILE: solutions/cpp/chessgame/Position.hpp
  class Position (line 4) | class Position {

FILE: solutions/cpp/chessgame/pieces/Bishop.hpp
  class Bishop (line 6) | class Bishop : public Piece {

FILE: solutions/cpp/chessgame/pieces/King.hpp
  class King (line 6) | class King : public Piece {

FILE: solutions/cpp/chessgame/pieces/Knight.hpp
  class Knight (line 6) | class Knight : public Piece {

FILE: solutions/cpp/chessgame/pieces/Pawn.hpp
  class Pawn (line 6) | class Pawn : public Piece {

FILE: solutions/cpp/chessgame/pieces/Queen.hpp
  class Queen (line 6) | class Queen : public Piece {

FILE: solutions/cpp/chessgame/pieces/Rook.hpp
  class Rook (line 6) | class Rook : public Piece {

FILE: solutions/cpp/coffeevendingmachine/Coffee.cpp
  function CoffeeType (line 6) | CoffeeType Coffee::getType() const { return type; }

FILE: solutions/cpp/coffeevendingmachine/Coffee.hpp
  class Coffee (line 7) | class Coffee {

FILE: solutions/cpp/coffeevendingmachine/CoffeeType.hpp
  type CoffeeType (line 4) | enum class CoffeeType {

FILE: solutions/cpp/coffeevendingmachine/CoffeeVendingMachine.cpp
  function Coffee (line 77) | Coffee* CoffeeVendingMachine::findCoffee(CoffeeType type) {

FILE: solutions/cpp/coffeevendingmachine/CoffeeVendingMachine.hpp
  class CoffeeVendingMachine (line 8) | class CoffeeVendingMachine {

FILE: solutions/cpp/coffeevendingmachine/CoffeeVendingMachineDemo.cpp
  function main (line 4) | int main() {

FILE: solutions/cpp/coffeevendingmachine/Inventory.hpp
  class Inventory (line 7) | class Inventory {

FILE: solutions/cpp/concertticketbookingsystem/Booking.cpp
  function Concert (line 12) | Concert* Booking::getConcert() const { return concert; }

FILE: solutions/cpp/concertticketbookingsystem/Booking.hpp
  class Booking (line 7) | class Booking {

FILE: solutions/cpp/concertticketbookingsystem/BookingSystem.cpp
  function Concert (line 71) | Concert* BookingSystem::findConcert(std::string concertId) const {
  function Booking (line 78) | Booking* BookingSystem::findBooking(std::string bookingId) const {

FILE: solutions/cpp/concertticketbookingsystem/BookingSystem.hpp
  class BookingSystem (line 9) | class BookingSystem {

FILE: solutions/cpp/concertticketbookingsystem/Concert.hpp
  class Concert (line 8) | class Concert {

FILE: solutions/cpp/concertticketbookingsystem/ConcertBookingDemo.cpp
  function main (line 4) | int main() {

FILE: solutions/cpp/concertticketbookingsystem/Seat.hpp
  class Seat (line 4) | class Seat {

FILE: solutions/cpp/courseregistrationsystem/Course.hpp
  class Course (line 8) | class Course {

FILE: solutions/cpp/courseregistrationsystem/RegistrationSystem.cpp
  function Course (line 61) | Course* RegistrationSystem::findCourse(std::string courseId) const {
  function Student (line 68) | Student* RegistrationSystem::findStudent(std::string studentId) const {

FILE: solutions/cpp/courseregistrationsystem/RegistrationSystem.hpp
  class RegistrationSystem (line 9) | class RegistrationSystem {

FILE: solutions/cpp/courseregistrationsystem/RegistrationSystemDemo.cpp
  function main (line 4) | int main() {

FILE: solutions/cpp/courseregistrationsystem/Student.hpp
  class Course (line 7) | class Course
  class Student (line 9) | class Student {

FILE: solutions/cpp/cricinfo/CricInfoDemo.cpp
  function main (line 4) | int main() {

FILE: solutions/cpp/cricinfo/CricInfoSystem.cpp
  function Team (line 19) | Team* CricInfoSystem::findTeam(const std::string& teamId) const {
  function Match (line 26) | Match* CricInfoSystem::findMatch(const std::string& matchId) const {

FILE: solutions/cpp/cricinfo/CricInfoSystem.hpp
  class CricInfoSystem (line 8) | class CricInfoSystem {

FILE: solutions/cpp/cricinfo/Match.cpp
  function Team (line 10) | Team* Match::getTeam1() const { return team1; }
  function Team (line 11) | Team* Match::getTeam2() const { return team2; }
  function Team (line 15) | Team* Match::getWinner() const { return winner; }

FILE: solutions/cpp/cricinfo/Match.hpp
  class Match (line 10) | class Match {

FILE: solutions/cpp/cricinfo/Player.cpp
  function PlayerType (line 11) | PlayerType Player::getType() const { return type; }
  function PlayerStats (line 12) | PlayerStats& Player::getStats() { return stats; }

FILE: solutions/cpp/cricinfo/Player.hpp
  type PlayerType (line 7) | enum class PlayerType {
  class Player (line 13) | class Player {

FILE: solutions/cpp/cricinfo/PlayerStats.hpp
  type PlayerStats (line 4) | struct PlayerStats {
    method PlayerStats (line 11) | PlayerStats()

FILE: solutions/cpp/cricinfo/Team.cpp
  function Player (line 27) | Player* Team::findPlayer(const std::string& playerId) const {

FILE: solutions/cpp/cricinfo/Team.hpp
  class Team (line 8) | class Team {

FILE: solutions/cpp/digitalwalletservice/Transaction.cpp
  function TransactionType (line 13) | TransactionType Transaction::getType() const { return type; }

FILE: solutions/cpp/digitalwalletservice/Transaction.hpp
  type TransactionType (line 6) | enum class TransactionType {
  class Transaction (line 12) | class Transaction {

FILE: solutions/cpp/digitalwalletservice/User.hpp
  class User (line 6) | class User {

FILE: solutions/cpp/digitalwalletservice/Wallet.hpp
  class Wallet (line 8) | class Wallet {

FILE: solutions/cpp/digitalwalletservice/WalletDemo.cpp
  function main (line 4) | int main() {

FILE: solutions/cpp/digitalwalletservice/WalletSystem.cpp
  function Wallet (line 18) | Wallet* WalletSystem::createWallet(std::string userId) {
  function User (line 139) | User* WalletSystem::findUser(const std::string& userId) const {
  function Wallet (line 146) | Wallet* WalletSystem::findWallet(const std::string& walletId) const {

FILE: solutions/cpp/digitalwalletservice/WalletSystem.hpp
  class WalletSystem (line 10) | class WalletSystem {

FILE: solutions/cpp/elevatorsystem/Elevator.cpp
  function Direction (line 12) | Direction Elevator::getDirection() const { return direction; }
  function Status (line 13) | Status Elevator::getStatus() const { return status; }

FILE: solutions/cpp/elevatorsystem/Elevator.hpp
  type Direction (line 9) | enum class Direction {
  type Status (line 15) | enum class Status {
  class Elevator (line 21) | class Elevator {

FILE: solutions/cpp/elevatorsystem/ElevatorDemo.cpp
  function main (line 6) | int main() {

FILE: solutions/cpp/elevatorsystem/ElevatorSystem.cpp
  function Elevator (line 46) | Elevator* ElevatorSystem::findElevator(int elevatorId) const {

FILE: solutions/cpp/elevatorsystem/ElevatorSystem.hpp
  class ElevatorSystem (line 7) | class ElevatorSystem {

FILE: solutions/cpp/elevatorsystem/Request.hpp
  class Request (line 4) | class Request {

FILE: solutions/cpp/fooddeliveryservice/DeliveryDemo.cpp
  function main (line 4) | int main() {

FILE: solutions/cpp/fooddeliveryservice/DeliveryService.cpp
  function Order (line 20) | Order* DeliveryService::createOrder(std::string userId, std::string rest...
  function User (line 82) | User* DeliveryService::findUser(const std::string& userId) const {
  function Restaurant (line 89) | Restaurant* DeliveryService::findRestaurant(const std::string& restauran...
  function Order (line 96) | Order* DeliveryService::findOrder(const std::string& orderId) const {

FILE: solutions/cpp/fooddeliveryservice/DeliveryService.hpp
  class DeliveryService (line 10) | class DeliveryService {

FILE: solutions/cpp/fooddeliveryservice/MenuItem.hpp
  class MenuItem (line 6) | class MenuItem {

FILE: solutions/cpp/fooddeliveryservice/Order.cpp
  function User (line 14) | User* Order::getUser() const { return user; }
  function Restaurant (line 15) | Restaurant* Order::getRestaurant() const { return restaurant; }
  function OrderStatus (line 16) | OrderStatus Order::getStatus() const { return status; }

FILE: solutions/cpp/fooddeliveryservice/Order.hpp
  type OrderStatus (line 11) | enum class OrderStatus {
  class Order (line 19) | class Order {

FILE: solutions/cpp/fooddeliveryservice/Restaurant.cpp
  function MenuItem (line 33) | MenuItem* Restaurant::findMenuItem(const std::string& itemId) const {

FILE: solutions/cpp/fooddeliveryservice/Restaurant.hpp
  class Restaurant (line 8) | class Restaurant {

FILE: solutions/cpp/fooddeliveryservice/User.hpp
  class User (line 6) | class User {

FILE: solutions/cpp/hotelmanagementsystem/Booking.cpp
  function Guest (line 14) | Guest* Booking::getGuest() const { return guest; }
  function Room (line 15) | Room* Booking::getRoom() const { return room; }
  function BookingStatus (line 20) | BookingStatus Booking::getStatus() const { return status; }

FILE: solutions/cpp/hotelmanagementsystem/Booking.hpp
  type BookingStatus (line 8) | enum class BookingStatus {
  class Booking (line 15) | class Booking {

FILE: solutions/cpp/hotelmanagementsystem/Guest.hpp
  class Guest (line 6) | class Guest {

FILE: solutions/cpp/hotelmanagementsystem/HotelDemo.cpp
  function main (line 4) | int main() {

FILE: solutions/cpp/hotelmanagementsystem/HotelManager.cpp
  function Booking (line 20) | Booking* HotelManager::createBooking(std::string guestId, std::string ro...
  function Room (line 105) | Room* HotelManager::findRoom(const std::string& roomNumber) const {
  function Guest (line 112) | Guest* HotelManager::findGuest(const std::string& guestId) const {
  function Booking (line 119) | Booking* HotelManager::findBooking(const std::string& bookingId) const {

FILE: solutions/cpp/hotelmanagementsystem/HotelManager.hpp
  class HotelManager (line 10) | class HotelManager {

FILE: solutions/cpp/hotelmanagementsystem/Room.cpp
  function RoomType (line 10) | RoomType Room::getType() const { return type; }
  function RoomStatus (line 11) | RoomStatus Room::getStatus() const { return status; }

FILE: solutions/cpp/hotelmanagementsystem/Room.hpp
  type RoomType (line 6) | enum class RoomType {
  type RoomStatus (line 12) | enum class RoomStatus {
  class Room (line 18) | class Room {

FILE: solutions/cpp/librarymanagementsystem/Book.cpp
  function BookStatus (line 14) | BookStatus Book::getStatus() const { return status; }

FILE: solutions/cpp/librarymanagementsystem/Book.hpp
  type BookStatus (line 6) | enum class BookStatus {
  class Book (line 13) | class Book {

FILE: solutions/cpp/librarymanagementsystem/LibraryDemo.cpp
  function main (line 4) | int main() {

FILE: solutions/cpp/librarymanagementsystem/LibraryManager.cpp
  function Book (line 156) | Book* LibraryManager::findBook(const std::string& bookId) const {
  function Member (line 163) | Member* LibraryManager::findMember(const std::string& memberId) const {
  function Transaction (line 170) | Transaction* LibraryManager::findTransaction(const std::string& bookId,

FILE: solutions/cpp/librarymanagementsystem/LibraryManager.hpp
  class LibraryManager (line 10) | class LibraryManager {

FILE: solutions/cpp/librarymanagementsystem/Member.hpp
  class Member (line 8) | class Member {

FILE: solutions/cpp/librarymanagementsystem/Transaction.cpp
  function Book (line 11) | Book* Transaction::getBook() const { return book; }
  function Member (line 12) | Member* Transaction::getMember() const { return member; }
  function TransactionType (line 13) | TransactionType Transaction::getType() const { return type; }

FILE: solutions/cpp/librarymanagementsystem/Transaction.hpp
  type TransactionType (line 8) | enum class TransactionType {
  class Transaction (line 15) | class Transaction {

FILE: solutions/cpp/linkedin/LinkedInDemo.cpp
  function main (line 4) | int main() {

FILE: solutions/cpp/linkedin/LinkedInManager.cpp
  function Post (line 15) | Post* LinkedInManager::createPost(std::string userId, std::string content,
  function User (line 116) | User* LinkedInManager::findUser(const std::string& userId) const {
  function Post (line 123) | Post* LinkedInManager::findPost(const std::string& postId) const {

FILE: solutions/cpp/linkedin/LinkedInManager.hpp
  class LinkedInManager (line 9) | class LinkedInManager {

FILE: solutions/cpp/linkedin/Post.cpp
  function User (line 11) | User* Post::getAuthor() const { return author; }
  function PostType (line 13) | PostType Post::getType() const { return type; }

FILE: solutions/cpp/linkedin/Post.hpp
  type PostType (line 8) | enum class PostType {
  class Post (line 15) | class Post {

FILE: solutions/cpp/linkedin/Profile.hpp
  type Experience (line 7) | struct Experience {
  type Education (line 15) | struct Education {
  class Profile (line 23) | class Profile {

FILE: solutions/cpp/linkedin/User.cpp
  function Profile (line 17) | Profile* User::getProfile() const { return profile; }

FILE: solutions/cpp/linkedin/User.hpp
  class User (line 9) | class User {

FILE: solutions/cpp/loggingframework/ConsoleAppender.hpp
  class ConsoleAppender (line 6) | class ConsoleAppender : public LogAppender {

FILE: solutions/cpp/loggingframework/FileAppender.hpp
  class FileAppender (line 8) | class FileAppender : public LogAppender {

FILE: solutions/cpp/loggingframework/LogAppender.hpp
  class LogAppender (line 6) | class LogAppender {

FILE: solutions/cpp/loggingframework/LogLevel.hpp
  type LogLevel (line 4) | enum class LogLevel {
  function logLevelToString (line 14) | inline std::string logLevelToString(LogLevel level) {

FILE: solutions/cpp/loggingframework/LogMessage.cpp
  function LogLevel (line 16) | LogLevel LogMessage::getLevel() const { return level; }

FILE: solutions/cpp/loggingframework/LogMessage.hpp
  class LogMessage (line 8) | class LogMessage {

FILE: solutions/cpp/loggingframework/Logger.hpp
  class Logger (line 11) | class Logger {

FILE: solutions/cpp/loggingframework/LoggingDemo.cpp
  function main (line 6) | int main() {

FILE: solutions/cpp/lrucache/DoublyLinkedList.hpp
  type Node (line 5) | struct Node {
    method Node (line 11) | Node(K key, V value) : key(key), value(value), prev(nullptr), next(nul...
  class DoublyLinkedList (line 15) | class DoublyLinkedList {
    method DoublyLinkedList (line 22) | DoublyLinkedList() : head(nullptr), tail(nullptr), size(0) {}
    method moveToFront (line 46) | void moveToFront(Node<K,V>* node) {
    method removeNode (line 63) | void removeNode(Node<K,V>* node) {
    method getSize (line 98) | int getSize() const { return size; }
    method isEmpty (line 99) | bool isEmpty() const { return size == 0; }

FILE: solutions/cpp/lrucache/LRUCache.hpp
  class LRUCache (line 8) | class LRUCache {
    method LRUCache (line 15) | LRUCache(int capacity) : capacity(capacity) {}
    method V (line 17) | V get(K key) {
    method put (line 28) | void put(K key, V value) {
    method contains (line 50) | bool contains(K key) const {
    method getSize (line 54) | int getSize() const {
    method isEmpty (line 58) | bool isEmpty() const {
    method clear (line 62) | void clear() {
    method display (line 70) | void display() const {

FILE: solutions/cpp/lrucache/LRUCacheDemo.cpp
  function main (line 5) | int main() {

FILE: solutions/cpp/movieticketbookingsystem/Booking.cpp
  function Show (line 22) | Show* Booking::getShow() const { return show; }
  function BookingStatus (line 27) | BookingStatus Booking::getStatus() const { return status; }

FILE: solutions/cpp/movieticketbookingsystem/Booking.hpp
  type BookingStatus (line 8) | enum class BookingStatus {
  class Booking (line 14) | class Booking {

FILE: solutions/cpp/movieticketbookingsystem/BookingDemo.cpp
  function main (line 4) | int main() {

FILE: solutions/cpp/movieticketbookingsystem/BookingSystem.cpp
  function Booking (line 21) | Booking* BookingSystem::createBooking(std::string showId, std::string cu...
  function Show (line 103) | Show* BookingSystem::findShow(const std::string& showId) const {
  function Booking (line 114) | Booking* BookingSystem::findBooking(const std::string& bookingId) const {

FILE: solutions/cpp/movieticketbookingsystem/BookingSystem.hpp
  class BookingSystem (line 11) | class BookingSystem {

FILE: solutions/cpp/movieticketbookingsystem/Movie.cpp
  function MovieGenre (line 13) | MovieGenre Movie::getGenre() const { return genre; }

FILE: solutions/cpp/movieticketbookingsystem/Movie.hpp
  type MovieGenre (line 7) | enum class MovieGenre {
  class Movie (line 16) | class Movie {

FILE: solutions/cpp/movieticketbookingsystem/Show.cpp
  function Movie (line 12) | Movie* Show::getMovie() const { return movie; }
  function ShowStatus (line 16) | ShowStatus Show::getStatus() const { return status; }

FILE: solutions/cpp/movieticketbookingsystem/Show.hpp
  type ShowStatus (line 8) | enum class ShowStatus {
  class Show (line 15) | class Show {

FILE: solutions/cpp/movieticketbookingsystem/Theater.hpp
  class Theater (line 8) | class Theater {

FILE: solutions/cpp/musicstreamingservice/Artist.hpp
  class Artist (line 8) | class Artist {

FILE: solutions/cpp/musicstreamingservice/MusicStreamingDemo.cpp
  function main (line 4) | int main() {

FILE: solutions/cpp/musicstreamingservice/MusicStreamingService.cpp
  function Playlist (line 29) | Playlist* MusicStreamingService::createPlaylist(std::string userId, std:...
  function User (line 138) | User* MusicStreamingService::findUser(const std::string& userId) const {
  function Artist (line 144) | Artist* MusicStreamingService::findArtist(const std::string& artistId) c...
  function Song (line 150) | Song* MusicStreamingService::findSong(const std::string& songId) const {
  function Playlist (line 156) | Playlist* MusicStreamingService::findPlaylist(const std::string& playlis...

FILE: solutions/cpp/musicstreamingservice/MusicStreamingService.hpp
  class MusicStreamingService (line 11) | class MusicStreamingService {

FILE: solutions/cpp/musicstreamingservice/Playlist.hpp
  class Playlist (line 8) | class Playlist {

FILE: solutions/cpp/musicstreamingservice/Song.cpp
  function Genre (line 16) | Genre Song::getGenre() const { return genre; }

FILE: solutions/cpp/musicstreamingservice/Song.hpp
  type Genre (line 7) | enum class Genre {
  class Song (line 16) | class Song {

FILE: solutions/cpp/musicstreamingservice/User.cpp
  function UserType (line 19) | UserType User::getType() const { return type; }

FILE: solutions/cpp/musicstreamingservice/User.hpp
  type UserType (line 8) | enum class UserType {
  class User (line 13) | class User {

FILE: solutions/cpp/onlineauctionsystem/Auction.cpp
  function Item (line 11) | Item* Auction::getItem() const { return item; }
  function AuctionStatus (line 15) | AuctionStatus Auction::getStatus() const { return status; }

FILE: solutions/cpp/onlineauctionsystem/Auction.hpp
  type Bid (line 10) | struct Bid {
    method Bid (line 15) | Bid(std::string bidderId, double amount)
  type AuctionStatus (line 19) | enum class AuctionStatus {
  class Auction (line 26) | class Auction {

FILE: solutions/cpp/onlineauctionsystem/AuctionSystem.cpp
  function User (line 13) | User* AuctionSystem::registerUser(std::string username, std::string emai...
  function Item (line 20) | Item* AuctionSystem::createItem(std::string sellerId, std::string name, ...
  function Auction (line 32) | Auction* AuctionSystem::createAuction(std::string itemId, std::time_t st...
  function User (line 135) | User* AuctionSystem::findUser(const std::string& userId) const {
  function Item (line 141) | Item* AuctionSystem::findItem(const std::string& itemId) const {
  function Auction (line 147) | Auction* AuctionSystem::findAuction(const std::string& auctionId) const {

FILE: solutions/cpp/onlineauctionsystem/AuctionSystem.hpp
  class AuctionSystem (line 10) | class AuctionSystem {

FILE: solutions/cpp/onlineauctionsystem/AuctionSystemDemo.cpp
  function main (line 5) | int main() {

FILE: solutions/cpp/onlineauctionsystem/Item.cpp
  function ItemCategory (line 13) | ItemCategory Item::getCategory() const { return category; }
  function ItemStatus (line 15) | ItemStatus Item::getStatus() const { return status; }

FILE: solutions/cpp/onlineauctionsystem/Item.hpp
  type ItemCategory (line 6) | enum class ItemCategory {
  type ItemStatus (line 16) | enum class ItemStatus {
  class Item (line 23) | class Item {

FILE: solutions/cpp/onlineauctionsystem/User.hpp
  class User (line 8) | class User {

FILE: solutions/cpp/onlineshoppingservice/Cart.cpp
  function User (line 12) | User* Cart::getUser() const { return user; }

FILE: solutions/cpp/onlineshoppingservice/Cart.hpp
  class Cart (line 8) | class Cart {

FILE: solutions/cpp/onlineshoppingservice/CartItem.cpp
  function Product (line 8) | Product* CartItem::getProduct() const { return product; }

FILE: solutions/cpp/onlineshoppingservice/CartItem.hpp
  class CartItem (line 6) | class CartItem {

FILE: solutions/cpp/onlineshoppingservice/Order.cpp
  function User (line 25) | User* Order::getUser() const { return user; }
  function OrderStatus (line 29) | OrderStatus Order::getStatus() const { return status; }

FILE: solutions/cpp/onlineshoppingservice/Order.hpp
  type OrderStatus (line 9) | enum class OrderStatus {
  class Order (line 17) | class Order {

FILE: solutions/cpp/onlineshoppingservice/Product.hpp
  class Product (line 6) | class Product {

FILE: solutions/cpp/onlineshoppingservice/ShoppingDemo.cpp
  function main (line 4) | int main() {

FILE: solutions/cpp/onlineshoppingservice/ShoppingSystem.cpp
  function User (line 14) | User* ShoppingSystem::registerUser(const std::string& username, const st...
  function Product (line 39) | Product* ShoppingSystem::addProduct(const std::string& name, const std::...
  function Order (line 99) | Order* ShoppingSystem::placeOrder(const std::string& userId) {
  function User (line 170) | User* ShoppingSystem::findUser(const std::string& userId) const {
  function Product (line 176) | Product* ShoppingSystem::findProduct(const std::string& productId) const {
  function Order (line 182) | Order* ShoppingSystem::findOrder(const std::string& orderId) const {
  function Cart (line 188) | Cart* ShoppingSystem::getCart(const std::string& userId) {

FILE: solutions/cpp/onlineshoppingservice/ShoppingSystem.hpp
  class ShoppingSystem (line 12) | class ShoppingSystem {

FILE: solutions/cpp/onlineshoppingservice/User.hpp
  class User (line 8) | class User {

FILE: solutions/cpp/onlinestockbrokeragesystem/BrokerageDemo.cpp
  function main (line 4) | int main() {

FILE: solutions/cpp/onlinestockbrokeragesystem/BrokerageSystem.cpp
  function User (line 13) | User* BrokerageSystem::registerUser(const std::string& username, const s...
  function Stock (line 30) | Stock* BrokerageSystem::addStock(const std::string& symbol, const std::s...
  function Transaction (line 58) | Transaction* BrokerageSystem::buyStock(const std::string& userId, const ...
  function Transaction (line 84) | Transaction* BrokerageSystem::sellStock(const std::string& userId, const...
  function User (line 143) | User* BrokerageSystem::findUser(const std::string& userId) const {
  function Stock (line 149) | Stock* BrokerageSystem::findStock(const std::string& symbol) const {

FILE: solutions/cpp/onlinestockbrokeragesystem/BrokerageSystem.hpp
  class BrokerageSystem (line 11) | class BrokerageSystem {

FILE: solutions/cpp/onlinestockbrokeragesystem/Portfolio.hpp
  class Portfolio (line 8) | class Portfolio {

FILE: solutions/cpp/onlinestockbrokeragesystem/Stock.hpp
  class Stock (line 6) | class Stock {

FILE: solutions/cpp/onlinestockbrokeragesystem/Transaction.cpp
  function User (line 14) | User* Transaction::getUser() const { return user; }
  function Stock (line 15) | Stock* Transaction::getStock() const { return stock; }
  function TransactionType (line 16) | TransactionType Transaction::getType() const { return type; }

FILE: solutions/cpp/onlinestockbrokeragesystem/Transaction.hpp
  type TransactionType (line 9) | enum class TransactionType {
  class Transaction (line 14) | class Transaction {

FILE: solutions/cpp/onlinestockbrokeragesystem/User.cpp
  function Portfolio (line 18) | Portfolio* User::getPortfolio() const { return portfolio; }

FILE: solutions/cpp/onlinestockbrokeragesystem/User.hpp
  class User (line 8) | class User {

FILE: solutions/cpp/parkinglot/ParkingLot.cpp
  function Vehicle (line 53) | Vehicle* ParkingLot::removeVehicle(const std::string& licensePlate) {
  function ParkingSpot (line 66) | ParkingSpot* ParkingLot::findVehicle(const std::string& licensePlate) co...
  function ParkingSpot (line 85) | ParkingSpot* ParkingLot::findAvailableSpot(const Vehicle* vehicle) const {

FILE: solutions/cpp/parkinglot/ParkingLot.hpp
  class ParkingLot (line 9) | class ParkingLot {

FILE: solutions/cpp/parkinglot/ParkingLotDemo.cpp
  function main (line 4) | int main() {

FILE: solutions/cpp/parkinglot/ParkingSpot.cpp
  function SpotType (line 8) | SpotType ParkingSpot::getType() const { return type; }
  function Vehicle (line 9) | Vehicle* ParkingSpot::getVehicle() const { return vehicle; }
  function Vehicle (line 37) | Vehicle* ParkingSpot::removeVehicle() {

FILE: solutions/cpp/parkinglot/ParkingSpot.hpp
  type SpotType (line 6) | enum class SpotType {
  class ParkingSpot (line 12) | class ParkingSpot {

FILE: solutions/cpp/parkinglot/Vehicle.cpp
  function VehicleType (line 8) | VehicleType Vehicle::getType() const { return type; }

FILE: solutions/cpp/parkinglot/Vehicle.hpp
  type VehicleType (line 6) | enum class VehicleType {
  class Vehicle (line 13) | class Vehicle {

FILE: solutions/cpp/pubsubsystem/Message.hpp
  class Message (line 7) | class Message {

FILE: solutions/cpp/pubsubsystem/PubSubDemo.cpp
  function main (line 6) | int main() {

FILE: solutions/cpp/pubsubsystem/PubSubSystem.cpp
  function Topic (line 12) | Topic* PubSubSystem::createTopic(const std::string& name, const std::str...
  function Subscriber (line 30) | Subscriber* PubSubSystem::addSubscriber(const std::string& name) {
  function Topic (line 102) | Topic* PubSubSystem::findTopic(const std::string& topicName) const {
  function Subscriber (line 108) | Subscriber* PubSubSystem::findSubscriber(const std::string& subscriberId...

FILE: solutions/cpp/pubsubsystem/PubSubSystem.hpp
  class PubSubSystem (line 9) | class PubSubSystem {

FILE: solutions/cpp/pubsubsystem/Subscriber.hpp
  class Subscriber (line 8) | class Subscriber {

FILE: solutions/cpp/pubsubsystem/Topic.hpp
  class Topic (line 8) | class Topic {

FILE: solutions/cpp/restaurantmanagementsystem/MenuItem.cpp
  function Category (line 14) | Category MenuItem::getCategory() const { return category; }

FILE: solutions/cpp/restaurantmanagementsystem/MenuItem.hpp
  type Category (line 6) | enum class Category {
  class MenuItem (line 13) | class MenuItem {

FILE: solutions/cpp/restaurantmanagementsystem/Order.cpp
  function Table (line 18) | Table* Order::getTable() const { return table; }
  function OrderStatus (line 22) | OrderStatus Order::getStatus() const { return status; }

FILE: solutions/cpp/restaurantmanagementsystem/Order.hpp
  type OrderStatus (line 10) | enum class OrderStatus {
  class Order (line 18) | class Order {

FILE: solutions/cpp/restaurantmanagementsystem/OrderItem.cpp
  function MenuItem (line 10) | MenuItem* OrderItem::getMenuItem() const { return menuItem; }

FILE: solutions/cpp/restaurantmanagementsystem/OrderItem.hpp
  class OrderItem (line 6) | class OrderItem {

FILE: solutions/cpp/restaurantmanagementsystem/RestaurantDemo.cpp
  function main (line 6) | int main() {

FILE: solutions/cpp/restaurantmanagementsystem/RestaurantSystem.cpp
  function MenuItem (line 13) | MenuItem* RestaurantSystem::addMenuItem(const std::string& name, const s...
  function Table (line 37) | Table* RestaurantSystem::addTable(int capacity) {
  function Order (line 50) | Order* RestaurantSystem::createOrder(int tableNumber) {
  function MenuItem (line 119) | MenuItem* RestaurantSystem::findMenuItem(const std::string& itemId) const {
  function Table (line 125) | Table* RestaurantSystem::findTable(int tableNumber) const {
  function Order (line 131) | Order* RestaurantSystem::findOrder(const std::string& orderId) const {

FILE: solutions/cpp/restaurantmanagementsystem/RestaurantSystem.hpp
  class RestaurantSystem (line 10) | class RestaurantSystem {

FILE: solutions/cpp/restaurantmanagementsystem/Table.cpp
  function TableStatus (line 9) | TableStatus Table::getStatus() const { return status; }

FILE: solutions/cpp/restaurantmanagementsystem/Table.hpp
  type TableStatus (line 4) | enum class TableStatus {
  class Table (line 10) | class Table {

FILE: solutions/cpp/ridesharingservice/Location.hpp
  class Location (line 6) | class Location {

FILE: solutions/cpp/ridesharingservice/Ride.cpp
  function User (line 19) | User* Ride::getRider() const { return rider; }
  function User (line 20) | User* Ride::getDriver() const { return driver; }
  function Location (line 21) | Location* Ride::getPickup() const { return pickup; }
  function Location (line 22) | Location* Ride::getDropoff() const { return dropoff; }
  function RideStatus (line 27) | RideStatus Ride::getStatus() const { return status; }

FILE: solutions/cpp/ridesharingservice/Ride.hpp
  type RideStatus (line 9) | enum class RideStatus {
  class Ride (line 17) | class Ride {

FILE: solutions/cpp/ridesharingservice/RideDemo.cpp
  function main (line 6) | int main() {

FILE: solutions/cpp/ridesharingservice/RideService.cpp
  function User (line 12) | User* RideService::registerUser(const std::string& name, const std::stri...
  function Ride (line 30) | Ride* RideService::requestRide(const std::string& riderId, Location* pic...
  function User (line 98) | User* RideService::findUser(const std::string& userId) const {
  function Ride (line 104) | Ride* RideService::findRide(const std::string& rideId) const {
  function User (line 110) | User* RideService::findNearestDriver(const Location& pickup) const {

FILE: solutions/cpp/ridesharingservice/RideService.hpp
  class RideService (line 9) | class RideService {

FILE: solutions/cpp/ridesharingservice/User.cpp
  function UserType (line 17) | UserType User::getType() const { return type; }
  function Location (line 18) | Location* User::getCurrentLocation() const { return currentLocation; }

FILE: solutions/cpp/ridesharingservice/User.hpp
  type UserType (line 7) | enum class UserType {
  class User (line 12) | class User {

FILE: solutions/cpp/snakeandladdergame/Board.hpp
  class Board (line 6) | class Board {

FILE: solutions/cpp/snakeandladdergame/Dice.hpp
  class Dice (line 4) | class Dice {

FILE: solutions/cpp/snakeandladdergame/Game.cpp
  function Player (line 104) | Player* Game::getCurrentPlayer() const {

FILE: solutions/cpp/snakeandladdergame/Game.hpp
  class Game (line 9) | class Game {

FILE: solutions/cpp/snakeandladdergame/GameDemo.cpp
  function main (line 4) | int main() {

FILE: solutions/cpp/snakeandladdergame/Player.hpp
  class Player (line 6) | class Player {

FILE: solutions/cpp/socialnetworkingservice/Post.hpp
  class Post (line 8) | class Post {

FILE: solutions/cpp/socialnetworkingservice/SocialNetwork.cpp
  function User (line 12) | User* SocialNetwork::registerUser(const std::string& username, const std...
  function Post (line 63) | Post* SocialNetwork::createPost(const std::string& userId, const std::st...
  function User (line 148) | User* SocialNetwork::findUser(const std::string& userId) const {
  function Post (line 154) | Post* SocialNetwork::findPost(const std::string& postId) const {

FILE: solutions/cpp/socialnetworkingservice/SocialNetwork.hpp
  class SocialNetwork (line 9) | class SocialNetwork {

FILE: solutions/cpp/socialnetworkingservice/SocialNetworkDemo.cpp
  function main (line 6) | int main() {

FILE: solutions/cpp/socialnetworkingservice/User.hpp
  class User (line 8) | class User {

FILE: solutions/cpp/splitwise/Expense.cpp
  function ExpenseType (line 22) | ExpenseType Expense::getType() const { return type; }

FILE: solutions/cpp/splitwise/Expense.hpp
  type ExpenseType (line 9) | enum class ExpenseType {
  class Expense (line 15) | class Expense {

FILE: solutions/cpp/splitwise/SplitwiseDemo.cpp
  function main (line 4) | int main() {

FILE: solutions/cpp/splitwise/SplitwiseSystem.cpp
  function User (line 13) | User* SplitwiseSystem::registerUser(const std::string& name, const std::...
  function Expense (line 30) | Expense* SplitwiseSystem::addExpense(const std::string& description, dou...
  function User (line 130) | User* SplitwiseSystem::findUser(const std::string& userId) const {
  function Expense (line 136) | Expense* SplitwiseSystem::findExpense(const std::string& expenseId) const {

FILE: solutions/cpp/splitwise/SplitwiseSystem.hpp
  class SplitwiseSystem (line 9) | class SplitwiseSystem {

FILE: solutions/cpp/splitwise/User.hpp
  class User (line 7) | class User {

FILE: solutions/cpp/stackoverflow/Comment.hpp
  class Comment (line 7) | class Comment {

FILE: solutions/cpp/stackoverflow/Post.cpp
  function PostType (line 25) | PostType Post::getType() const { return type; }

FILE: solutions/cpp/stackoverflow/Post.hpp
  type PostType (line 9) | enum class PostType {
  class Post (line 14) | class Post {

FILE: solutions/cpp/stackoverflow/StackOverflow.cpp
  function User (line 12) | User* StackOverflow::registerUser(const std::string& username, const std...
  function Post (line 29) | Post* StackOverflow::addQuestion(const std::string& userId, const std::s...
  function Post (line 39) | Post* StackOverflow::addAnswer(const std::string& userId, const std::str...
  function Comment (line 52) | Comment* StackOverflow::addComment(const std::string& userId, const std:...
  function User (line 149) | User* StackOverflow::findUser(const std::string& userId) const {
  function Post (line 155) | Post* StackOverflow::findPost(const std::string& postId) const {

FILE: solutions/cpp/stackoverflow/StackOverflow.hpp
  class StackOverflow (line 10) | class StackOverflow {

FILE: solutions/cpp/stackoverflow/StackOverflowDemo.cpp
  function main (line 4) | int main() {

FILE: solutions/cpp/stackoverflow/User.hpp
  class User (line 7) | class User {

FILE: solutions/cpp/taskmanagementsystem/Task.cpp
  function TaskStatus (line 17) | TaskStatus Task::getStatus() const { return status; }
  function TaskPriority (line 18) | TaskPriority Task::getPriority() const { return priority; }

FILE: solutions/cpp/taskmanagementsystem/Task.hpp
  type TaskStatus (line 8) | enum class TaskStatus {
  type TaskPriority (line 15) | enum class TaskPriority {
  class Task (line 22) | class Task {

FILE: solutions/cpp/taskmanagementsystem/TaskManager.cpp
  function User (line 12) | User* TaskManager::registerUser(const std::string& username, const std::...
  function Task (line 35) | Task* TaskManager::createTask(const std::string& title, const std::strin...
  function User (line 156) | User* TaskManager::findUser(const std::string& userId) const {
  function Task (line 162) | Task* TaskManager::findTask(const std::string& taskId) const {

FILE: solutions/cpp/taskmanagementsystem/TaskManager.hpp
  class TaskManager (line 9) | class TaskManager {

FILE: solutions/cpp/taskmanagementsystem/TaskManagerDemo.cpp
  function main (line 4) | int main() {

FILE: solutions/cpp/taskmanagementsystem/User.hpp
  class User (line 7) | class User {

FILE: solutions/cpp/tictactoe/Board.hpp
  class Board (line 7) | class Board {

FILE: solutions/cpp/tictactoe/Game.cpp
  function Player (line 92) | Player* Game::getCurrentPlayer() const {

FILE: solutions/cpp/tictactoe/Game.hpp
  class Game (line 7) | class Game {

FILE: solutions/cpp/tictactoe/Player.hpp
  class Player (line 6) | class Player {

FILE: solutions/cpp/tictactoe/TicTacToeDemo.cpp
  function main (line 4) | int main() {

FILE: solutions/cpp/trafficsignalsystem/Intersection.cpp
  function Signal (line 61) | Signal* Intersection::findSignal(const std::string& signalId) const {

FILE: solutions/cpp/trafficsignalsystem/Intersection.hpp
  class Intersection (line 8) | class Intersection {

FILE: solutions/cpp/trafficsignalsystem/Signal.cpp
  function SignalColor (line 12) | SignalColor Signal::getCurrentColor() const { return currentColor; }

FILE: solutions/cpp/trafficsignalsystem/Signal.hpp
  type SignalColor (line 6) | enum class SignalColor {
  class Signal (line 12) | class Signal {

FILE: solutions/cpp/trafficsignalsystem/TrafficSystem.cpp
  function Intersection (line 13) | Intersection* TrafficSystem::createIntersection() {
  function Signal (line 32) | Signal* TrafficSystem::addSignal(const std::string& intersectionId,
  function Intersection (line 75) | Intersection* TrafficSystem::findIntersection(const std::string& interse...

FILE: solutions/cpp/trafficsignalsystem/TrafficSystem.hpp
  class TrafficSystem (line 8) | class TrafficSystem {

FILE: solutions/cpp/trafficsignalsystem/TrafficSystemDemo.cpp
  function main (line 6) | int main() {

FILE: solutions/cpp/vendingmachine/Product.hpp
  class Product (line 6) | class Product {

FILE: solutions/cpp/vendingmachine/Transaction.hpp
  class Transaction (line 7) | class Transaction {

FILE: solutions/cpp/vendingmachine/VendingMachine.cpp
  function Product (line 19) | Product* VendingMachine::addProduct(const std::string& name, double pric...
  function Transaction (line 52) | Transaction* VendingMachine::purchaseProduct(const std::string& productI...
  function Product (line 116) | Product* VendingMachine::findProduct(const std::string& productId) const {

FILE: solutions/cpp/vendingmachine/VendingMachine.hpp
  class VendingMachine (line 9) | class VendingMachine {

FILE: solutions/cpp/vendingmachine/VendingMachineDemo.cpp
  function main (line 4) | int main() {

FILE: solutions/csharp/LLDRunner.cs
  class Program (line 37) | class Program
    method Main (line 39) | static void Main(string[] args)

FILE: solutions/csharp/airlinemanagementsystem/Aircraft.cs
  class Aircraft (line 3) | public class Aircraft
    method Aircraft (line 9) | public Aircraft(string tailNumber, string model, int totalSeats)

FILE: solutions/csharp/airlinemanagementsystem/AirlineManagementSystem.cs
  class AirlineManagementSystem (line 7) | public class AirlineManagementSystem
    method AirlineManagementSystem (line 15) | public AirlineManagementSystem()
    method AddFlight (line 24) | public void AddFlight(Flight flight)
    method AddAircraft (line 29) | public void AddAircraft(Aircraft aircraft)
    method SearchFlights (line 34) | public List<Flight> SearchFlights(string source, string destination, D...
    method BookFlight (line 39) | public Booking BookFlight(Flight flight, Passenger passenger, Seat sea...
    method CancelBooking (line 44) | public void CancelBooking(string bookingNumber)
    method ProcessPayment (line 49) | public void ProcessPayment(Payment payment)

FILE: solutions/csharp/airlinemanagementsystem/AirlineManagementSystemDemo.cs
  class AirlineManagementSystemDemo (line 6) | public class AirlineManagementSystemDemo
    method Run (line 8) | public static void Run()

FILE: solutions/csharp/airlinemanagementsystem/Booking.cs
  class Booking (line 5) | public class Booking
    method Booking (line 14) | public Booking(string bookingNumber, Flight flight, Passenger passenge...
    method Cancel (line 24) | public void Cancel()

FILE: solutions/csharp/airlinemanagementsystem/BookingManager.cs
  class BookingManager (line 8) | public class BookingManager
    method BookingManager (line 15) | private BookingManager() { }
    method CreateBooking (line 29) | public Booking CreateBooking(Flight flight, Passenger passenger, Seat ...
    method CancelBooking (line 40) | public void CancelBooking(string bookingNumber)
    method GenerateBookingNumber (line 51) | private string GenerateBookingNumber()

FILE: solutions/csharp/airlinemanagementsystem/BookingStatus.cs
  type BookingStatus (line 3) | public enum BookingStatus

FILE: solutions/csharp/airlinemanagementsystem/Flight.cs
  class Flight (line 6) | public class Flight
    method Flight (line 15) | public Flight(string flightNumber, string source, string destination, ...

FILE: solutions/csharp/airlinemanagementsystem/FlightSearch.cs
  class FlightSearch (line 7) | public class FlightSearch
    method FlightSearch (line 11) | public FlightSearch(List<Flight> flights)
    method SearchFlights (line 16) | public List<Flight> SearchFlights(string source, string destination, D...

FILE: solutions/csharp/airlinemanagementsystem/Passenger.cs
  class Passenger (line 3) | public class Passenger
    method Passenger (line 10) | public Passenger(string id, string name, string email, string phone)

FILE: solutions/csharp/airlinemanagementsystem/Payment.cs
  class Payment (line 3) | public class Payment
    method Payment (line 10) | public Payment(string paymentId, string paymentMethod, double amount)
    method ProcessPayment (line 18) | public void ProcessPayment()

FILE: solutions/csharp/airlinemanagementsystem/PaymentProcessor.cs
  class PaymentProcessor (line 3) | public class PaymentProcessor
    method PaymentProcessor (line 7) | private PaymentProcessor() { }
    method ProcessPayment (line 21) | public void ProcessPayment(Payment payment)

FILE: solutions/csharp/airlinemanagementsystem/PaymentStatus.cs
  type PaymentStatus (line 3) | public enum PaymentStatus

FILE: solutions/csharp/airlinemanagementsystem/Seat.cs
  class Seat (line 3) | public class Seat
    method Seat (line 9) | public Seat(string seatNumber, SeatType type)
    method Reserve (line 16) | public void Reserve()
    method Release (line 21) | public void Release()

FILE: solutions/csharp/airlinemanagementsystem/SeatStatus.cs
  type SeatStatus (line 3) | public enum SeatStatus

FILE: solutions/csharp/airlinemanagementsystem/SeatType.cs
  type SeatType (line 3) | public enum SeatType

FILE: solutions/csharp/atm/ATM.cs
  class ATM (line 1) | class ATM
    method ATM (line 11) | private ATM()
    method GetInstance (line 25) | public static ATM GetInstance()
    method ChangeState (line 40) | public void ChangeState(IATMState newState)
    method SetCurrentCard (line 45) | public void SetCurrentCard(Card card)
    method InsertCard (line 50) | public void InsertCard(string cardNumber)
    method EnterPin (line 55) | public void EnterPin(string pin)
    method SelectOperation (line 60) | public void SelectOperation(OperationType op, int amount = 0)
    method CheckBalance (line 65) | public void CheckBalance()
    method WithdrawCash (line 71) | public void WithdrawCash(int amount)
    method DepositCash (line 91) | public void DepositCash(int amount)
    method GetCurrentCard (line 96) | public Card GetCurrentCard() => currentCard;
    method GetBankService (line 97) | public BankService GetBankService() => bankService;

FILE: solutions/csharp/atm/ATMDemo.cs
  class ATMDemo (line 5) | public class ATMDemo
    method Main (line 7) | public static void Main(string[] args)

FILE: solutions/csharp/atm/DispenserChain/CashDispenser.cs
  class CashDispenser (line 1) | class CashDispenser
    method CashDispenser (line 6) | public CashDispenser(IDispenseChain chain)
    method DispenseCash (line 11) | public void DispenseCash(int amount)
    method CanDispenseCash (line 19) | public bool CanDispenseCash(int amount)

FILE: solutions/csharp/atm/DispenserChain/IDispenseChain.cs
  type IDispenseChain (line 1) | interface IDispenseChain
    method SetNextChain (line 3) | void SetNextChain(IDispenseChain nextChain);
    method Dispense (line 4) | void Dispense(int amount);
    method CanDispense (line 5) | bool CanDispense(int amount);

FILE: solutions/csharp/atm/DispenserChain/NoteDispenser.cs
  class NoteDispenser (line 1) | abstract class NoteDispenser : IDispenseChain
    method NoteDispenser (line 8) | public NoteDispenser(int noteValue, int numNotes)
    method SetNextChain (line 14) | public void SetNextChain(IDispenseChain nextChain)
    method Dispense (line 19) | public void Dispense(int amount)
    method CanDispense (line 46) | public bool CanDispense(int amount)

FILE: solutions/csharp/atm/DispenserChain/NoteDispenser100.cs
  class NoteDispenser100 (line 1) | class NoteDispenser100 : NoteDispenser
    method NoteDispenser100 (line 3) | public NoteDispenser100(int numNotes) : base(100, numNotes) { }

FILE: solutions/csharp/atm/DispenserChain/NoteDispenser20.cs
  class NoteDispenser20 (line 1) | class NoteDispenser20 : NoteDispenser
    method NoteDispenser20 (line 3) | public NoteDispenser20(int numNotes) : base(20, numNotes) { }

FILE: solutions/csharp/atm/DispenserChain/NoteDispenser50.cs
  class NoteDispenser50 (line 1) | class NoteDispenser50 : NoteDispenser
    method NoteDispenser50 (line 3) | public NoteDispenser50(int numNotes) : base(50, numNotes) { }

FILE: solutions/csharp/atm/Enums/OperationType.cs
  type OperationType (line 1) | enum OperationType

FILE: solutions/csharp/atm/Models/Account.cs
  class Account (line 1) | class Account
    method Account (line 8) | public Account(string accountNumber, double balance)
    method GetAccountNumber (line 15) | public string GetAccountNumber() => accountNumber;
    method GetBalance (line 16) | public double GetBalance() => balance;
    method GetCards (line 17) | public Dictionary<string, Card> GetCards() => cards;
    method Deposit (line 19) | public void Deposit(double amount)
    method Withdraw (line 27) | public bool Withdraw(double amount)

FILE: solutions/csharp/atm/Models/Card.cs
  class Card (line 1) | class Card
    method Card (line 6) | public Card(string cardNumber, string pin)
    method GetCardNumber (line 12) | public string GetCardNumber() => cardNumber;
    method GetPin (line 13) | public string GetPin() => pin;

FILE: solutions/csharp/atm/Service/BankService.cs
  class BankService (line 1) | class BankService
    method BankService (line 7) | public BankService()
    method CreateAccount (line 19) | public Account CreateAccount(string accountNumber, double initialBalance)
    method CreateCard (line 26) | public Card CreateCard(string cardNumber, string pin)
    method Authenticate (line 33) | public bool Authenticate(Card card, string pin)
    method AuthenticateCard (line 38) | public Card AuthenticateCard(string cardNumber)
    method GetBalance (line 43) | public double GetBalance(Card card)
    method WithdrawMoney (line 48) | public void WithdrawMoney(Card card, double amount)
    method DepositMoney (line 53) | public void DepositMoney(Card card, double amount)
    method LinkCardToAccount (line 58) | public void LinkCardToAccount(Card card, Account account)

FILE: solutions/csharp/atm/State/AuthenticatedState.cs
  class AuthenticatedState (line 1) | class AuthenticatedState : IATMState
    method InsertCard (line 3) | public void InsertCard(ATM atm, string cardNumber)
    method EnterPin (line 8) | public void EnterPin(ATM atm, string pin)
    method SelectOperation (line 13) | public void SelectOperation(ATM atm, OperationType op, int amount = 0)
    method EjectCard (line 59) | public void EjectCard(ATM atm)

FILE: solutions/csharp/atm/State/HasCardState.cs
  class HasCardState (line 1) | class HasCardState : IATMState
    method InsertCard (line 3) | public void InsertCard(ATM atm, string cardNumber)
    method EnterPin (line 8) | public void EnterPin(ATM atm, string pin)
    method SelectOperation (line 26) | public void SelectOperation(ATM atm, OperationType op, int amount = 0)
    method EjectCard (line 31) | public void EjectCard(ATM atm)

FILE: solutions/csharp/atm/State/IATMState.cs
  type IATMState (line 1) | interface IATMState
    method InsertCard (line 3) | void InsertCard(ATM atm, string cardNumber);
    method EnterPin (line 4) | void EnterPin(ATM atm, string pin);
    method SelectOperation (line 5) | void SelectOperation(ATM atm, OperationType op, int amount = 0);
    method EjectCard (line 6) | void EjectCard(ATM atm);

FILE: solutions/csharp/atm/State/IdleState.cs
  class IdleState (line 1) | class IdleState : IATMState
    method InsertCard (line 3) | public void InsertCard(ATM atm, string cardNumber)
    method EnterPin (line 19) | public void EnterPin(ATM atm, string pin)
    method SelectOperation (line 24) | public void SelectOperation(ATM atm, OperationType op, int amount = 0)
    method EjectCard (line 29) | public void EjectCard(ATM atm)

FILE: solutions/csharp/carrentalsystem/Car.cs
  class Car (line 3) | public class Car
    method Car (line 12) | public Car(string make, string model, int year, string licensePlate, d...
    method SetAvailable (line 22) | public void SetAvailable(bool available)

FILE: solutions/csharp/carrentalsystem/CarRentalSystemDemo.cs
  class CarRentalSystemDemo (line 6) | public class CarRentalSystemDemo
    method Run (line 8) | public static void Run()

FILE: solutions/csharp/carrentalsystem/CreditCardPaymentProcessor.cs
  class CreditCardPaymentProcessor (line 3) | public class CreditCardPaymentProcessor : IPaymentProcessor
    method ProcessPayment (line 5) | public bool ProcessPayment(double amount)

FILE: solutions/csharp/carrentalsystem/Customer.cs
  class Customer (line 3) | public class Customer
    method Customer (line 9) | public Customer(string name, string contactInfo, string driversLicense...

FILE: solutions/csharp/carrentalsystem/IPaymentProcessor.cs
  type IPaymentProcessor (line 3) | public interface IPaymentProcessor
    method ProcessPayment (line 5) | bool ProcessPayment(double amount);

FILE: solutions/csharp/carrentalsystem/PayPalPaymentProcessor.cs
  class PayPalPaymentProcessor (line 3) | public class PayPalPaymentProcessor : IPaymentProcessor
    method ProcessPayment (line 5) | public bool ProcessPayment(double amount)

FILE: solutions/csharp/carrentalsystem/RentalSystem.cs
  class RentalSystem (line 8) | public class RentalSystem
    method RentalSystem (line 15) | private RentalSystem()
    method AddCar (line 34) | public void AddCar(Car car)
    method RemoveCar (line 39) | public void RemoveCar(string licensePlate)
    method SearchCars (line 44) | public List<Car> SearchCars(string make, string model, DateTime startD...
    method IsCarAvailable (line 53) | private bool IsCarAvailable(Car car, DateTime startDate, DateTime endD...
    method MakeReservation (line 60) | public Reservation MakeReservation(Customer customer, Car car, DateTim...
    method CancelReservation (line 73) | public void CancelReservation(string reservationId)
    method ProcessPayment (line 82) | public bool ProcessPayment(Reservation reservation)
    method GenerateReservationId (line 87) | private string GenerateReservationId()

FILE: solutions/csharp/carrentalsystem/Reservation.cs
  class Reservation (line 5) | public class Reservation
    method Reservation (line 14) | public Reservation(string reservationId, Customer customer, Car car, D...
    method CalculateTotalPrice (line 24) | private double CalculateTotalPrice()

FILE: solutions/csharp/chessgame/Bishop.cs
  class Bishop (line 3) | public class Bishop : Piece
    method Bishop (line 5) | public Bishop(Color color, int row, int col) : base(color, row, col) { }
    method CanMove (line 7) | public override bool CanMove(Board board, int destRow, int destCol)

FILE: solutions/csharp/chessgame/Board.cs
  class Board (line 5) | public class Board
    method Board (line 9) | public Board()
    method InitializeBoard (line 15) | private void InitializeBoard()
    method GetPiece (line 46) | public Piece GetPiece(int row, int col)
    method SetPiece (line 51) | public void SetPiece(int row, int col, Piece piece)
    method IsValidMove (line 56) | public bool IsValidMove(Piece piece, int destRow, int destCol)
    method IsCheckmate (line 66) | public bool IsCheckmate(Color color)
    method IsStalemate (line 72) | public bool IsStalemate(Color color)

FILE: solutions/csharp/chessgame/ChessGame.cs
  class ChessGame (line 5) | public class ChessGame
    method ChessGame (line 11) | public ChessGame()
    method Start (line 18) | public void Start()
    method IsGameOver (line 49) | private bool IsGameOver()
    method GetPlayerMove (line 55) | private Move GetPlayerMove(Player player)
    method DisplayResult (line 76) | private void DisplayResult()

FILE: solutions/csharp/chessgame/ChessGameDemo.cs
  class ChessGameDemo (line 3) | public class ChessGameDemo
    method Run (line 5) | public static void Run()

FILE: solutions/csharp/chessgame/Color.cs
  type Color (line 3) | public enum Color

FILE: solutions/csharp/chessgame/InvalidMoveException.cs
  class InvalidMoveException (line 5) | public class InvalidMoveException : Exception
    method InvalidMoveException (line 7) | public InvalidMoveException(string message) : base(message) { }

FILE: solutions/csharp/chessgame/King.cs
  class King (line 3) | public class King : Piece
    method King (line 5) | public King(Color color, int row, int col) : base(color, row, col) { }
    method CanMove (line 7) | public override bool CanMove(Board board, int destRow, int destCol)

FILE: solutions/csharp/chessgame/Knight.cs
  class Knight (line 3) | public class Knight : Piece
    method Knight (line 5) | public Knight(Color color, int row, int col) : base(color, row, col) { }
    method CanMove (line 7) | public override bool CanMove(Board board, int destRow, int destCol)

FILE: solutions/csharp/chessgame/Move.cs
  class Move (line 3) | public class Move
    method Move (line 9) | public Move(Piece piece, int destRow, int destCol)

FILE: solutions/csharp/chessgame/Pawn.cs
  class Pawn (line 3) | public class Pawn : Piece
    method Pawn (line 5) | public Pawn(Color color, int row, int col) : base(color, row, col) { }
    method CanMove (line 7) | public override bool CanMove(Board board, int destRow, int destCol)

FILE: solutions/csharp/chessgame/Piece.cs
  class Piece (line 3) | public abstract class Piece
    method Piece (line 9) | public Piece(Color color, int row, int col)
    method CanMove (line 16) | public abstract bool CanMove(Board board, int destRow, int destCol);

FILE: solutions/csharp/chessgame/Player.cs
  class Player (line 3) | public class Player
    method Player (line 7) | public Player(Color color)
    method MakeMove (line 12) | public void MakeMove(Board board, Move move)

FILE: solutions/csharp/chessgame/Queen.cs
  class Queen (line 3) | public class Queen : Piece
    method Queen (line 5) | public Queen(Color color, int row, int col) : base(color, row, col) { }
    method CanMove (line 7) | public override bool CanMove(Board board, int destRow, int destCol)

FILE: solutions/csharp/chessgame/Rook.cs
  class Rook (line 3) | public class Rook : Piece
    method Rook (line 5) | public Rook(Color color, int row, int col) : base(color, row, col) { }
    method CanMove (line 7) | public override bool CanMove(Board board, int destRow, int destCol)

FILE: solutions/csharp/coffeevendingmachine/CoffeeVendingMachine.cs
  class CoffeeVendingMachine (line 1) | class CoffeeVendingMachine
    method CoffeeVendingMachine (line 9) | private CoffeeVendingMachine()
    method GetInstance (line 15) | public static CoffeeVendingMachine GetInstance()
    method SelectCoffee (line 30) | public void SelectCoffee(CoffeeType type, List<ToppingType> toppings)
    method InsertMoney (line 52) | public void InsertMoney(int amount) { state.InsertMoney(this, amount); }
    method DispenseCoffee (line 53) | public void DispenseCoffee() { state.DispenseCoffee(this); }
    method Cancel (line 54) | public void Cancel() { state.Cancel(this); }
    method SetState (line 57) | public void SetState(IVendingMachineState state) { this.state = state; }
    method GetState (line 58) | public IVendingMachineState GetState() { return state; }
    method SetSelectedCoffee (line 59) | public void SetSelectedCoffee(Coffee selectedCoffee) { this.selectedCo...
    method GetSelectedCoffee (line 60) | public Coffee GetSelectedCoffee() { return selectedCoffee; }
    method SetMoneyInserted (line 61) | public void SetMoneyInserted(int moneyInserted) { this.moneyInserted =...
    method GetMoneyInserted (line 62) | public int GetMoneyInserted() { return moneyInserted; }
    method Reset (line 64) | public void Reset()

FILE: solutions/csharp/coffeevendingmachine/CoffeeVendingMachineDemo.cs
  class CoffeeVendingMachineDemo (line 6) | public class CoffeeVendingMachineDemo
    method Main (line 8) | public static void Main(string[] args)

FILE: solutions/csharp/coffeevendingmachine/Decorator/CaramelSyrupDecorator.cs
  class CaramelSyrupDecorator (line 1) | class CaramelSyrupDecorator : CoffeeDecorator
    method CaramelSyrupDecorator (line 7) | public CaramelSyrupDecorator(Coffee coffee) : base(coffee) { }
    method GetCoffeeType (line 9) | public override string GetCoffeeType()
    method GetPrice (line 14) | public override int GetPrice()
    method GetRecipe (line 19) | public override Dictionary<Ingredient, int> GetRecipe()
    method Prepare (line 32) | public override void Prepare()

FILE: solutions/csharp/coffeevendingmachine/Decorator/CoffeeDecorator.cs
  class CoffeeDecorator (line 1) | abstract class CoffeeDecorator : Coffee
    method CoffeeDecorator (line 5) | public CoffeeDecorator(Coffee coffee)
    method GetPrice (line 10) | public override int GetPrice()
    method GetRecipe (line 15) | public override Dictionary<Ingredient, int> GetRecipe()
    method AddCondiments (line 20) | public override void AddCondiments()
    method Prepare (line 25) | public override void Prepare()

FILE: solutions/csharp/coffeevendingmachine/Decorator/ExtraSugarDecorator.cs
  class ExtraSugarDecorator (line 1) | class ExtraSugarDecorator : CoffeeDecorator
    method ExtraSugarDecorator (line 7) | public ExtraSugarDecorator(Coffee coffee) : base(coffee) { }
    method GetCoffeeType (line 9) | public override string GetCoffeeType()
    method GetPrice (line 14) | public override int GetPrice()
    method GetRecipe (line 19) | public override Dictionary<Ingredient, int> GetRecipe()
    method Prepare (line 32) | public override void Prepare()

FILE: solutions/csharp/coffeevendingmachine/Enums/CoffeeType.cs
  type CoffeeType (line 1) | enum CoffeeType

FILE: solutions/csharp/coffeevendingmachine/Enums/Ingredient.cs
  type Ingredient (line 1) | enum Ingredient

FILE: solutions/csharp/coffeevendingmachine/Enums/ToppingType.cs
  type ToppingType (line 1) | enum ToppingType

FILE: solutions/csharp/coffeevendingmachine/Factory/CoffeeFactory.cs
  class CoffeeFactory (line 1) | class CoffeeFactory
    method CreateCoffee (line 3) | public static Coffee CreateCoffee(CoffeeType type)

FILE: solutions/csharp/coffeevendingmachine/Inventory.cs
  class Inventory (line 1) | class Inventory
    method Inventory (line 8) | private Inventory() { }
    method GetInstance (line 10) | public static Inventory GetInstance()
    method AddStock (line 25) | public void AddStock(Ingredient ingredient, int quantity)
    method HasIngredients (line 33) | public bool HasIngredients(Dictionary<Ingredient, int> recipe)
    method DeductIngredients (line 38) | public void DeductIngredients(Dictionary<Ingredient, int> recipe)
    method PrintInventory (line 54) | public void PrintInventory()

FILE: solutions/csharp/coffeevendingmachine/States/IVendingMachineState.cs
  type IVendingMachineState (line 1) | interface IVendingMachineState
    method SelectCoffee (line 3) | void SelectCoffee(CoffeeVendingMachine machine, Coffee coffee);
    method InsertMoney (line 4) | void InsertMoney(CoffeeVendingMachine machine, int amount);
    method DispenseCoffee (line 5) | void DispenseCoffee(CoffeeVendingMachine machine);
    method Cancel (line 6) | void Cancel(CoffeeVendingMachine machine);

FILE: solutions/csharp/coffeevendingmachine/States/OutOfIngredientState.cs
  class OutOfIngredientState (line 1) | class OutOfIngredientState : IVendingMachineState
    method SelectCoffee (line 3) | public void SelectCoffee(CoffeeVendingMachine machine, Coffee coffee)
    method InsertMoney (line 8) | public void InsertMoney(CoffeeVendingMachine machine, int amount)
    method DispenseCoffee (line 13) | public void DispenseCoffee(CoffeeVendingMachine machine)
    method Cancel (line 18) | public void Cancel(CoffeeVendingMachine machine)

FILE: solutions/csharp/coffeevendingmachine/States/PaidState.cs
  class PaidState (line 1) | class PaidState : IVendingMachineState
    method SelectCoffee (line 3) | public void SelectCoffee(CoffeeVendingMachine machine, Coffee coffee)
    method InsertMoney (line 8) | public void InsertMoney(CoffeeVendingMachine machine, int amount)
    method DispenseCoffee (line 14) | public void DispenseCoffee(CoffeeVendingMachine machine)
    method Cancel (line 43) | public void Cancel(CoffeeVendingMachine machine)

FILE: solutions/csharp/coffeevendingmachine/States/ReadyState.cs
  class ReadyState (line 1) | class ReadyState : IVendingMachineState
    method SelectCoffee (line 3) | public void SelectCoffee(CoffeeVendingMachine machine, Coffee coffee)
    method InsertMoney (line 10) | public void InsertMoney(CoffeeVendingMachine machine, int amount)
    method DispenseCoffee (line 15) | public void DispenseCoffee(CoffeeVendingMachine machine)
    method Cancel (line 20) | public void Cancel(CoffeeVendingMachine machine)

FILE: solutions/csharp/coffeevendingmachine/States/SelectingState.cs
  class SelectingState (line 1) | class SelectingState : IVendingMachineState
    method SelectCoffee (line 3) | public void SelectCoffee(CoffeeVendingMachine machine, Coffee coffee)
    method InsertMoney (line 8) | public void InsertMoney(CoffeeVendingMachine machine, int amount)
    method DispenseCoffee (line 18) | public void DispenseCoffee(CoffeeVendingMachine machine)
    method Cancel (line 23) | public void Cancel(CoffeeVendingMachine machine)

FILE: solutions/csharp/coffeevendingmachine/TemplateMethod/Cappuccino.cs
  class Cappuccino (line 1) | class Cappuccino : Coffee
    method Cappuccino (line 3) | public Cappuccino()
    method AddCondiments (line 8) | public override void AddCondiments()
    method GetPrice (line 13) | public override int GetPrice()
    method GetRecipe (line 18) | public override Dictionary<Ingredient, int> GetRecipe()

FILE: solutions/csharp/coffeevendingmachine/TemplateMethod/Coffee.cs
  class Coffee (line 1) | abstract class Coffee
    method GetCoffeeType (line 5) | public virtual string GetCoffeeType()
    method Prepare (line 11) | public virtual void Prepare()
    method GrindBeans (line 22) | private void GrindBeans() { Console.WriteLine("- Grinding fresh coffee...
    method Brew (line 23) | private void Brew() { Console.WriteLine("- Brewing coffee with hot wat...
    method PourIntoCup (line 24) | private void PourIntoCup() { Console.WriteLine("- Pouring into a cup."...
    method AddCondiments (line 27) | public abstract void AddCondiments();
    method GetPrice (line 29) | public abstract int GetPrice();
    method GetRecipe (line 30) | public abstract Dictionary<Ingredient, int> GetRecipe();

FILE: solutions/csharp/coffeevendingmachine/TemplateMethod/Espresso.cs
  class Espresso (line 1) | class Espresso : Coffee
    method Espresso (line 3) | public Espresso()
    method AddCondiments (line 8) | public override void AddCondiments()
    method GetPrice (line 13) | public override int GetPrice()
    method GetRecipe (line 18) | public override Dictionary<Ingredient, int> GetRecipe()

FILE: solutions/csharp/coffeevendingmachine/TemplateMethod/Latte.cs
  class Latte (line 1) | class Latte : Coffee
    method Latte (line 3) | public Latte()
    method AddCondiments (line 8) | public override void AddCondiments()
    method GetPrice (line 13) | public override int GetPrice()
    method GetRecipe (line 18) | public override Dictionary<Ingredient, int> GetRecipe()

FILE: solutions/csharp/concertticketbookingsystem/Booking.cs
  class Booking (line 6) | public class Booking
    method Booking (line 15) | public Booking(string id, User user, Concert concert, List<Seat> seats)
    method CalculateTotalPrice (line 25) | private double CalculateTotalPrice()
    method ConfirmBooking (line 30) | public void ConfirmBooking()
    method CancelBooking (line 39) | public void CancelBooking()

FILE: solutions/csharp/concertticketbookingsystem/BookingStatus.cs
  type BookingStatus (line 3) | public enum BookingStatus

FILE: solutions/csharp/concertticketbookingsystem/Concert.cs
  class Concert (line 6) | public class Concert
    method Concert (line 14) | public Concert(string id, string artist, string venue, DateTime dateTi...

FILE: solutions/csharp/concertticketbookingsystem/ConcertTicketBookingSystem.cs
  class ConcertTicketBookingSystem (line 8) | public class ConcertTicketBookingSystem
    method ConcertTicketBookingSystem (line 15) | private ConcertTicketBookingSystem()
    method AddConcert (line 33) | public void AddConcert(Concert concert)
    method GetConcert (line 38) | public Concert GetConcert(string concertId)
    method SearchConcerts (line 44) | public List<Concert> SearchConcerts(string artist, string venue, DateT...
    method BookTickets (line 52) | public Booking BookTickets(User user, Concert concert, List<Seat> seats)
    method CancelBooking (line 79) | public void CancelBooking(string bookingId)
    method ProcessPayment (line 85) | private void ProcessPayment(Booking booking)
    method GenerateBookingId (line 90) | private string GenerateBookingId()

FILE: solutions/csharp/concertticketbookingsystem/ConcertTicketBookingSystemDemo.cs
  class ConcertTicketBookingSystemDemo (line 7) | public class ConcertTicketBookingSystemDemo
    method Run (line 9) | public static void Run()
    method GenerateSeats (line 50) | private static List<Seat> GenerateSeats(int numberOfSeats)
    method SelectSeats (line 68) | private static List<Seat> SelectSeats(Concert concert, int numberOfSeats)

FILE: solutions/csharp/concertticketbookingsystem/Seat.cs
  class Seat (line 3) | public class Seat
    method Seat (line 11) | public Seat(string id, string seatNumber, SeatType seatType, double pr...
    method Book (line 20) | public void Book()
    method Release (line 32) | public void Release()

FILE: solutions/csharp/concertticketbookingsystem/SeatNotAvailableException.cs
  class SeatNotAvailableException (line 5) | public class SeatNotAvailableException : Exception
    method SeatNotAvailableException (line 7) | public SeatNotAvailableException(string message) : base(message)

FILE: solutions/csharp/concertticketbookingsystem/SeatStatus.cs
  type SeatStatus (line 3) | public enum SeatStatus

FILE: solutions/csharp/concertticketbookingsystem/SeatType.cs
  type SeatType (line 3) | public enum SeatType

FILE: solutions/csharp/concertticketbookingsystem/User.cs
  class User (line 3) | public class User
    method User (line 9) | public User(string id, string name, string email)

FILE: solutions/csharp/courseregistrationsystem/Course.cs
  class Course (line 3) | public class Course
    method Course (line 11) | public Course(string code, string name, string instructor, int maxCapa...
    method GetCode (line 20) | public string GetCode() => code;
    method GetName (line 21) | public string GetName() => name;
    method GetInstructor (line 22) | public string GetInstructor() => instructor;
    method GetMaxCapacity (line 23) | public int GetMaxCapacity() => maxCapacity;
    method GetEnrolledStudents (line 24) | public int GetEnrolledStudents() => enrolledStudents;
    method SetEnrolledStudents (line 26) | public void SetEnrolledStudents(int enrolledStudents) => this.enrolled...

FILE: solutions/csharp/courseregistrationsystem/CourseRegistrationDemo.cs
  class CourseRegistrationDemo (line 6) | public class CourseRegistrationDemo
    method Run (line 8) | public static void Run()

FILE: solutions/csharp/courseregistrationsystem/CourseRegistrationSystem.cs
  class CourseRegistrationSystem (line 8) | public class CourseRegistrationSystem
    method CourseRegistrationSystem (line 15) | private CourseRegistrationSystem()
    method GetInstance (line 22) | public static CourseRegistrationSystem GetInstance()
    method AddCourse (line 31) | public void AddCourse(Course course) => courses[course.GetCode()] = co...
    method AddStudent (line 33) | public void AddStudent(Student student) => students[student.GetId()] =...
    method SearchCourses (line 35) | public List<Course> SearchCourses(string query)
    method RegisterCourse (line 42) | public bool RegisterCourse(Student student, Course course)
    method GetRegisteredCourses (line 56) | public List<Course> GetRegisteredCourses(Student student) => student.G...
    method NotifyObservers (line 58) | private void NotifyObservers(Course course)

FILE: solutions/csharp/courseregistrationsystem/Registration.cs
  class Registration (line 5) | public class Registration
    method Registration (line 11) | public Registration(Student student, Course course, DateTime registrat...

FILE: solutions/csharp/courseregistrationsystem/Student.cs
  class Student (line 5) | public class Student
    method Student (line 12) | public Student(int id, string name, string email, List<Course> registe...
    method GetId (line 20) | public int GetId() => id;
    method GetName (line 21) | public string GetName() => name;
    method GetEmail (line 22) | public string GetEmail() => email;
    method GetRegisteredCourses (line 23) | public List<Course> GetRegisteredCourses() => registeredCourses;

FILE: solutions/csharp/cricinfo/CommentaryManager.cs
  class CommentaryManager (line 1) | class CommentaryManager
    method CommentaryManager (line 8) | private CommentaryManager()
    method GetInstance (line 15) | public static CommentaryManager GetInstance()
    method InitializeTemplates (line 30) | private void InitializeTemplates()
    method GenerateCommentary (line 105) | public string GenerateCommentary(Ball ball)
    method GetEventKey (line 119) | private string GetEventKey(Ball ball)

FILE: solutions/csharp/cricinfo/CricinfoDemo.cs
  class CricinfoDemo (line 5) | public class CricinfoDemo
    method Main (line 7) | public static void Main()

FILE: solutions/csharp/cricinfo/CricinfoService.cs
  class CricInfoService (line 1) | class CricInfoService
    method CricInfoService (line 8) | private CricInfoService()
    method GetInstance (line 14) | public static CricInfoService GetInstance()
    method CreateMatch (line 29) | public Match CreateMatch(Team team1, Team team2, IMatchFormatStrategy ...
    method StartMatch (line 38) | public void StartMatch(string matchId)
    method ProcessBallUpdate (line 48) | public void ProcessBallUpdate(string matchId, Ball ball)
    method StartNextInnings (line 54) | public void StartNextInnings(string matchId)
    method SubscribeToMatch (line 60) | public void SubscribeToMatch(string matchId, IMatchObserver observer)
    method EndMatch (line 66) | public void EndMatch(string matchId)
    method AddPlayer (line 76) | public Player AddPlayer(string playerId, string playerName, PlayerRole...

FILE: solutions/csharp/cricinfo/Enums/ExtraType.cs
  type ExtraType (line 1) | enum ExtraType

FILE: solutions/csharp/cricinfo/Enums/MatchStatus.cs
  type MatchStatus (line 1) | enum MatchStatus

FILE: solutions/csharp/cricinfo/Enums/MatchType.cs
  type MatchType (line 1) | enum MatchType

FILE: solutions/csharp/cricinfo/Enums/PlayerRole.cs
  type PlayerRole (line 1) | enum PlayerRole

FILE: solutions/csharp/cricinfo/Enums/WicketType.cs
  type WicketType (line 1) | enum WicketType

FILE: solutions/csharp/cricinfo/Models/Ball.cs
  class Ball (line 1) | class Ball
    method Ball (line 11) | public Ball(BallBuilder builder)
    method IsWicket (line 22) | public bool IsWicket() => wicket != null;
    method IsBoundary (line 23) | public bool IsBoundary() => runsScored == 4 || runsScored == 6;
    method GetBallNumber (line 25) | public int GetBallNumber() => ballNumber;
    method GetBowledBy (line 26) | public Player GetBowledBy() => bowledBy;
    method GetFacedBy (line 27) | public Player GetFacedBy() => facedBy;
    method GetRunsScored (line 28) | public int GetRunsScored() => runsScored;
    method GetWicket (line 29) | public Wicket GetWicket() => wicket;
    method GetExtraType (line 30) | public ExtraType? GetExtraType() => extraType;
    method GetCommentary (line 31) | public string GetCommentary() => commentary;
  class BallBuilder (line 34) | class BallBuilder
    method WithBallNumber (line 44) | public BallBuilder WithBallNumber(int number)
    method WithBowledBy (line 50) | public BallBuilder WithBowledBy(Player bowler)
    method WithFacedBy (line 56) | public BallBuilder WithFacedBy(Player batsman)
    method WithRuns (line 62) | public BallBuilder WithRuns(int runs)
    method WithWicket (line 68) | public BallBuilder WithWicket(Wicket w)
    method WithExtraType (line 74) | public BallBuilder WithExtraType(ExtraType extra)
    method WithCommentary (line 80) | public BallBuilder WithCommentary(string comm)
    method Build (line 86) | public Ball Build()

FILE: solutions/csharp/cricinfo/Models/Innings.cs
  class Innings (line 1) | class Innings
    method Innings (line 10) | public Innings(Team batting, Team bowling)
    method AddBall (line 29) | public void AddBall(Ball ball)
    method PrintPlayerStats (line 55) | public void PrintPlayerStats()
    method GetOvers (line 69) | public double GetOvers()
    method GetBattingTeam (line 79) | public Team GetBattingTeam() => battingTeam;
    method GetBowlingTeam (line 80) | public Team GetBowlingTeam() => bowlingTeam;
    method GetScore (line 81) | public int GetScore() => score;
    method GetWickets (line 82) | public int GetWickets() => wickets;
    method GetBalls (line 83) | public List<Ball> GetBalls() => balls;

FILE: solutions/csharp/cricinfo/Models/Match.cs
  class Match (line 1) | class Match
    method Match (line 14) | public Match(string matchId, Team t1, Team t2, IMatchFormatStrategy fo...
    method ProcessBall (line 26) | public void ProcessBall(Ball ball)
    method StartNextInnings (line 31) | public void StartNextInnings()
    method CreateNewInnings (line 36) | public void CreateNewInnings()
    method AddObserver (line 48) | public void AddObserver(IMatchObserver observer)
    method RemoveObserver (line 53) | public void RemoveObserver(IMatchObserver observer)
    method NotifyObservers (line 58) | public void NotifyObservers(Ball ball)
    method GetCurrentInnings (line 66) | public Innings GetCurrentInnings()
    method GetId (line 71) | public string GetId() => id;
    method GetTeam1 (line 72) | public Team GetTeam1() => team1;
    method GetTeam2 (line 73) | public Team GetTeam2() => team2;
    method GetFormatStrategy (line 74) | public IMatchFormatStrategy GetFormatStrategy() => formatStrategy;
    method GetInnings (line 75) | public List<Innings> GetInnings() => innings;
    method GetCurrentStatus (line 76) | public MatchStatus GetCurrentStatus() => currentStatus;
    method GetWinner (line 77) | public Team GetWinner() => winner;
    method GetResultMessage (line 78) | public string GetResultMessage() => resultMessage;
    method SetState (line 80) | public void SetState(IMatchState state) { currentState = state; }
    method SetCurrentStatus (line 81) | public void SetCurrentStatus(MatchStatus status) { currentStatus = sta...
    method SetWinner (line 82) | public void SetWinner(Team w) { winner = w; }
    method SetResultMessage (line 83) | public void SetResultMessage(string message) { resultMessage = message; }

FILE: solutions/csharp/cricinfo/Models/Player.cs
  class Player (line 1) | class Player
    method Player (line 8) | public Player(string playerId, string playerName, PlayerRole playerRole)
    method GetId (line 16) | public string GetId() => id;
    method GetName (line 17) | public string GetName() => name;
    method GetRole (line 18) | public PlayerRole GetRole() => role;
    method GetStats (line 19) | public PlayerStats GetStats() => stats;

FILE: solutions/csharp/cricinfo/Models/PlayerStats.cs
  class PlayerStats (line 1) | class PlayerStats
    method PlayerStats (line 7) | public PlayerStats()
    method UpdateRuns (line 14) | public void UpdateRuns(int runScored)
    method IncrementBallsPlayed (line 19) | public void IncrementBallsPlayed()
    method IncrementWickets (line 24) | public void IncrementWickets()
    method GetRuns (line 29) | public int GetRuns() => runs;
    method GetBallsPlayed (line 30) | public int GetBallsPlayed() => ballsPlayed;
    method GetWickets (line 31) | public int GetWickets() => wickets;
    method ToString (line 33) | public override string ToString()

FILE: solutions/csharp/cricinfo/Models/Team.cs
  class Team (line 1) | class Team
    method Team (line 7) | public Team(string teamId, string teamName, List<Player> teamPlayers)
    method GetId (line 14) | public string GetId() => id;
    method GetName (line 15) | public string GetName() => name;
    method GetPlayers (line 16) | public List<Player> GetPlayers() => players;

FILE: solutions/csharp/cricinfo/Models/Wicket.cs
  class Wicket (line 1) | class Wicket
    method Wicket (line 8) | public Wicket(WicketBuilder builder)
    method GetWicketType (line 16) | public WicketType GetWicketType() => wicketType;
    method GetPlayerOut (line 17) | public Player GetPlayerOut() => playerOut;
    method GetCaughtBy (line 18) | public Player GetCaughtBy() => caughtBy;
    method GetRunoutBy (line 19) | public Player GetRunoutBy() => runoutBy;
  class WicketBuilder (line 22) | class WicketBuilder
    method WicketBuilder (line 29) | public WicketBuilder(WicketType type, Player player)
    method WithCaughtBy (line 35) | public WicketBuilder WithCaughtBy(Player player)
    method WithRunoutBy (line 41) | public WicketBuilder WithRunoutBy(Player player)
    method Build (line 47) | public Wicket Build()

FILE: solutions/csharp/cricinfo/Observers/CommentaryDisplay.cs
  class CommentaryDisplay (line 1) | class CommentaryDisplay : IMatchObserver
    method Update (line 3) | public void Update(Match match, Ball lastBall)

FILE: solutions/csharp/cricinfo/Observers/IMatchObserver.cs
  type IMatchObserver (line 1) | interface IMatchObserver
    method Update (line 3) | void Update(Match match, Ball lastBall);

FILE: solutions/csharp/cricinfo/Observers/ScorecardDisplay.cs
  class ScorecardDisplay (line 1) | class ScorecardDisplay : IMatchObserver
    method Update (line 3) | public void Update(Match match, Ball lastBall)

FILE: solutions/csharp/cricinfo/Observers/UserNotifier.cs
  class UserNotifier (line 1) | class UserNotifier : IMatchObserver
    method Update (line 3) | public void Update(Match match, Ball lastBall)

FILE: solutions/csharp/cricinfo/Repositories/MatchRepository.cs
  class MatchRepository (line 1) | class MatchRepository
    method Save (line 5) | public void Save(Match match)
    method FindById (line 10) | public Match FindById(string id)

FILE: solutions/csharp/cricinfo/Repositories/PlayerRepository.cs
  class PlayerRepository (line 1) | class PlayerRepository
    method Save (line 5) | public void Save(Player player)
    method FindById (line 10) | public Player FindById(string id)

FILE: solutions/csharp/cricinfo/States/FinishedState.cs
  class FinishedState (line 1) | class FinishedState : IMatchState
    method ProcessBall (line 3) | public void ProcessBall(Match match, Ball ball)
    method StartNextInnings (line 8) | public void StartNextInnings(Match match)

FILE: solutions/csharp/cricinfo/States/IMatchState.cs
  type IMatchState (line 1) | interface IMatchState
    method ProcessBall (line 3) | void ProcessBall(Match match, Ball ball);
    method StartNextInnings (line 4) | void StartNextInnings(Match match);

FILE: solutions/csharp/cricinfo/States/InBreakState.cs
  class InBreakState (line 1) | class InBreakState : IMatchState
    method ProcessBall (line 3) | public void ProcessBall(Match match, Ball ball)
    method StartNextInnings (line 8) | public void StartNextInnings(Match match)

FILE: solutions/csharp/cricinfo/States/LiveState.cs
  class LiveState (line 1) | class LiveState : IMatchState
    method ProcessBall (line 3) | public void ProcessBall(Match match, Ball ball)
    method StartNextInnings (line 11) | public void StartNextInnings(Match match)
    method CheckForMatchEnd (line 16) | private void CheckForMatchEnd(Match match)
    method DeclareWinner (line 64) | private void DeclareWinner(Match match, Team winningTeam, string message)
    method IsInningsOver (line 76) | private bool IsInningsOver(Match match)

FILE: solutions/csharp/cricinfo/States/ScheduledState.cs
  class ScheduledState (line 1) | class ScheduledState : IMatchState
    method ProcessBall (line 3) | public void ProcessBall(Match match, Ball ball)
    method StartNextInnings (line 8) | public void StartNextInnings(Match match)

FILE: solutions/csharp/cricinfo/Strategy/IMatchFormatStrategy.cs
  type IMatchFormatStrategy (line 1) | interface IMatchFormatStrategy
    method GetTotalInnings (line 3) | int GetTotalInnings();
    method GetTotalOvers (line 4) | int GetTotalOvers();
    method GetFormatName (line 5) | string GetFormatName();

FILE: solutions/csharp/cricinfo/Strategy/ODIFormatStrategy.cs
  class ODIFormatStrategy (line 1) | class ODIFormatStrategy : IMatchFormatStrategy
    method GetTotalInnings (line 3) | public int GetTotalInnings() => 2;
    method GetTotalOvers (line 4) | public int GetTotalOvers() => 50;
    method GetFormatName (line 5) | public string GetFormatName() => "ODI";

FILE: solutions/csharp/cricinfo/Strategy/T20FormatStrategy.cs
  class T20FormatStrategy (line 1) | class T20FormatStrategy : IMatchFormatStrategy
    method GetTotalInnings (line 3) | public int GetTotalInnings() => 2;
    method GetTotalOvers (line 4) | public int GetTotalOvers() => 20;
    method GetFormatName (line 5) | public string GetFormatName() => "T20";

FILE: solutions/csharp/digitalwalletservice/Account.cs
  class Account (line 7) | public class Account
    method Account (line 16) | public Account(string id, User user, string accountNumber, Currency cu...
    method Deposit (line 26) | public void Deposit(decimal amount)
    method Withdraw (line 31) | public void Withdraw(decimal amount)
    method AddTransaction (line 43) | public void AddTransaction(Transaction transaction)
    method GetId (line 48) | public string GetId()
    method GetUser (line 53) | public User GetUser()
    method GetCurrency (line 58) | public Currency GetCurrency()
    method GetBalance (line 63) | public decimal GetBalance()
    method GetTransactions (line 68) | public List<Transaction> GetTransactions()

FILE: solutions/csharp/digitalwalletservice/BankAccount.cs
  class BankAccount (line 6) | public class BankAccount : PaymentMethod
    method BankAccount (line 11) | public BankAccount(string id, User user, string accountNumber, string ...
    method ProcessPayment (line 18) | public override bool ProcessPayment(decimal amount, Currency currency)

FILE: solutions/csharp/digitalwalletservice/CreditCard.cs
  class CreditCard (line 6) | public class CreditCard : PaymentMethod
    method CreditCard (line 12) | public CreditCard(string id, User user, string cardNumber, string expi...
    method ProcessPayment (line 20) | public override bool ProcessPayment(decimal amount, Currency currency)

FILE: solutions/csharp/digitalwalletservice/Currency.cs
  type Currency (line 3) | public enum Currency

FILE: solutions/csharp/digitalwalletservice/CurrencyConverter.cs
  class CurrencyConverter (line 7) | public class CurrencyConverter
    method Convert (line 17) | public static decimal Convert(decimal amount, Currency sourceCurrency,...

FILE: solutions/csharp/digitalwalletservice/DigitalWallet.cs
  class DigitalWallet (line 8) | public class DigitalWallet
    method DigitalWallet (line 15) | private DigitalWallet()
    method GetInstance (line 22) | public static DigitalWallet GetInstance()
    method CreateUser (line 31) | public void CreateUser(User user)
    method GetUser (line 36) | public User GetUser(string userId)
    method CreateAccount (line 41) | public void CreateAccount(Account account)
    method GetAccount (line 47) | public Account GetAccount(string accountId)
    method AddPaymentMethod (line 52) | public void AddPaymentMethod(PaymentMethod paymentMethod)
    method GetPaymentMethod (line 57) | public PaymentMethod GetPaymentMethod(string paymentMethodId)
    method TransferFunds (line 62) | public void TransferFunds(Account sourceAccount, Account destinationAc...
    method GetTransactionHistory (line 82) | public List<Transaction> GetTransactionHistory(Account account)
    method GenerateTransactionId (line 87) | private string GenerateTransactionId()

FILE: solutions/csharp/digitalwalletservice/DigitalWalletDemo.cs
  class DigitalWalletDemo (line 7) | public class DigitalWalletDemo
    method Run (line 9) | public static void Run()

FILE: solutions/csharp/digitalwalletservice/InsufficientFundsException.cs
  class InsufficientFundsException (line 5) | public class InsufficientFundsException : Exception
    method InsufficientFundsException (line 7) | public InsufficientFundsException(string message) : base(message) { }

FILE: solutions/csharp/digitalwalletservice/PaymentMethod.cs
  class PaymentMethod (line 6) | public abstract class PaymentMethod
    method PaymentMethod (line 11) | protected PaymentMethod(string id, User user)
    method ProcessPayment (line 17) | public abstract bool ProcessPayment(decimal amount, Currency currency);
    method GetId (line 19) | public string GetId()
    method GetUser (line 24) | public User GetUser()

FILE: solutions/csharp/digitalwalletservice/Transaction.cs
  class Transaction (line 6) | public class Transaction
    method Transaction (line 15) | public Transaction(string id, Account sourceAccount, Account destinati...
    method GetId (line 25) | public string GetId()
    method GetSourceAccount (line 30) | public Account GetSourceAccount()
    method GetDestinationAccount (line 35) | public Account GetDestinationAccount()
    method GetAmount (line 40) | public decimal GetAmount()
    method GetCurrency (line 45) | public Currency GetCurrency()
    method GetTimestamp (line 50) | public DateTime GetTimestamp()

FILE: solutions/csharp/digitalwalletservice/User.cs
  class User (line 6) | public class User
    method User (line 14) | public User(string id, string name, string email, string password)
    method AddAccount (line 23) | public void AddAccount(Account account)
    method RemoveAccount (line 28) | public void RemoveAccount(Account account)
    method GetId (line 33) | public string GetId()

FILE: solutions/csharp/elevatorsystem/ElevatorSystem.cs
  class ElevatorSystem (line 1) | class ElevatorSystem
    method ElevatorSystem (line 10) | private ElevatorSystem(int numElevators)
    method GetInstance (line 28) | public static ElevatorSystem GetInstance(int numElevators)
    method Start (line 43) | public void Start()
    method RequestElevator (line 54) | public void RequestElevator(int floor, Direction direction)
    method SelectFloor (line 73) | public void SelectFloor(int elevatorId, int destinationFloor)
    method Shutdown (line 88) | public void Shutdown()

FILE: solutions/csharp/elevatorsystem/ElevatorSystemDemo.cs
  class ElevatorSystemDemo (line 7) | public class ElevatorSystemDemo
    method Main (line 9) | public static void Main(string[] args)

FILE: solutions/csharp/elevatorsystem/Enums/Direction.cs
  type Direction (line 1) | enum Direction

FILE: solutions/csharp/elevatorsystem/Enums/RequestSource.cs
  type RequestSource (line 1) | enum RequestSource

FILE: solutions/csharp/elevatorsystem/Models/Elevator.cs
  class Elevator (line 1) | class Elevator
    method Elevator (line 15) | public Elevator(int id)
    method AddObserver (line 25) | public void AddObserver(IElevatorObserver observer)
    method NotifyObservers (line 31) | public void NotifyObservers()
    method SetState (line 40) | public void SetState(IElevatorState state)
    method Move (line 46) | public void Move()
    method AddRequest (line 52) | public void AddRequest(Request request)
    method GetId (line 62) | public int GetId() => id;
    method GetCurrentFloor (line 64) | public int GetCurrentFloor()
    method SetCurrentFloor (line 72) | public void SetCurrentFloor(int floor)
    method GetDirection (line 81) | public Direction GetDirection() => state.GetDirection();
    method GetUpRequests (line 82) | public SortedSet<int> GetUpRequests() => upRequests;
    method GetDownRequests (line 83) | public SortedSet<int> GetDownRequests() => downRequests;
    method IsRunning (line 84) | public bool IsRunning() => isRunning;
    method StopElevator (line 85) | public void StopElevator() => isRunning = false;
    method Run (line 87) | public void Run()

FILE: solutions/csharp/elevatorsystem/Models/Request.cs
  class Request (line 1) | class Request
    method Request (line 7) | public Request(int targetFloor, Direction direction, RequestSource sou...
    method GetTargetFloor (line 14) | public int GetTargetFloor() => targetFloor;
    method GetDirection (line 15) | public Direction GetDirection() => direction;
    method GetSource (line 16) | public RequestSource GetSource() => source;
    method ToString (line 18) | public override string ToString()

FILE: solutions/csharp/elevatorsystem/Observer/Display.cs
  class Display (line 1) | class Display : IElevatorObserver
    method Update (line 3) | public void Update(Elevator elevator)

FILE: solutions/csharp/elevatorsystem/Observer/IElevatorObserver.cs
  type IElevatorObserver (line 1) | interface IElevatorObserver
    method Update (line 3) | void Update(Elevator elevator);

FILE: solutions/csharp/elevatorsystem/States/IElevatorState.cs
  type IElevatorState (line 1) | interface IElevatorState
    method Move (line 3) | void Move(Elevator elevator);
    method AddRequest (line 4) | void AddRequest(Elevator elevator, Request request);
    method GetDirection (line 5) | Direction GetDirection();

FILE: solutions/csharp/elevatorsystem/States/IdleState.cs
  class IdleState (line 1) | class IdleState : IElevatorState
    method Move (line 3) | public void Move(Elevator elevator)
    method AddRequest (line 16) | public void AddRequest(Elevator elevator, Request request)
    method GetDirection (line 29) | public Direction GetDirection() => Direction.IDLE;

FILE: solutions/csharp/elevatorsystem/States/MovingDownState.cs
  class MovingDownState (line 1) | class MovingDownState : IElevatorState
    method Move (line 3) | public void Move(Elevator elevator)
    method AddRequest (line 26) | public void AddRequest(Elevator elevator, Request request)
    method GetDirection (line 53) | public Direction GetDirection() => Direction.DOWN;

FILE: solutions/csharp/elevatorsystem/States/MovingUpState.cs
  class MovingUpState (line 1) | class MovingUpState : IElevatorState
    method Move (line 3) | public void Move(Elevator elevator)
    method AddRequest (line 26) | public void AddRequest(Elevator elevator, Request request)
    method GetDirection (line 53) | public Direction GetDirection() => Direction.UP;

FILE: solutions/csharp/elevatorsystem/Strategy/IElevatorSelectionStrategy.cs
  type IElevatorSelectionStrategy (line 1) | interface IElevatorSelectionStrategy
    method SelectElevator (line 3) | Elevator SelectElevator(List<Elevator> elevators, Request request);

FILE: solutions/csharp/elevatorsystem/Strategy/NearestElevatorStrategy.cs
  class NearestElevatorStrategy (line 1) | class NearestElevatorStrategy : IElevatorSelectionStrategy
    method SelectElevator (line 3) | public Elevator SelectElevator(List<Elevator> elevators, Request request)
    method IsSuitable (line 23) | private bool IsSuitable(Elevator elevator, Request request)

FILE: solutions/csharp/fooddeliveryservice/Enums/OrderStatus.cs
  type OrderStatus (line 1) | enum OrderStatus

FILE: solutions/csharp/fooddeliveryservice/FoodDeliveryService.cs
  class FoodDeliveryService (line 3) | class FoodDeliveryService
    method FoodDeliveryService (line 13) | private FoodDeliveryService() { }
    method GetInstance (line 15) | public static FoodDeliveryService GetInstance()
    method SetAssignmentStrategy (line 28) | public void SetAssignmentStrategy(IDeliveryAssignmentStrategy assignme...
    method RegisterCustomer (line 33) | public Customer RegisterCustomer(string name, string phone, Address ad...
    method RegisterRestaurant (line 40) | public Restaurant RegisterRestaurant(string name, Address address)
    method RegisterDeliveryAgent (line 47) | public DeliveryAgent RegisterDeliveryAgent(string name, string phone, ...
    method PlaceOrder (line 54) | public Order PlaceOrder(string customerId, string restaurantId, List<O...
    method UpdateOrderStatus (line 70) | public void UpdateOrderStatus(string orderId, OrderStatus newStatus)
    method CancelOrder (line 85) | public void CancelOrder(string orderId)
    method AssignDelivery (line 103) | private void AssignDelivery(Order order)
    method SearchRestaurants (line 121) | public List<Restaurant> SearchRestaurants(List<IRestaurantSearchStrate...
    method GetRestaurantMenu (line 133) | public Menu GetRestaurantMenu(string restaurantId)

FILE: solutions/csharp/fooddeliveryservice/FoodDeliveryServiceDemo.cs
  class FoodDeliveryServiceDemo (line 6) | public class FoodDeliveryServiceDemo
    method Main (line 8) | public static void Main(string[] args)

FILE: solutions/csharp/fooddeliveryservice/Models/Address.cs
  class Address (line 1) | class Address
    method Address (line 9) | public Address(string street, string city, string zipCode, double lati...
    method GetCity (line 18) | public string GetCity()
    method DistanceTo (line 23) | public double DistanceTo(Address other)
    method ToString (line 30) | public override string ToString()

FILE: solutions/csharp/fooddeliveryservice/Models/Customer.cs
  class Customer (line 1) | class Customer : User
    method Customer (line 6) | public Customer(string name, string phone, Address address) : base(nam...
    method AddOrderToHistory (line 11) | public void AddOrderToHistory(Order order)
    method GetAddress (line 16) | public Address GetAddress()
    method OnUpdate (line 21) | public override void OnUpdate(Order order)

FILE: solutions/csharp/fooddeliveryservice/Models/DeliveryAgent.cs
  class DeliveryAgent (line 1) | class DeliveryAgent : User
    method DeliveryAgent (line 7) | public DeliveryAgent(string name, string phone, Address currentLocatio...
    method SetAvailable (line 12) | public void SetAvailable(bool available)
    method IsAvailableAgent (line 17) | public bool IsAvailableAgent()
    method SetCurrentLocation (line 22) | public void SetCurrentLocation(Address currentLocation)
    method GetCurrentLocation (line 30) | public Address GetCurrentLocation()
    method OnUpdate (line 38) | public override void OnUpdate(Order order)

FILE: solutions/csharp/fooddeliveryservice/Models/Menu.cs
  class Menu (line 1) | class Menu
    method AddItem (line 5) | public void AddItem(MenuItem item)
    method GetItem (line 10) | public MenuItem GetItem(string id)
    method GetItems (line 15) | public Dictionary<string, MenuItem> GetItems()

FILE: solutions/csharp/fooddeliveryservice/Models/MenuItem.cs
  class MenuItem (line 1) | class MenuItem
    method MenuItem (line 8) | public MenuItem(string id, string name, double price)
    method GetId (line 16) | public string GetId() { return id; }
    method SetAvailable (line 17) | public void SetAvailable(bool available) { this.available = available; }
    method GetName (line 18) | public string GetName() { return name; }
    method GetPrice (line 19) | public double GetPrice() { return price; }
    method GetMenuItem (line 21) | public string GetMenuItem()

FILE: solutions/csharp/fooddeliveryservice/Models/Order.cs
  class Order (line 1) | class Order
    method Order (line 11) | public Order(Customer customer, Restaurant restaurant, List<OrderItem>...
    method AddObserver (line 22) | public void AddObserver(IOrderObserver observer)
    method NotifyObservers (line 27) | private void NotifyObservers()
    method SetStatus (line 35) | public void SetStatus(OrderStatus newStatus)
    method Cancel (line 44) | public bool Cancel()
    method AssignDeliveryAgent (line 54) | public void AssignDeliveryAgent(DeliveryAgent agent)
    method GetId (line 61) | public string GetId() { return id; }
    method GetStatus (line 62) | public OrderStatus GetStatus() { return status; }
    method GetCustomer (line 63) | public Customer GetCustomer() { return customer; }
    method GetRestaurant (line 64) | public Restaurant GetRestaurant() { return restaurant; }
    method GetDeliveryAgent (line 65) | public DeliveryAgent GetDeliveryAgent() { return deliveryAgent; }

FILE: solutions/csharp/fooddeliveryservice/Models/OrderItem.cs
  class OrderItem (line 1) | class OrderItem
    method OrderItem (line 6) | public OrderItem(MenuItem item, int quantity)
    method GetItem (line 12) | public MenuItem GetItem() { return item; }
    method GetQuantity (line 13) | public int GetQuantity() { return quantity; }

FILE: solutions/csharp/fooddeliveryservice/Models/Restaurant.cs
  class Restaurant (line 1) | class Restaurant : IOrderObserver
    method Restaurant (line 8) | public Restaurant(string name, Address address)
    method AddToMenu (line 16) | public void AddToMenu(MenuItem item)
    method GetId (line 21) | public string GetId() { return id; }
    method GetName (line 22) | public string GetName() { return name; }
    method GetAddress (line 23) | public Address GetAddress() { return address; }
    method GetMenu (line 24) | public Menu GetMenu() { return menu; }
    method OnUpdate (line 26) | public void OnUpdate(Order order)

FILE: solutions/csharp/fooddeliveryservice/Models/User.cs
  class User (line 1) | abstract class User : IOrderObserver
    method User (line 7) | public User(string name, string phone)
    method GetId (line 14) | public string GetId() { return id; }
    method GetName (line 15) | public string GetName() { return name; }
    method OnUpdate (line 17) | public abstract void OnUpdate(Order order);

FILE: solutions/csharp/fooddeliveryservice/Observer/IOrderObserver.cs
  type IOrderObserver (line 1) | interface IOrderObserver
    method OnUpdate (line 3) | void OnUpdate(Order order);

FILE: solutions/csharp/fooddeliveryservice/Strategies/assignment/IDeliveryAssignmentStrategy.cs
  type IDeliveryAssignmentStrategy (line 1) | interface IDeliveryAssignmentStrategy
    method FindAgent (line 3) | DeliveryAgent FindAgent(Order order, List<DeliveryAgent> agents);

FILE: solutions/csharp/fooddeliveryservice/Strategies/assignment/NearestAvailableAgentStrategy.cs
  class NearestAvailableAgentStrategy (line 1) | class NearestAvailableAgentStrategy : IDeliveryAssignmentStrategy
    method FindAgent (line 3) | public DeliveryAgent FindAgent(Order order, List<DeliveryAgent> availa...
    method CalculateTotalDistance (line 14) | private double CalculateTotalDistance(DeliveryAgent agent, Address res...

FILE: solutions/csharp/fooddeliveryservice/Strategies/search/IRestaurantSearchStrategy.cs
  type IRestaurantSearchStrategy (line 1) | interface IRestaurantSearchStrategy
    method Filter (line 3) | List<Restaurant> Filter(List<Restaurant> allRestaurants);

FILE: solutions/csharp/fooddeliveryservice/Strategies/search/SearchByCityStrategy.cs
  class SearchByCityStrategy (line 1) | class SearchByCityStrategy : IRestaurantSearchStrategy
    method SearchByCityStrategy (line 5) | public SearchByCityStrategy(string city)
    method Filter (line 10) | public List<Restaurant> Filter(List<Restaurant> allRestaurants)

FILE: solutions/csharp/fooddeliveryservice/Strategies/search/SearchByMenuKeywordStrategy.cs
  class SearchByMenuKeywordStrategy (line 1) | class SearchByMenuKeywordStrategy : IRestaurantSearchStrategy
    method SearchByMenuKeywordStrategy (line 5) | public SearchByMenuKeywordStrategy(string keyword)
    method Filter (line 10) | public List<Restaurant> Filter(List<Restaurant> allRestaurants)

FILE: solutions/csharp/fooddeliveryservice/Strategies/search/SearchByProximityStrategy.cs
  class SearchByProximityStrategy (line 1) | class SearchByProximityStrategy : IRestaurantSearchStrategy
    method SearchByProximityStrategy (line 6) | public SearchByProximityStrategy(Address userLocation, double maxDista...
    method Filter (line 12) | public List<Restaurant> Filter(List<Restaurant> allRestaurants)

FILE: solutions/csharp/hotelmanagementsystem/CashPayment.cs
  class CashPayment (line 3) | public class CashPayment : Payment
    method ProcessPayment (line 5) | public bool ProcessPayment(double amount)

FILE: solutions/csharp/hotelmanagementsystem/CreditCardPayment.cs
  class CreditCardPayment (line 3) | public class CreditCardPayment : Payment
    method ProcessPayment (line 5) | public bool ProcessPayment(double amount)

FILE: solutions/csharp/hotelmanagementsystem/Guest.cs
  class Guest (line 3) | public class Guest
    method Guest (line 10) | public Guest(string id, string name, string email, string phoneNumber)

FILE: solutions/csharp/hotelmanagementsystem/HotelManagementSystem.cs
  class HotelManagementSystem (line 8) | public class HotelManagementSystem
    method HotelManagementSystem (line 15) | private HotelManagementSystem()
    method AddGuest (line 34) | public void AddGuest(Guest guest)
    method GetGuest (line 39) | public Guest GetGuest(string guestId)
    method AddRoom (line 45) | public void AddRoom(Room room)
    method GetRoom (line 50) | public Room GetRoom(string roomId)
    method BookRoom (line 56) | public Reservation BookRoom(Guest guest, Room room, DateTime checkInDa...
    method CancelReservation (line 72) | public void CancelReservation(string reservationId)
    method CheckIn (line 84) | public void CheckIn(string reservationId)
    method CheckOut (line 99) | public void CheckOut(string reservationId, Payment payment)
    method GenerateReservationId (line 124) | private string GenerateReservationId()

FILE: solutions/csharp/hotelmanagementsystem/HotelManagementSystemDemo.cs
  class HotelManagementSystemDemo (line 5) | public class HotelManagementSystemDemo
    method Run (line 7) | public static void Run()

FILE: solutions/csharp/hotelmanagementsystem/Payment.cs
  type Payment (line 3) | public interface Payment
    method ProcessPayment (line 5) | bool ProcessPayment(double amount);

FILE: solutions/csharp/hotelmanagementsystem/Reservation.cs
  class Reservation (line 5) | public class Reservation
    method Reservation (line 14) | public Reservation(string id, Guest guest, Room room, DateTime checkIn...
    method Cancel (line 24) | public void Cancel()

FILE: solutions/csharp/hotelmanagementsystem/ReservationStatus.cs
  type ReservationStatus (line 3) | public enum ReservationStatus

FILE: solutions/csharp/hotelmanagementsystem/Room.cs
  class Room (line 3) | public class Room
    method Room (line 10) | public Room(string id, RoomType type, double price)
    method Book (line 18) | public void Book()
    method CheckIn (line 30) | public void CheckIn()
    method CheckOut (line 42) | public void CheckOut()

FILE: solutions/csharp/hotelmanagementsystem/RoomStatus.cs
  type RoomStatus (line 3) | public enum RoomStatus

FILE: solutions/csharp/hotelmanagementsystem/RoomType.cs
  type RoomType (line 3) | public enum RoomType

FILE: solutions/csharp/librarymanagementsystem/Enum/ItemType.cs
  type ItemType (line 1) | enum ItemType

FILE: solutions/csharp/librarymanagementsystem/Factory/ItemFactory.cs
  class ItemFactory (line 1) | class ItemFactory
    method CreateItem (line 3) | public static LibraryItem CreateItem(ItemType type, string id, string ...

FILE: solutions/csharp/librarymanagementsystem/LibraryManagementSystem.cs
  class LibraryManagementSystem (line 1) | class LibraryManagementSystem
    method LibraryManagementSystem (line 8) | private LibraryManagementSystem() { }
    method GetInstance (line 9) | public static LibraryManagementSystem GetInstance() { return instance; }
    method AddItem (line 11) | public List<BookCopy> AddItem(ItemType type, string id, string title, ...
    method AddMember (line 29) | public Member AddMember(string id, string name)
    method Checkout (line 36) | public void Checkout(string memberId, string copyId)
    method ReturnItem (line 48) | public void ReturnItem(string copyId)
    method PlaceHold (line 60) | public void PlaceHold(string memberId, string itemId)
    method Search (line 69) | public List<LibraryItem> Search(string query, ISearchStrategy strategy)
    method PrintCatalog (line 74) | public void PrintCatalog()

FILE: solutions/csharp/librarymanagementsystem/LibraryManagementSystemDemo.cs
  class LibraryManagementDemo (line 5) | public class LibraryManagementDemo
    method Main (line 7) | public static void Main(string[] args)

FILE: solutions/csharp/librarymanagementsystem/Models/Book.cs
  class Book (line 1) | class Book : LibraryItem
    method Book (line 5) | public Book(string id, string title, string author) : base(id, title)
    method GetAuthorOrPublisher (line 10) | public override string GetAuthorOrPublisher() { return author; }

FILE: solutions/csharp/librarymanagementsystem/Models/BookCopy.cs
  class BookCopy (line 1) | class BookCopy
    method BookCopy (line 7) | public BookCopy(string id, LibraryItem item)
    method Checkout (line 15) | public void Checkout(Member member) { currentState.Checkout(this, memb...
    method ReturnItem (line 16) | public void ReturnItem() { currentState.ReturnItem(this); }
    method PlaceHold (line 17) | public void PlaceHold(Member member) { currentState.PlaceHold(this, me...
    method SetState (line 19) | public void SetState(IItemState state) { this.currentState = state; }
    method GetId (line 20) | public string GetId() { return id; }
    method GetItem (line 21) | public LibraryItem GetItem() { return item; }
    method IsAvailable (line 22) | public bool IsAvailable() { return currentState is AvailableState; }

FILE: solutions/csharp/librarymanagementsystem/Models/LibraryItem.cs
  class LibraryItem (line 1) | abstract class LibraryItem
    method LibraryItem (line 8) | public LibraryItem(string id, string title)
    method AddCopy (line 14) | public void AddCopy(BookCopy copy) { copies.Add(copy); }
    method AddObserver (line 15) | public void AddObserver(Member member) { observers.Add(member); }
    method RemoveObserver (line 16) | public void RemoveObserver(Member member) { observers.Remove(member); }
    method NotifyObservers (line 18) | public void NotifyObservers()
    method GetAvailableCopy (line 28) | public BookCopy GetAvailableCopy()
    method GetId (line 33) | public string GetId() { return id; }
    method GetTitle (line 34) | public string GetTitle() { return title; }
    method GetCopies (line 35) | public List<BookCopy> GetCopies() { return copies; }
    method GetAuthorOrPublisher (line 37) | public abstract string GetAuthorOrPublisher();
    method GetAvailableCopyCount (line 39) | public long GetAvailableCopyCount()
    method HasObservers (line 44) | public bool HasObservers() { return observers.Count > 0; }
    method IsObserver (line 45) | public bool IsObserver(Member member) { return observers.Contains(memb...

FILE: solutions/csharp/librarymanagementsystem/Models/Loan.cs
  class Loan (line 1) | class Loan
    method Loan (line 7) | public Loan(BookCopy copy, Member member)
    method GetCopy (line 14) | public BookCopy GetCopy() { return copy; }
    method GetMember (line 15) | public Member GetMember() { return member; }

FILE: solutions/csharp/librarymanagementsystem/Models/Magazine.cs
  class Magazine (line 1) | class Magazine : LibraryItem
    method Magazine (line 5) | public Magazine(string id, string title, string publisher) : base(id, ...
    method GetAuthorOrPublisher (line 10) | public override string GetAuthorOrPublisher() { return publisher; }

FILE: solutions/csharp/librarymanagementsystem/Models/Member.cs
  class Member (line 1) | class Member
    method Member (line 7) | public Member(string id, string name)
    method Update (line 13) | public void Update(LibraryItem item)
    method AddLoan (line 18) | public void AddLoan(Loan loan) { loans.Add(loan); }
    method RemoveLoan (line 19) | public void RemoveLoan(Loan loan) { loans.Remove(loan); }
    method GetId (line 20) | public string GetId() { return id; }
    method GetName (line 21) | public string GetName() { return name; }
    method GetLoans (line 22) | public List<Loan> GetLoans() { return loans; }

FILE: solutions/csharp/librarymanagementsystem/Models/TransactionService.cs
  class TransactionService (line 1) | class TransactionService
    method TransactionService (line 6) | private TransactionService() { }
    method GetInstance (line 7) | public static TransactionService GetInstance() { return instance; }
    method CreateLoan (line 9) | public void CreateLoan(BookCopy copy, Member member)
    method EndLoan (line 21) | public void EndLoan(BookCopy copy)

FILE: solutions/csharp/librarymanagementsystem/States/AvailableState.cs
  class AvailableState (line 1) | class AvailableState : IItemState
    method Checkout (line 3) | public void Checkout(BookCopy copy, Member member)
    method ReturnItem (line 10) | public void ReturnItem(BookCopy copy)
    method PlaceHold (line 15) | public void PlaceHold(BookCopy copy, Member member)

FILE: solutions/csharp/librarymanagementsystem/States/CheckedOutState.cs
  class CheckedOutState (line 1) | class CheckedOutState : IItemState
    method Checkout (line 3) | public void Checkout(BookCopy copy, Member member)
    method ReturnItem (line 8) | public void ReturnItem(BookCopy copy)
    method PlaceHold (line 24) | public void PlaceHold(BookCopy copy, Member member)

FILE: solutions/csharp/librarymanagementsystem/States/IItemState.cs
  type IItemState (line 1) | interface IItemState
    method Checkout (line 3) | void Checkout(BookCopy copy, Member member);
    method ReturnItem (line 4) | void ReturnItem(BookCopy copy);
    method PlaceHold (line 5) | void PlaceHold(BookCopy copy, Member member);

FILE: solutions/csharp/librarymanagementsystem/States/OnHoldState.cs
  class OnHoldState (line 1) | class OnHoldState : IItemState
    method Checkout (line 3) | public void Checkout(BookCopy copy, Member member)
    method ReturnItem (line 18) | public void ReturnItem(BookCopy copy)
    method PlaceHold (line 23) | public void PlaceHold(BookCopy copy, Member member)

FILE: solutions/csharp/librarymanagementsystem/Strategy/ISearchStrategy.cs
  type ISearchStrategy (line 1) | interface ISearchStrategy
    method Search (line 3) | List<LibraryItem> Search(string query, List<LibraryItem> items);

FILE: solutions/csharp/librarymanagementsystem/Strategy/SearchByAuthorStrategy.cs
  class SearchByAuthorStrategy (line 1) | class SearchByAuthorStrategy : ISearchStrategy
    method Search (line 3) | public List<LibraryItem> Search(string query, List<LibraryItem> items)

FILE: solutions/csharp/librarymanagementsystem/Strategy/SearchByTitleStrategy.cs
  class SearchByTitleStrategy (line 1) | class SearchByTitleStrategy : ISearchStrategy
    method Search (line 3) | public List<LibraryItem> Search(string query, List<LibraryItem> items)

FILE: solutions/csharp/linkedIn/Enums/ConnectionStatus.cs
  type ConnectionStatus (line 1) | enum ConnectionStatus

FILE: solutions/csharp/linkedIn/Enums/NotificationType.cs
  type NotificationType (line 1) | enum NotificationType

FILE: solutions/csharp/linkedIn/LinkedInDemo.cs
  class LinkedInDemo (line 6) | public class LinkedInDemo
    method Main (line 8) | public static void Main(string[] args)

FILE: solutions/csharp/linkedIn/LinkedInSystem.cs
  class LinkedInSystem (line 1) | class LinkedInSystem
    method LinkedInSystem (line 11) | private LinkedInSystem()
    method GetInstance (line 18) | public static LinkedInSystem GetInstance()
    method RegisterMember (line 33) | public void RegisterMember(Member member)
    method GetMember (line 39) | public Member GetMember(string name)
    method SendConnectionRequest (line 44) | public string SendConnectionRequest(Member from, Member to)
    method AcceptConnectionRequest (line 49) | public void AcceptConnectionRequest(string requestId)
    method CreatePost (line 54) | public void CreatePost(string memberId, string content)
    method GetLatestPostByMember (line 62) | public Post GetLatestPostByMember(string memberId)
    method ViewNewsFeed (line 68) | public void ViewNewsFeed(string memberId)
    method SearchMemberByName (line 75) | public List<Member> SearchMemberByName(string name)

FILE: solutions/csharp/linkedIn/Models/Comment.cs
  class Comment (line 1) | class Comment
    method Comment (line 7) | public Comment(Member author, string text)
    method GetAuthor (line 14) | public Member GetAuthor() { return author; }
    method GetText (line 15) | public string GetText() { return text; }

FILE: solutions/csharp/linkedIn/Models/Connection.cs
  class Connection (line 1) | class Connection
    method Connection (line 9) | public Connection(Member fromMember, Member toMember)
    method GetFromMember (line 17) | public Member GetFromMember() { return fromMember; }
    method GetToMember (line 18) | public Member GetToMember() { return toMember; }
    method GetStatus (line 19) | public ConnectionStatus GetStatus() { return status; }
    method SetStatus (line 21) | public void SetStatus(ConnectionStatus status)

FILE: solutions/csharp/linkedIn/Models/Education.cs
  class Education (line 1) | class Education
    method Education (line 8) | public Education(string school, string degree, int startYear, int endY...
    method ToString (line 16) | public override string ToString()

FILE: solutions/csharp/linkedIn/Models/Experience.cs
  class Experience (line 1) | class Experience
    method Experience (line 8) | public Experience(string title, string company, string startDate, stri...
    method ToString (line 16) | public override string ToString()

FILE: solutions/csharp/linkedIn/Models/Like.cs
  class Like (line 1) | class Like
    method Like (line 6) | public Like(Member member)
    method GetMember (line 12) | public Member GetMember() { return member; }

FILE: solutions/csharp/linkedIn/Models/Member.cs
  class Member (line 1) | class Member : INotificationObserver
    method Member (line 10) | public Member(string id, string name, string email, Profile profile)
    method GetId (line 18) | public string GetId() { return id; }
    method GetName (line 19) | public string GetName() { return name; }
    method GetEmail (line 20) | public string GetEmail() { return email; }
    method GetConnections (line 21) | public HashSet<Member> GetConnections() { return connections; }
    method GetProfile (line 22) | public Profile GetProfile() { return profile; }
    method AddConnection (line 24) | public void AddConnection(Member member)
    method DisplayProfile (line 29) | public void DisplayProfile()
    method ViewNotifications (line 36) | public void ViewNotifications()
    method Update (line 54) | public void Update(Notification notification)
  class MemberBuilder (line 61) | class MemberBuilder
    method MemberBuilder (line 68) | public MemberBuilder(string name, string email)
    method WithSummary (line 75) | public MemberBuilder WithSummary(string summary)
    method AddExperience (line 81) | public MemberBuilder AddExperience(Experience experience)
    method AddEducation (line 87) | public MemberBuilder AddEducation(Education education)
    method Build (line 93) | public Member Build()

FILE: solutions/csharp/linkedIn/Models/NewsFeed.cs
  class NewsFeed (line 1) | class NewsFeed
    method NewsFeed (line 5) | public NewsFeed(List<Post> posts)
    method Display (line 10) | public void Display(IFeedSortingStrategy strategy)

FILE: solutions/csharp/linkedIn/Models/Notification.cs
  class Notification (line 1) | class Notification
    method Notification (line 10) | public Notification(string memberId, NotificationType type, string con...
    method GetContent (line 19) | public string GetContent() { return content; }
    method MarkAsRead (line 20) | public void MarkAsRead() { isRead = true; }
    method IsRead (line 21) | public bool IsRead() { return isRead; }

FILE: solutions/csharp/linkedIn/Models/Post.cs
  class Post (line 1) | class Post : Subject
    method Post (line 10) | public Post(Member author, string content)
    method AddLike (line 19) | public void AddLike(Member member)
    method AddComment (line 27) | public void AddComment(Member member, string text)
    method GetId (line 35) | public string GetId() { return id; }
    method GetAuthor (line 36) | public Member GetAuthor() { return author; }
    method GetContent (line 37) | public string GetContent() { return content; }
    method GetCreatedAt (line 38) | public DateTime GetCreatedAt() { return createdAt; }
    method GetLikes (line 39) | public List<Like> GetLikes() { return likes; }
    method GetComments (line 40) | public List<Comment> GetComments() { return comments; }

FILE: solutions/csharp/linkedIn/Models/Profile.cs
  class Profile (line 1) | class Profile
    method SetSummary (line 7) | public void SetSummary(string summary) { this.summary = summary; }
    method AddExperience (line 8) | public void AddExperience(Experience experience) { experiences.Add(exp...
    method AddEducation (line 9) | public void AddEducation(Education education) { educations.Add(educati...
    method Display (line 11) | public void Display()

FILE: solutions/csharp/linkedIn/Observer/INotificationObserver.cs
  type INotificationObserver (line 1) | interface INotificationObserver
    method Update (line 3) | void Update(Notification notification);

FILE: solutions/csharp/linkedIn/Observer/Subject.cs
  class Subject (line 1) | abstract class Subject
    method AddObserver (line 5) | public void AddObserver(INotificationObserver observer)
    method RemoveObserver (line 10) | public void RemoveObserver(INotificationObserver observer)
    method NotifyObservers (line 15) | public void NotifyObservers(Notification notification)

FILE: solutions/csharp/linkedIn/Services/ConnectionService.cs
  class ConnectionService (line 1) | class ConnectionService
    method ConnectionService (line 7) | public ConnectionService(NotificationService notificationService)
    method SendRequest (line 12) | public string SendRequest(Member from, Member to)
    method AcceptRequest (line 34) | public void AcceptRequest(string requestId)

FILE: solutions/csharp/linkedIn/Services/NewsFeedService.cs
  class NewsFeedService (line 1) | class NewsFeedService
    method AddPost (line 6) | public void AddPost(Member member, Post post)
    method GetMemberPosts (line 18) | public List<Post> GetMemberPosts(Member member)
    method DisplayFeedForMember (line 26) | public void DisplayFeedForMember(Member member, IFeedSortingStrategy f...

FILE: solutions/csharp/linkedIn/Services/NotificationService.cs
  class NotificationService (line 1) | class NotificationService
    method SendNotification (line 3) | public void SendNotification(Member member, Notification notification)

FILE: solutions/csharp/linkedIn/Services/SearchService.cs
  class SearchService (line 1) | class SearchService
    method SearchService (line 5) | public SearchService(ICollection<Member> members)
    method SearchByName (line 10) | public List<Member> SearchByName(string name)

FILE: solutions/csharp/linkedIn/Strategy/ChronologicalSortStrategy.cs
  class ChronologicalSortStrategy (line 1) | class ChronologicalSortStrategy : IFeedSortingStrategy
    method Sort (line 3) | public List<Post> Sort(List<Post> posts)

FILE: solutions/csharp/linkedIn/Strategy/IFeedSortingStrategy.cs
  type IFeedSortingStrategy (line 1) | interface IFeedSortingStrategy
    method Sort (line 3) | List<Post> Sort(List<Post> posts);

FILE: solutions/csharp/loggingframework/Appenders/ConsoleAppender.cs
  class ConsoleAppender (line 1) | class ConsoleAppender : ILogAppender
    method ConsoleAppender (line 5) | public ConsoleAppender()
    method Append (line 10) | public void Append(LogMessage logMessage)
    method Close (line 15) | public void Close() { }
    method SetFormatter (line 17) | public void SetFormatter(ILogFormatter formatter)
    method GetFormatter (line 22) | public ILogFormatter GetFormatter()

FILE: solutions/csharp/loggingframework/Appenders/FileAppender.cs
  class FileAppender (line 1) | class FileAppender : ILogAppender
    method FileAppender (line 7) | public FileAppender(string filePath)
    method Append (line 21) | public void Append(LogMessage logMessage)
    method Close (line 40) | public void Close()
    method SetFormatter (line 55) | public void SetFormatter(ILogFormatter formatter)
    method GetFormatter (line 60) | public ILogFormatter GetFormatter()

FILE: solutions/csharp/loggingframework/Appenders/ILogAppender.cs
  type ILogAppender (line 1) | interface ILogAppender
    method Append (line 3) | void Append(LogMessage logMessage);
    method Close (line 4) | void Close();
    method GetFormatter (line 5) | ILogFormatter GetFormatter();
    method SetFormatter (line 6) | void SetFormatter(ILogFormatter formatter);

FILE: solutions/csharp/loggingframework/AsyncLogProcessor.cs
  class AsyncLogProcessor (line 3) | class AsyncLogProcessor
    method AsyncLogProcessor (line 10) | public AsyncLogProcessor()
    method WorkerLoop (line 20) | private void WorkerLoop()
    method Process (line 40) | public void Process(LogMessage logMessage, List<ILogAppender> appenders)
    method Stop (line 58) | public void Stop()

FILE: solutions/csharp/loggingframework/Enum/LogLevel.cs
  type LogLevel (line 1) | enum LogLevel
  class LogLevelExtensions (line 10) | static class LogLevelExtensions
    method IsGreaterOrEqual (line 12) | public static bool IsGreaterOrEqual(this LogLevel level, LogLevel other)

FILE: solutions/csharp/loggingframework/Formatters/ILogFormatter.cs
  type ILogFormatter (line 1) | interface ILogFormatter
    method Format (line 3) | string Format(LogMessage logMessage);

FILE: solutions/csharp/loggingframework/Formatters/SimpleTextFormatter.cs
  class SimpleTextFormatter (line 1) | class SimpleTextFormatter : ILogFormatter
    method Format (line 3) | public string Format(LogMessage logMessage)

FILE: solutions/csharp/loggingframework/LogManager.cs
  class LogManager (line 3) | class LogManager
    method LogManager (line 11) | private LogManager()
    method GetInstance (line 18) | public static LogManager GetInstance()
    method GetLogger (line 31) | public Logger GetLogger(string name)
    method CreateLogger (line 36) | private Logger CreateLogger(string name)
    method GetRootLogger (line 48) | public Logger GetRootLogger()
    method GetProcessor (line 53) | public AsyncLogProcessor GetProcessor()
    method Shutdown (line 58) | public void Shutdown()

FILE: solutions/csharp/loggingframework/Logger.cs
  class Logger (line 1) | class Logger
    method Logger (line 9) | public Logger(string name, Logger parent)
    method AddAppender (line 16) | public void AddAppender(ILogAppender appender)
    method GetAppenders (line 21) | public List<ILogAppender> GetAppenders()
    method SetLevel (line 26) | public void SetLevel(LogLevel minLevel)
    method SetAdditivity (line 31) | public void SetAdditivity(bool additivity)
    method GetEffectiveLevel (line 36) | public LogLevel GetEffectiveLevel()
    method Log (line 49) | public void Log(LogLevel messageLevel, string message)
    method CallAppenders (line 58) | private void CallAppenders(LogMessage logMessage)
    method Debug (line 70) | public void Debug(string message)
    method Info (line 75) | public void Info(string message)
    method Warn (line 80) | public void Warn(string message)
    method Error (line 85) | public void Error(string message)
    method Fatal (line 90) | public void Fatal(string message)

FILE: solutions/csharp/loggingframework/LoggingFrameworkDemo.cs
  class LoggingFrameworkDemo (line 8) | public class LoggingFrameworkDemo
    method Main (line 10) | public static void Main(string[] args)

FILE: solutions/csharp/loggingframework/Models/LogMessage.cs
  class LogMessage (line 1) | class LogMessage
    method LogMessage (line 9) | public LogMessage(LogLevel level, string loggerName, string message)
    method GetTimestamp (line 18) | public DateTime GetTimestamp() { return timestamp; }
    method GetLevel (line 19) | public LogLevel GetLevel() { return level; }
    method GetLoggerName (line 20) | public string GetLoggerName() { return loggerName; }
    method GetThreadName (line 21) | public string GetThreadName() { return threadName; }
    method GetMessage (line 22) | public string GetMessage() { return message; }

FILE: solutions/csharp/lrucache/DoublyLinkedList.cs
  class DoublyLinkedList (line 1) | class DoublyLinkedList<K, V>
    method DoublyLinkedList (line 6) | public DoublyLinkedList()
    method AddFirst (line 14) | public void AddFirst(Node<K, V> node)
    method Remove (line 22) | public void Remove(Node<K, V> node)
    method MoveToFront (line 28) | public void MoveToFront(Node<K, V> node)
    method RemoveLast (line 34) | public Node<K, V> RemoveLast()

FILE: solutions/csharp/lrucache/LRUCache.cs
  class LRUCache (line 1) | class LRUCache<K, V>
    method LRUCache (line 8) | public LRUCache(int capacity)
    method Get (line 15) | public V Get(K key)
    method Put (line 26) | public void Put(K key, V value)
    method Remove (line 50) | public void Remove(K key)

FILE: solutions/csharp/lrucache/LRUCacheDemo.cs
  class LRUCacheDemo (line 4) | public class LRUCacheDemo
    method Main (line 6) | public static void Main()

FILE: solutions/csharp/lrucache/Node.cs
  class Node (line 1) | class Node<K, V>
    method Node (line 8) | public Node(K key, V value)

FILE: solutions/csharp/movieticketbookingsystem/BookingManager.cs
  class BookingManager (line 1) | class BookingManager
    method BookingManager (line 5) | public BookingManager(SeatLockManager seatLockManager)
    method CreateBooking (line 10) | public Booking CreateBooking(User user, Show show, List<Seat> seats, I...

FILE: solutions/csharp/movieticketbookingsystem/Enums/PaymentStatus.cs
  type PaymentStatus (line 1) | enum PaymentStatus

FILE: solutions/csharp/movieticketbookingsystem/Enums/SeatStatus.cs
  type SeatStatus (line 1) | enum SeatStatus

FILE: solutions/csharp/movieticketbookingsystem/Enums/SeatType.cs
  type SeatType (line 1) | enum SeatType
  class SeatTypeExtensions (line 8) | static class SeatTypeExtensions
    method GetPrice (line 10) | public static double GetPrice(this SeatType seatType)

FILE: solutions/csharp/movieticketbookingsystem/Models/Booking.cs
  class Booking (line 1) | class Booking
    method Booking (line 10) | public Booking(string id, User user, Show show, List<Seat> seats, doub...
    method ConfirmBooking (line 20) | public void ConfirmBooking()
    method GetId (line 28) | public string GetId() { return id; }
    method GetUser (line 29) | public User GetUser() { return user; }
    method GetShow (line 30) | public Show GetShow() { return show; }
    method GetSeats (line 31) | public List<Seat> GetSeats() { return seats; }
    method GetTotalAmount (line 32) | public double GetTotalAmount() { return totalAmount; }
    method GetPayment (line 33) | public Payment GetPayment() { return payment; }
  class BookingBuilder (line 36) | class BookingBuilder
    method SetId (line 45) | public BookingBuilder SetId(string id)
    method SetUser (line 51) | public BookingBuilder SetUser(User user)
    method SetShow (line 57) | public BookingBuilder SetShow(Show show)
    method SetSeats (line 63) | public BookingBuilder SetSeats(List<Seat> seats)
    method SetTotalAmount (line 69) | public BookingBuilder SetTotalAmount(double totalAmount)
    method SetPayment (line 75) | public BookingBuilder SetPayment(Payment payment)
    method Build (line 81) | public Booking Build()

FILE: solutions/csharp/movieticketbookingsystem/Models/Cinema.cs
  class Cinema (line 1) | class Cinema
    method Cinema (line 8) | public Cinema(string id, string name, City city, List<Screen> screens)
    method GetId (line 16) | public string GetId() { return id; }
    method GetName (line 17) | public string GetName() { return name; }
    method GetCity (line 18) | public City GetCity() { return city; }
    method GetScreens (line 19) | public List<Screen> GetScreens() { return screens; }

FILE: solutions/csharp/movieticketbookingsystem/Models/City.cs
  class City (line 1) | class City
    method City (line 6) | public City(string id, string name)
    method GetId (line 12) | public string GetId() { return id; }
    method GetName (line 13) | public string GetName() { return name; }

FILE: solutions/csharp/movieticketbookingsystem/Models/Movie.cs
  class Movie (line 1) | class Movie : MovieSubject
    method Movie (line 7) | public Movie(string id, string title, int durationInMinutes)
    method GetId (line 14) | public string GetId() { return id; }
    method GetTitle (line 15) | public string GetTitle() { return title; }

FILE: solutions/csharp/movieticketbookingsystem/Models/Payment.cs
  class Payment (line 1) | class Payment
    method Payment (line 8) | public Payment(double amount, PaymentStatus status, string transactionId)
    method GetStatus (line 16) | public PaymentStatus GetStatus() { return status; }

FILE: solutions/csharp/movieticketbookingsystem/Models/Screen.cs
  class Screen (line 1) | class Screen
    method Screen (line 6) | public Screen(string id)
    method AddSeat (line 12) | public void AddSeat(Seat seat)
    method GetId (line 17) | public string GetId() { return id; }
    method GetSeats (line 18) | public List<Seat> GetSeats() { return seats; }

FILE: solutions/csharp/movieticketbookingsystem/Models/Seat.cs
  class Seat (line 1) | class Seat
    method Seat (line 9) | public Seat(string id, int row, int col, SeatType type)
    method GetId (line 18) | public string GetId() { return id; }
    method GetRow (line 19) | public int GetRow() { return row; }
    method GetCol (line 20) | public int GetCol() { return col; }
    method GetSeatType (line 21) | public SeatType GetSeatType() { return type; }
    method GetStatus (line 22) | public SeatStatus GetStatus() { return status; }
    method SetStatus (line 23) | public void SetStatus(SeatStatus status) { this.status = status; }

FILE: solutions/csharp/movieticketbookingsystem/Models/Show.cs
  class Show (line 1) | class Show
    method Show (line 9) | public Show(string id, Movie movie, Screen screen, DateTime startTime,...
    method GetId (line 18) | public string GetId() { return id; }
    method GetMovie (line 19) | public Movie GetMovie() { return movie; }
    method GetScreen (line 20) | public Screen GetScreen() { return screen; }
    method GetStartTime (line 21) | public DateTime GetStartTime() { return startTime; }
    method GetPricingStrategy (line 22) | public IPricingStrategy GetPricingStrategy() { return pricingStrategy; }

FILE: solutions/csharp/movieticketbookingsystem/Models/User.cs
  class User (line 1) | class User
    method User (line 7) | public User(string name, string email)
    method GetId (line 14) | public string GetId() { return id; }
    method GetName (line 15) | public string GetName() { return name; }

FILE: solutions/csharp/movieticketbookingsystem/MovieBookingDemo.cs
  class MovieBookingDemo (line 7) | public class MovieBookingDemo
    method Main (line 9) | public static void Main(string[] args)

FILE: solutions/csharp/movieticketbookingsystem/MovieBookingService.cs
  class MovieBookingService (line 1) | class MovieBookingService
    method MovieBookingService (line 15) | private MovieBookingService()
    method GetInstance (line 27) | public static MovieBookingService GetInstance()
    method GetBookingManager (line 42) | public BookingManager GetBookingManager()
    method AddCity (line 47) | public City AddCity(string id, string name)
    method AddCinema (line 54) | public Cinema AddCinema(string id, string name, string cityId, List<Sc...
    method AddMovie (line 62) | public void AddMovie(Movie movie)
    method AddShow (line 67) | public Show AddShow(string id, Movie movie, Screen screen, DateTime st...
    method CreateUser (line 74) | public User CreateUser(string name, string email)
    method BookTickets (line 81) | public Booking BookTickets(string userId, string showId, List<Seat> de...
    method FindShows (line 91) | public List<Show> FindShows(string movieTitle, string cityName)
    method FindCinemaForShow (line 108) | private Cinema FindCinemaForShow(Show show)
    method Shutdown (line 113) | public void Shutdown()

FILE: solutions/csharp/movieticketbookingsystem/Observer/IMovieObserver.cs
  type IMovieObserver (line 1) | interface IMovieObserver
    method Update (line 3) | void Update(Movie movie);

FILE: solutions/csharp/movieticketbookingsystem/Observer/MovieSubject.cs
  class MovieSubject (line 1) | abstract class MovieSubject
    method AddObserver (line 5) | public void AddObserver(IMovieObserver observer)
    method RemoveObserver (line 10) | public void RemoveObserver(IMovieObserver observer)
    method NotifyObservers (line 15) | public void NotifyObservers()

FILE: solutions/csharp/movieticketbookingsystem/Observer/UserObserver.cs
  class UserObserver (line 1) | class UserObserver : IMovieObserver
    method UserObserver (line 5) | public UserObserver(User user)
    method Update (line 10) | public void Update(Movie movie)

FILE: solutions/csharp/movieticketbookingsystem/SeatLockManager.cs
  class SeatLockManager (line 1) | class SeatLockManager
    method LockSeats (line 7) | public void LockSeats(Show show, List<Seat> seats, string userId)
    method UnlockSeats (line 44) | public void UnlockSeats(Show show, List<Seat> seats, string userId)
    method Shutdown (line 75) | public void Shutdown()

FILE: solutions/csharp/movieticketbookingsystem/Strategies/Payment/CreditCardPaymentStrategy.cs
  class CreditCardPaymentStrategy (line 1) | class CreditCardPaymentStrategy : IPaymentStrategy
    method CreditCardPaymentStrategy (line 6) | public CreditCardPaymentStrategy(string cardNumber, string cvv)
    method Pay (line 12) | public Payment Pay(double amount)

FILE: solutions/csharp/movieticketbookingsystem/Strategies/Payment/IPaymentStrategy.cs
  type IPaymentStrategy (line 1) | interface IPaymentStrategy
    method Pay (line 3) | Payment Pay(double amount);

FILE: solutions/csharp/movieticketbookingsystem/Strategies/Pricing/IPricingStrategy.cs
  type IPricingStrategy (line 1) | interface IPricingStrategy
    method CalculatePrice (line 3) | double CalculatePrice(List<Seat> seats);

FILE: solutions/csharp/movieticketbookingsystem/Strategies/Pricing/WeekdayPricingStrategy.cs
  class WeekdayPricingStrategy (line 1) | class WeekdayPricingStrategy : IPricingStrategy
    method CalculatePrice (line 3) | public double CalculatePrice(List<Seat> seats)

FILE: solutions/csharp/movieticketbookingsystem/Strategies/Pricing/WeekendPricingStrategy.cs
  class WeekendPricingStrategy (line 1) | class WeekendPricingStrategy : IPricingStrategy
    method CalculatePrice (line 5) | public double CalculatePrice(List<Seat> seats)

FILE: solutions/csharp/musicstreamingservice/Commands/ICommand.cs
  type ICommand (line 1) | interface ICommand
    method Execute (line 3) | void Execute();

FILE: solutions/csharp/musicstreamingservice/Commands/NextTrackCommand.cs
  class NextTrackCommand (line 1) | class NextTrackCommand : ICommand
    method NextTrackCommand (line 5) | public NextTrackCommand(Player player)
    method Execute (line 10) | public void Execute()

FILE: solutions/csharp/musicstreamingservice/Commands/PauseCommand.cs
  class PauseCommand (line 1) | class PauseCommand : ICommand
    method PauseCommand (line 5) | public PauseCommand(Player player)
    method Execute (line 10) | public void Execute()

FILE: solutions/csharp/musicstreamingservice/Commands/PlayCommand.cs
  class PlayCommand (line 1) | class PlayCommand : ICommand
    method PlayCommand (line 5) | public PlayCommand(Player player)
    method Execute (line 10) | public void Execute()

FILE: solutions/csharp/musicstreamingservice/Enums/PlayerStatus.cs
  type PlayerStatus (line 1) | enum PlayerStatus

FILE: solutions/csharp/musicstreamingservice/Enums/SubscriptionTier.cs
  type SubscriptionTier (line 1) | enum SubscriptionTier

FILE: solutions/csharp/musicstreamingservice/Models/Album.cs
  class Album (line 1) | class Album : IPlayable
    method Album (line 6) | public Album(string title)
    method AddTrack (line 11) | public void AddTrack(Song song)
    method GetTracks (line 16) | public List<Song> GetTracks()
    method GetTitle (line 21) | public string GetTitle() => title;

FILE: solutions/csharp/musicstreamingservice/Models/Artist.cs
  class Artist (line 1) | class Artist : Subject
    method Artist (line 7) | public Artist(string id, string name)
    method ReleaseAlbum (line 13) | public void ReleaseAlbum(Album album)
    method GetId (line 20) | public string GetId() => id;
    method GetName (line 21) | public string GetName() => name;

FILE: solutions/csharp/musicstreamingservice/Models/IPlayable.cs
  type IPlayable (line 1) | interface IPlayable
    method GetTracks (line 3) | List<Song> GetTracks();

FILE: solutions/csharp/musicstreamingservice/Models/Player.cs
  class Player (line 1) | class Player
    method Player (line 10) | public Player()
    method Load (line 16) | public void Load(IPlayable playable, User user)
    method PlayCurrentSongInQueue (line 25) | public void PlayCurrentSongInQueue()
    method ClickPlay (line 34) | public void ClickPlay() => state.Play(this);
    method ClickPause (line 35) | public void ClickPause() => state.Pause(this);
    method ClickNext (line 37) | public void ClickNext()
    method ChangeState (line 51) | public void ChangeState(PlayerState state) => this.state = state;
    method SetStatus (line 52) | public void SetStatus(PlayerStatus status) => this.status = status;
    method SetCurrentSong (line 53) | public void SetCurrentSong(Song song) => this.currentSong = song;
    method HasQueue (line 54) | public bool HasQueue() => queue.Count > 0;

FILE: solutions/csharp/musicstreamingservice/Models/Playlist.cs
  class Playlist (line 1) | class Playlist : IPlayable
    method Playlist (line 6) | public Playlist(string name)
    method AddTrack (line 11) | public void AddTrack(Song song)
    method GetTracks (line 16) | public List<Song> GetTracks()

FILE: solutions/csharp/musicstreamingservice/Models/Song.cs
  class Song (line 1) | class Song : IPlayable
    method Song (line 8) | public Song(string id, string title, Artist artist, int durationInSeco...
    method GetTracks (line 16) | public List<Song> GetTracks()
    method ToString (line 21) | public override string ToString()
    method GetId (line 26) | public string GetId() => id;
    method GetTitle (line 27) | public string GetTitle() => title;
    method GetArtist (line 28) | public Artist GetArtist() => artist;

FILE: solutions/csharp/musicstreamingservice/Models/User.cs
  class User (line 1) | class User : IArtistObserver
    method User (line 8) | public User(string id, string name, PlaybackStrategy strategy)
    method FollowArtist (line 15) | public void FollowArtist(Artist artist)
    method Update (line 21) | public void Update(Artist artist, Album newAlbum)
    method GetPlaybackStrategy (line 27) | public PlaybackStrategy GetPlaybackStrategy() => playbackStrategy;
    method GetId (line 28) | public string GetId() => id;
    method GetName (line 29) | public string GetName() => name;
  class UserBuilder (line 32) | class UserBuilder
    method UserBuilder (line 38) | public UserBuilder(string name)
    method WithSubscription (line 44) | public UserBuilder WithSubscription(SubscriptionTier tier, int songsPl...
    method Build (line 50) | public User Build()

FILE: solutions/csharp/musicstreamingservice/MusicStreamingDemo.cs
  class MusicStreamingDemo (line 6) | public class MusicStreamingDemo
    method Main (line 8) | public static void Main(string[] args)

FILE: solutions/csharp/musicstreamingservice/MusicStreamingSystem.cs
  class MusicStreamingSystem (line 1) | class MusicStreamingSystem
    method MusicStreamingSystem (line 12) | private MusicStreamingSystem()
    method GetInstance (line 19) | public static MusicStreamingSystem GetInstance()
    method RegisterUser (line 34) | public void RegisterUser(User user)
    method AddSong (line 39) | public Song AddSong(string id, string title, string artistId, int dura...
    method AddArtist (line 46) | public void AddArtist(Artist artist)
    method SearchSongsByTitle (line 51) | public List<Song> SearchSongsByTitle(string title)
    method GetSongRecommendations (line 56) | public List<Song> GetSongRecommendations()
    method GetPlayer (line 61) | public Player GetPlayer() => player;

FILE: solutions/csharp/musicstreamingservice/Observer/IArtistObserver.cs
  type IArtistObserver (line 1) | interface IArtistObserver
    method Update (line 3) | void Update(Artist artist, Album newAlbum);

FILE: solutions/csharp/musicstreamingservice/Observer/Subject.cs
  class Subject (line 1) | abstract class Subject
    method AddObserver (line 5) | public void AddObserver(IArtistObserver observer)
    method RemoveObserver (line 10) | public void RemoveObserver(IArtistObserver observer)
    method NotifyObservers (line 15) | public void NotifyObservers(Artist artist, Album album)

FILE: solutions/csharp/musicstreamingservice/Services/RecommendationService.cs
  class RecommendationService (line 1) | class RecommendationService
    method RecommendationService (line 5) | public RecommendationService(RecommendationStrategy strategy)
    method SetStrategy (line 10) | public void SetStrategy(RecommendationStrategy strategy)
    method GenerateRecommendations (line 15) | public List<Song> GenerateRecommendations(List<Song> allSongs)

FILE: solutions/csharp/musicstreamingservice/Services/SearchService.cs
  class SearchService (line 1) | class SearchService
    method SearchSongsByTitle (line 3) | public List<Song> SearchSongsByTitle(List<Song> songs, string query)
    method SearchArtistsByName (line 8) | public List<Artist> SearchArtistsByName(List<Artist> artists, string q...

FILE: solutions/csharp/musicstreamingservice/States/PausedState.cs
  class PausedState (line 1) | class PausedState : PlayerState
    method Play (line 3) | public override void Play(Player player)
    method Pause (line 10) | public override void Pause(Player player)
    method Stop (line 15) | public override void Stop(Player player)

FILE: solutions/csharp/musicstreamingservice/States/PlayerState.cs
  class PlayerState (line 1) | abstract class PlayerState
    method Play (line 3) | public abstract void Play(Player player);
    method Pause (line 4) | public abstract void Pause(Player player);
    method Stop (line 5) | public abstract void Stop(Player player);

FILE: solutions/csharp/musicstreamingservice/States/PlayingState.cs
  class PlayingState (line 1) | class PlayingState : PlayerState
    method Play (line 3) | public override void Play(Player player)
    method Pause (line 8) | public override void Pause(Player player)
    method Stop (line 15) | public override void Stop(Player player)

FILE: solutions/csharp/musicstreamingservice/States/StoppedState.cs
  class StoppedState (line 1) | class StoppedState : PlayerState
    method Play (line 3) | public override void Play(Player player)
    method Pause (line 18) | public override void Pause(Player player)
    method Stop (line 23) | public override void Stop(Player player)

FILE: solutions/csharp/musicstreamingservice/Strategies/Playback/FreePlaybackStrategy.cs
  class FreePlaybackStrategy (line 1) | class FreePlaybackStrategy : PlaybackStrategy
    method FreePlaybackStrategy (line 6) | public FreePlaybackStrategy(int initialSongsPlayed)
    method Play (line 11) | public override void Play(Song song, Player player)

FILE: solutions/csharp/musicstreamingservice/Strategies/Playback/PlaybackStrategy.cs
  class PlaybackStrategy (line 1) | abstract class PlaybackStrategy
    method Play (line 3) | public abstract void Play(Song song, Player player);
    method GetStrategy (line 5) | public static PlaybackStrategy GetStrategy(SubscriptionTier tier, int ...

FILE: solutions/csharp/musicstreamingservice/Strategies/Playback/PremiumPlaybackStrategy.cs
  class PremiumPlaybackStrategy (line 1) | class PremiumPlaybackStrategy : PlaybackStrategy
    method Play (line 3) | public override void Play(Song song, Player player)

FILE: solutions/csharp/musicstreamingservice/Strategies/Recommendation/GenreBasedRecommendationStrategy.cs
  class GenreBasedRecommendationStrategy (line 1) | class GenreBasedRecommendationStrategy : RecommendationStrategy
    method Recommend (line 3) | public override List<Song> Recommend(List<Song> allSongs)

FILE: solutions/csharp/musicstreamingservice/Strategies/Recommendation/RecommendationStrategy.cs
  class RecommendationStrategy (line 1) | abstract class RecommendationStrategy
    method Recommend (line 3) | public abstract List<Song> Recommend(List<Song> allSongs);

FILE: solutions/csharp/onlineauctionsystem/AuctionService.cs
  class AuctionService (line 3) | class AuctionService
    method AuctionService (line 12) | private AuctionService()
    method GetInstance (line 20) | public static AuctionService GetInstance()
    method CreateUser (line 35) | public User CreateUser(string name)
    method GetUser (line 42) | public User GetUser(string userId)
    method CreateAuction (line 48) | public Auction CreateAuction(string itemName, string description, deci...
    method ViewActiveAuctions (line 71) | public List<Auction> ViewActiveAuctions()
    method PlaceBid (line 76) | public void PlaceBid(string auctionId, string bidderId, decimal amount)
    method EndAuction (line 82) | public void EndAuction(string auctionId)
    method GetAuction (line 88) | public Auction GetAuction(string auctionId)
    method Shutdown (line 97) | public void Shutdown()

FILE: solutions/csharp/onlineauctionsystem/AuctionSystemDemo.cs
  class AuctionSystemDemo (line 7) | public class AuctionSystemDemo
    method Main (line 9) | public static void Main(string[] args)

FILE: solutions/csharp/onlineauctionsystem/Enum/AuctionState.cs
  type AuctionState (line 1) | enum AuctionState

FILE: solutions/csharp/onlineauctionsystem/Models/Auction.cs
  class Auction (line 1) | class Auction
    method Auction (line 14) | public Auction(string itemName, string description, decimal startingPr...
    method PlaceBid (line 26) | public void PlaceBid(User bidder, decimal amount)
    method EndAuction (line 63) | public void EndAuction()
    method GetHighestBid (line 90) | public Bid GetHighestBid()
    method IsActive (line 99) | public bool IsActive()
    method AddObserver (line 104) | private void AddObserver(IAuctionObserver observer)
    method NotifyAllObservers (line 109) | private void NotifyAllObservers(string message)
    method NotifyObserver (line 117) | private void NotifyObserver(IAuctionObserver observer, string message)
    method GetId (line 122) | public string GetId() { return id; }
    method GetItemName (line 123) | public string GetItemName() { return itemName; }
    method GetBidHistory (line 124) | public List<Bid> GetBidHistory() { return new List<Bid>(bids); }
    method GetState (line 125) | public AuctionState GetState() { return state; }
    method GetWinningBid (line 126) | public Bid GetWinningBid() { return winningBid; }

FILE: solutions/csharp/onlineauctionsystem/Models/Bid.cs
  class Bid (line 1) | class Bid : IComparable<Bid>
    method Bid (line 7) | public Bid(User bidder, decimal amount)
    method GetBidder (line 14) | public User GetBidder()
    method GetAmount (line 19) | public decimal GetAmount()
    method GetTimestamp (line 24) | public DateTime GetTimestamp()
    method CompareTo (line 29) | public int CompareTo(Bid other)
    method ToString (line 39) | public override string ToString()

FILE: solutions/csharp/onlineauctionsystem/Models/User.cs
  class User (line 1) | class User : IAuctionObserver
    method User (line 6) | public User(string name)
    method GetId (line 12) | public string GetId()
    method GetName (line 17) | public string GetName()
    method OnUpdate (line 22) | public void OnUpdate(Auction auction, string message)
    method Equals (line 30) | public override bool Equals(object obj)
    method GetHashCode (line 38) | public override int GetHashCode()

FILE: solutions/csharp/onlineauctionsystem/Observer/IAuctionObserver.cs
  type IAuctionObserver (line 1) | interface IAuctionObserver
    method OnUpdate (line 3) | void OnUpdate(Auction auction, string message);

FILE: solutions/csharp/onlineshoppingservice/Decorators/GiftWrapDecorator.cs
  class GiftWrapDecorator (line 1) | class GiftWrapDecorator : ProductDecorator
    method GiftWrapDecorator (line 5) | public GiftWrapDecorator(Product product) : base(product) { }
    method GetPrice (line 7) | public override double GetPrice()
    method GetDescription (line 12) | public override string GetDescription()

FILE: solutions/csharp/onlineshoppingservice/Decorators/ProductDecorator.cs
  class ProductDecorator (line 1) | abstract class ProductDecorator : Product
    method ProductDecorator (line 5) | public ProductDecorator(Product product)
    method GetId (line 10) | public override string GetId() { return decoratedProduct.GetId(); }
    method GetName (line 11) | public override string GetName() { return decoratedProduct.GetName(); }
    method GetPrice (line 12) | public override double GetPrice() { return decoratedProduct.GetPrice(); }
    method GetDescription (line 13) | public override string GetDescription() { return decoratedProduct.GetD...
    method GetCategory (line 14) | public override ProductCategory GetCategory() { return decoratedProduc...

FILE: solutions/csharp/onlineshoppingservice/Enums/OrderStatus.cs
  type OrderStatus (line 1) | enum OrderStatus

FILE: solutions/csharp/onlineshoppingservice/Enums/ProductCategory.cs
  type ProductCategory (line 1) | enum ProductCategory

FILE: solutions/csharp/onlineshoppingservice/Exceptions/OutOfStockException.cs
  class OutOfStockException (line 1) | class OutOfStockException : Exception
    method OutOfStockException (line 3) | public OutOfStockException(string message) : base(message) { }

FILE: solutions/csharp/onlineshoppingservice/Models/Account.cs
  class Account (line 1) | class Account
    method Account (line 7) | public Account(string username, string password)
    method GetCart (line 14) | public ShoppingCart GetCart() { return cart; }

FILE: solutions/csharp/onlineshoppingservice/Models/Address.cs
  class Address (line 1) | class Address
    method Address (line 8) | public Address(string street, string city, string state, string zipCode)
    method ToString (line 16) | public override string ToString()

FILE: solutions/csharp/onlineshoppingservice/Models/CartItem.cs
  class CartItem (line 1) | class CartItem
    method CartItem (line 6) | public CartItem(Product product, int quantity)
    method GetProduct (line 12) | public Product GetProduct() { return product; }
    method GetQuantity (line 13) | public int GetQuantity() { return quantity; }
    method IncrementQuantity (line 14) | public void IncrementQuantity(int amount) { quantity += amount; }
    method GetPrice (line 15) | public double GetPrice() { return product.GetPrice() * quantity; }

FILE: solutions/csharp/onlineshoppingservice/Models/Customer.cs
  class Customer (line 1) | class Customer : IOrderObserver
    method Customer (line 9) | public Customer(string name, string email, string password, Address sh...
    method Update (line 18) | public void Update(Order order)
    method GetId (line 23) | public string GetId() { return id; }
    method GetName (line 24) | public string GetName() { return name; }
    method GetAccount (line 25) | public Account GetAccount() { return account; }
    method GetShippingAddress (line 26) | public Address GetShippingAddress() { return shippingAddress; }
    method SetShippingAddress (line 27) | public void SetShippingAddress(Address address) { shippingAddress = ad...

FILE: solutions/csharp/onlineshoppingservice/Models/Order.cs
  class Order (line 1) | class Order : Subject
    method Order (line 12) | public Order(Customer customer, List<OrderLineItem> items, Address shi...
    method ShipOrder (line 25) | public void ShipOrder() { currentState.Ship(this); }
    method DeliverOrder (line 26) | public void DeliverOrder() { currentState.Deliver(this); }
    method CancelOrder (line 27) | public void CancelOrder() { currentState.Cancel(this); }
    method GetId (line 29) | public string GetId() { return id; }
    method GetStatus (line 30) | public OrderStatus GetStatus() { return status; }
    method SetState (line 31) | public void SetState(IOrderState state) { currentState = state; }
    method SetStatus (line 32) | public void SetStatus(OrderStatus status)
    method GetItems (line 37) | public List<OrderLineItem> GetItems() { return items; }

FILE: solutions/csharp/onlineshoppingservice/Models/OrderLineItem.cs
  class OrderLineItem (line 1) | class OrderLineItem
    method OrderLineItem (line 8) | public OrderLineItem(string productId, string productName, int quantit...
    method GetProductId (line 16) | public string GetProductId() { return productId; }
    method GetQuantity (line 17) | public int GetQuantity() { return quantity; }

FILE: solutions/csharp/onlineshoppingservice/Models/Product.cs
  class Product (line 1) | abstract class Product
    method GetId (line 9) | public abstract string GetId();
    method GetName (line 10) | public abstract string GetName();
    method GetDescription (line 11) | public abstract string GetDescription();
    method GetPrice (line 12) | public abstract double GetPrice();
    method GetCategory (line 13) | public abstract ProductCategory GetCategory();
  class BaseProduct (line 16) | class BaseProduct : Product
    method BaseProduct (line 18) | public BaseProduct(string id, string name, string description, double ...
    method GetId (line 27) | public override string GetId() { return id; }
    method GetName (line 28) | public override string GetName() { return name; }
    method GetDescription (line 29) | public override string GetDescription() { return description; }
    method GetPrice (line 30) | public override double GetPrice() { return price; }
    method GetCategory (line 31) | public override ProductCategory GetCategory() { return category; }
  class ProductBuilder (line 34) | class ProductBuilder
    method ProductBuilder (line 41) | public ProductBuilder(string name, double price)
    method WithDescription (line 47) | public ProductBuilder WithDescription(string description)
    method WithCategory (line 53) | public ProductBuilder WithCategory(ProductCategory category)
    method Build (line 59) | public Product Build()

FILE: solutions/csharp/onlineshoppingservice/Models/ShoppingCart.cs
  class ShoppingCart (line 1) | class ShoppingCart
    method AddItem (line 5) | public void AddItem(Product product, int quantity)
    method RemoveItem (line 17) | public void RemoveItem(string productId)
    method GetItems (line 22) | public Dictionary<string, CartItem> GetItems()
    method CalculateTotal (line 27) | public double CalculateTotal()
    method ClearCart (line 32) | public void ClearCart()

FILE: solutions/csharp/onlineshoppingservice/Observer/IOrderObserver.cs
  type IOrderObserver (line 1) | interface IOrderObserver
    method Update (line 3) | void Update(Order order);

FILE: solutions/csharp/onlineshoppingservice/Observer/Subject.cs
  class Subject (line 1) | abstract class Subject
    method AddObserver (line 5) | public void AddObserver(IOrderObserver observer)
    method RemoveObserver (line 10) | public void RemoveObserver(IOrderObserver observer)
    method NotifyObservers (line 15) | public void NotifyObservers(Order order)

FILE: solutions/csharp/onlineshoppingservice/OnlineShoppingDemo.cs
  class OnlineShoppingDemo (line 6) | public class OnlineShoppingDemo
    method Main (line 8) | public static void Main()

FILE: solutions/csharp/onlineshoppingservice/OnlineShoppingSystem.cs
  class OnlineShoppingSystem (line 1) | class OnlineShoppingSystem
    method OnlineShoppingSystem (line 15) | private OnlineShoppingSystem()
    method GetInstance (line 23) | public static OnlineShoppingSystem GetInstance()
    method AddProduct (line 38) | public void AddProduct(Product product, int initialStock)
    method RegisterCustomer (line 44) | public Customer RegisterCustomer(string name, string email, string pas...
    method AddToCart (line 51) | public void AddToCart(string customerId, string productId, int quantity)
    method GetCustomerCart (line 58) | public ShoppingCart GetCustomerCart(string customerId)
    method SearchProducts (line 64) | public List<Product> SearchProducts(string name)
    method PlaceOrder (line 69) | public Order PlaceOrder(string customerId, IPaymentStrategy paymentStr...

FILE: solutions/csharp/onlineshoppingservice/Services/InventoryService.cs
  class InventoryService (line 1) | class InventoryService
    method AddStock (line 6) | public void AddStock(Product product, int quantity)
    method UpdateStockForOrder (line 18) | public void UpdateStockForOrder(List<OrderLineItem> items)

FILE: solutions/csharp/onlineshoppingservice/Services/OrderService.cs
  class OrderService (line 1) | class OrderService
    method OrderService (line 5) | public OrderService(InventoryService inventoryService)
    method CreateOrder (line 10) | public Order CreateOrder(Customer customer, ShoppingCart cart)

FILE: solutions/csharp/onlineshoppingservice/Services/PaymentService.cs
  class PaymentService (line 1) | class PaymentService
    method ProcessPayment (line 3) | public bool ProcessPayment(IPaymentStrategy strategy, double amount)

FILE: solutions/csharp/onlineshoppingservice/Services/SearchService.cs
  class SearchService (line 1) | class SearchService
    method SearchService (line 5) | public SearchService(ICollection<Product> productCatalog)
    method SearchByName (line 10) | public List<Product> SearchByName(string name)
    method SearchByCategory (line 17) | public List<Product> SearchByCategory(ProductCategory category)

FILE: solutions/csharp/onlineshoppingservice/States/CancelledState.cs
  class CancelledState (line 1) | class CancelledState : IOrderState
    method Ship (line 3) | public void Ship(Order order)
    method Deliver (line 8) | public void Deliver(Order order)
    method Cancel (line 13) | public void Cancel(Order order)

FILE: solutions/csharp/onlineshoppingservice/States/DeliveredState.cs
  class DeliveredState (line 1) | class DeliveredState : IOrderState
    method Ship (line 3) | public void Ship(Order order)
    method Deliver (line 8) | public void Deliver(Order order)
    method Cancel (line 13) | public void Cancel(Order order)

FILE: solutions/csharp/onlineshoppingservice/States/IOrderState.cs
  type IOrderState (line 1) | interface IOrderState
    method Ship (line 3) | void Ship(Order order);
    method Deliver (line 4) | void Deliver(Order order);
    method Cancel (line 5) | void Cancel(Order order);

FILE: solutions/csharp/onlineshoppingservice/States/PlacedState.cs
  class PlacedState (line 1) | class PlacedState : IOrderState
    method Ship (line 3) | public void Ship(Order order)
    method Deliver (line 10) | public void Deliver(Order order)
    method Cancel (line 15) | public void Cancel(Order order)

FILE: solutions/csharp/onlineshoppingservice/States/ShippedState.cs
  class ShippedState (line 1) | class ShippedState : IOrderState
    method Ship (line 3) | public void Ship(Order order)
    method Deliver (line 8) | public void Deliver(Order order)
    method Cancel (line 15) | public void Cancel(Order order)

FILE: solutions/csharp/onlineshoppingservice/Strategy/CreditCardPaymentStrategy.cs
  class CreditCardPaymentStrategy (line 1) | class CreditCardPaymentStrategy : IPaymentStrategy
    method CreditCardPaymentStrategy (line 5) | public CreditCardPaymentStrategy(string cardNumber)
    method Pay (line 10) | public bool Pay(double amount)

FILE: solutions/csharp/onlineshoppingservice/Strategy/IPaymentStrategy.cs
  type IPaymentStrategy (line 1) | interface IPaymentStrategy
    method Pay (line 3) | bool Pay(double amount);

FILE: solutions/csharp/onlineshoppingservice/Strategy/UPIPaymentStrategy.cs
  class UPIPaymentStrategy (line 1) | class UPIPaymentStrategy : IPaymentStrategy
    method UPIPaymentStrategy (line 5) | public UPIPaymentStrategy(string upiId)
    method Pay (line 10) | public bool Pay(double amount)

FILE: solutions/csharp/onlinestockbrokeragesystem/Commands/BuyStockCommand.cs
  class BuyStockCommand (line 1) | class BuyStockCommand : IOrderCommand
    method BuyStockCommand (line 7) | public BuyStockCommand(Account account, Order order)
    method Execute (line 14) | public void Execute()

FILE: solutions/csharp/onlinestockbrokeragesystem/Commands/IOrderCommand.cs
  type IOrderCommand (line 1) | interface IOrderCommand
    method Execute (line 3) | void Execute();

FILE: solutions/csharp/onlinestockbrokeragesystem/Commands/SellStockCommand.cs
  class SellStockCommand (line 1) | class SellStockCommand : IOrderCommand
    method SellStockCommand (line 7) | public SellStockCommand(Account account, Order order)
    method Execute (line 14) | public void Execute()

FILE: solutions/csharp/onlinestockbrokeragesystem/Enums/OrderStatus.cs
  type OrderStatus (line 1) | enum OrderStatus

FILE: solutions/csharp/onlinestockbrokeragesystem/Enums/OrderType.cs
  type OrderType (line 1) | enum OrderType

FILE: solutions/csharp/onlinestockbrokeragesystem/Enums/TransactionType.cs
  type TransactionType (line 1) | enum TransactionType

FILE: solutions/csharp/onlinestockbrokeragesystem/Exceptions/InsufficientFundsException.cs
  class InsufficientFundsException (line 1) | class InsufficientFundsException : Exception
    method InsufficientFundsException (line 3) | public InsufficientFundsException(string message) : base(message) { }

FILE: solutions/csharp/onlinestockbrokeragesystem/Exceptions/InsufficientStockException.cs
  class InsufficientStockException (line 1) | class InsufficientStockException : Exception
    method InsufficientStockException (line 3) | public InsufficientStockException(string message) : base(message) { }

FILE: solutions/csharp/onlinestockbrokeragesystem/Models/Account.cs
  class Account (line 1) | class Account
    method Account (line 7) | public Account(double initialCash)
    method Debit (line 13) | public void Debit(double amount)
    method Credit (line 25) | public void Credit(double amount)
    method AddStock (line 33) | public void AddStock(string symbol, int quantity)
    method RemoveStock (line 45) | public void RemoveStock(string symbol, int quantity)
    method GetBalance (line 58) | public double GetBalance() { return balance; }
    method GetPortfolio (line 59) | public Dictionary<string, int> GetPortfolio() { return new Dictionary<...
    method GetStockQuantity (line 60) | public int GetStockQuantity(string symbol) { return portfolio.Contains...

FILE: solutions/csharp/onlinestockbrokeragesystem/Models/Order.cs
  class Order (line 1) | class Order
    method Order (line 14) | public Order(string orderId, User user, Stock stock, OrderType type, i...
    method Cancel (line 29) | public void Cancel()
    method GetOrderId (line 35) | public string GetOrderId() { return orderId; }
    method GetUser (line 36) | public User GetUser() { return user; }
    method GetStock (line 37) | public Stock GetStock() { return stock; }
    method GetOrderType (line 38) | public OrderType GetOrderType() { return type; }
    method GetQuantity (line 39) | public int GetQuantity() { return quantity; }
    method GetPrice (line 40) | public double GetPrice() { return price; }
    method GetStatus (line 41) | public OrderStatus GetStatus() { return status; }
    method GetExecutionStrategy (line 42) | public IExecutionStrategy GetExecutionStrategy() { return executionStr...
    method SetState (line 45) | public void SetState(IOrderState state)
    method SetStatus (line 50) | public void SetStatus(OrderStatus status)
    method NotifyOwner (line 56) | private void NotifyOwner()

FILE: solutions/csharp/onlinestockbrokeragesystem/Models/OrderBuilder.cs
  class OrderBuilder (line 1) | class OrderBuilder
    method ForUser (line 10) | public OrderBuilder ForUser(User user)
    method WithStock (line 16) | public OrderBuilder WithStock(Stock stock)
    method Buy (line 22) | public OrderBuilder Buy(int quantity)
    method Sell (line 29) | public OrderBuilder Sell(int quantity)
    method AtMarketPrice (line 36) | public OrderBuilder AtMarketPrice()
    method WithLimit (line 43) | public OrderBuilder WithLimit(double limitPrice)
    method Build (line 50) | public Order Build()

FILE: solutions/csharp/onlinestockbrokeragesystem/Models/Stock.cs
  class Stock (line 1) | class Stock
    method Stock (line 7) | public Stock(string symbol, double initialPrice)
    method GetSymbol (line 13) | public string GetSymbol() { return symbol; }
    method GetPrice (line 14) | public double GetPrice() { return price; }
    method SetPrice (line 16) | public void SetPrice(double newPrice)
    method AddObserver (line 25) | public void AddObserver(IStockObserver observer)
    method RemoveObserver (line 30) | public void RemoveObserver(IStockObserver observer)
    method NotifyObservers (line 35) | private void NotifyObservers()

FILE: solutions/csharp/onlinestockbrokeragesystem/Models/User.cs
  class User (line 1) | class User : IStockObserver
    method User (line 7) | public User(string name, double initialCash)
    method GetUserId (line 14) | public string GetUserId() { return userId; }
    method GetName (line 15) | public string GetName() { return name; }
    method GetAccount (line 16) | public Account GetAccount() { return account; }
    method Update (line 18) | public void Update(Stock stock)
    method OrderStatusUpdate (line 23) | public void OrderStatusUpdate(Order order)

FILE: solutions/csharp/onlinestockbrokeragesystem/Observer/IStockObserver.cs
  type IStockObserver (line 1) | interface IStockObserver
    method Update (line 3) | void Update(Stock stock);

FILE: solutions/csharp/onlinestockbrokeragesystem/States/CancelledState.cs
  class CancelledState (line 1) | class CancelledState : IOrderState
    method Handle (line 3) | public void Handle(Order order)
    method Cancel (line 8) | public void Cancel(Order order)

FILE: solutions/csharp/onlinestockbrokeragesystem/States/FilledState.cs
  class FilledState (line 1) | class FilledState : IOrderState
    method Handle (line 3) | public void Handle(Order order)
    method Cancel (line 8) | public void Cancel(Order order)

FILE: solutions/csharp/onlinestockbrokeragesystem/States/IOrderState.cs
  type IOrderState (line 1) | interface IOrderState
    method Handle (line 3) | void Handle(Order order);
    method Cancel (line 4) | void Cancel(Order order);

FILE: solutions/csharp/onlinestockbrokeragesystem/States/OpenState.cs
  class OpenState (line 1) | class OpenState : IOrderState
    method Handle (line 3) | public void Handle(Order order)
    method Cancel (line 8) | public void Cancel(Order order)

FILE: solutions/csharp/onlinestockbrokeragesystem/StockBrokerageSystem.cs
  class StockBrokerageSystem (line 1) | class StockBrokerageSystem
    method StockBrokerageSystem (line 8) | private StockBrokerageSystem()
    method GetInstance (line 14) | public static StockBrokerageSystem GetInstance()
    method RegisterUser (line 29) | public User RegisterUser(string name, double initialAmount)
    method AddStock (line 36) | public Stock AddStock(string symbol, double initialPrice)
    method PlaceBuyOrder (line 43) | public void PlaceBuyOrder(Order order)
    method PlaceSellOrder (line 50) | public void PlaceSellOrder(Order order)
    method CancelOrder (line 57) | public void CancelOrder(Order order)

FILE: solutions/csharp/onlinestockbrokeragesystem/StockBrokerageSystemDemo.cs
  class StockBrokerageSystemDemo (line 7) | public class StockBrokerageSystemDemo
    method Main (line 9) | public static void Main(string[] args)
    method PrintAccountStatus (line 88) | private static void PrintAccountStatus(User user)

FILE: solutions/csharp/onlinestockbrokeragesystem/StockExchange.cs
  class StockExchange (line 1) | class StockExchange
    method StockExchange (line 9) | private StockExchange()
    method GetInstance (line 15) | public static StockExchange GetInstance()
    method PlaceBuyOrder (line 30) | public void PlaceBuyOrder(Order order)
    method PlaceSellOrder (line 40) | public void PlaceSellOrder(Order order)
    method MatchOrders (line 50) | private void MatchOrders(Stock stock)
    method ExecuteTrade (line 81) | private void ExecuteTrade(Order buyOrder, Order sellOrder, double trad...
    method UpdateOrderStatus (line 108) | private void UpdateOrderStatus(Order order, int quantityTraded)
    method FindBestBuy (line 122) | private Order FindBestBuy(List<Order> buys)
    method FindBestSell (line 130) | private Order FindBestSell(List<Order> sells)

FILE: solutions/csharp/onlinestockbrokeragesystem/Strategy/IExecutionStrategy.cs
  type IExecutionStrategy (line 1) | interface IExecutionStrategy
    method CanExecute (line 3) | bool CanExecute(Order order, double marketPrice);

FILE: solutions/csharp/onlinestockbrokeragesystem/Strategy/LimitOrderStrategy.cs
  class LimitOrderStrategy (line 1) | class LimitOrderStrategy : IExecutionStrategy
    method LimitOrderStrategy (line 5) | public LimitOrderStrategy(TransactionType type)
    method CanExecute (line 10) | public bool CanExecute(Order order, double marketPrice)

FILE: solutions/csharp/onlinestockbrokeragesystem/Strategy/MarketOrderStrategy.cs
  class MarketOrderStrategy (line 1) | class MarketOrderStrategy : IExecutionStrategy
    method CanExecute (line 3) | public bool CanExecute(Order order, double marketPrice)

FILE: solutions/csharp/parkinglot/Enums/VehicleSize.cs
  type VehicleSize (line 1) | enum VehicleSize

FILE: solutions/csharp/parkinglot/Models/ParkingFloor.cs
  class ParkingFloor (line 1) | class ParkingFloor
    method ParkingFloor (line 7) | public ParkingFloor(int floorNumber)
    method AddSpot (line 13) | public void AddSpot(ParkingSpot spot)
    method FindAvailableSpot (line 18) | public ParkingSpot FindAvailableSpot(Vehicle vehicle)
    method DisplayAvailability (line 31) | public void DisplayAvailability()

FILE: solutions/csharp/parkinglot/Models/ParkingSpot.cs
  class ParkingSpot (line 1) | class ParkingSpot
    method ParkingSpot (line 9) | public ParkingSpot(string spotId, VehicleSize spotSize)
    method GetSpotId (line 17) | public string GetSpotId()
    method GetSpotSize (line 22) | public VehicleSize GetSpotSize()
    method IsAvailable (line 27) | public bool IsAvailable()
    method IsOccupiedSpot (line 35) | public bool IsOccupiedSpot()
    method ParkVehicle (line 40) | public void ParkVehicle(Vehicle vehicle)
    method UnparkVehicle (line 49) | public void UnparkVehicle()
    method CanFitVehicle (line 58) | public bool CanFitVehicle(Vehicle vehicle)

FILE: solutions/csharp/parkinglot/Models/ParkingTicket.cs
  class ParkingTicket (line 1) | class ParkingTicket
    method ParkingTicket (line 9) | public ParkingTicket(Vehicle vehicle, ParkingSpot spot)
    method GetTicketId (line 18) | public string GetTicketId() { return ticketId; }
    method GetVehicle (line 19) | public Vehicle GetVehicle() { return vehicle; }
    method GetSpot (line 20) | public ParkingSpot GetSpot() { return spot; }
    method GetEntryTimestamp (line 21) | public long GetEntryTimestamp() { return entryTimestamp; }
    method GetExitTimestamp (line 22) | public long GetExitTimestamp() { return exitTimestamp; }
    method SetExitTimestamp (line 24) | public void SetExitTimestamp()

FILE: solutions/csharp/parkinglot/Models/Vehicle.cs
  class Vehicle (line 1) | abstract class Vehicle
    method Vehicle (line 6) | public Vehicle(string licenseNumber, VehicleSize size)
    method GetLicenseNumber (line 12) | public string GetLicenseNumber()
    method GetSize (line 17) | public VehicleSize GetSize()
  class Bike (line 23) | class Bike : Vehicle
    method Bike (line 25) | public Bike(string licenseNumber) : base(licenseNumber, VehicleSize.SM...
  class Car (line 30) | class Car : Vehicle
    method Car (line 32) | public Car(string licenseNumber) : base(licenseNumber, VehicleSize.MED...
  class Truck (line 37) | class Truck : Vehicle
    method Truck (line 39) | public Truck(string licenseNumber) : base(licenseNumber, VehicleSize.L...

FILE: solutions/csharp/parkinglot/ParkingLot.cs
  class ParkingLot (line 3) | class ParkingLot
    method ParkingLot (line 13) | private ParkingLot()
    method GetInstance (line 21) | public static ParkingLot GetInstance()
    method AddFloor (line 36) | public void AddFloor(ParkingFloor floor)
    method SetFeeStrategy (line 41) | public void SetFeeStrategy(IFeeStrategy feeStrategy)
    method SetParkingStrategy (line 46) | public void SetParkingStrategy(IParkingStrategy parkingStrategy)
    method ParkVehicle (line 51) | public ParkingTicket ParkVehicle(Vehicle vehicle)
    method UnparkVehicle (line 72) | public double? UnparkVehicle(string licenseNumber)

FILE: solutions/csharp/parkinglot/ParkingLotDemo.cs
  class ParkingLotDemo (line 6) | public class ParkingLotDemo
    method Main (line 8) | public static void Main()

FILE: solutions/csharp/parkinglot/Strategies/Fee/FlatRateFeeStrategy.cs
  class FlatRateFeeStrategy (line 1) | class FlatRateFeeStrategy : IFeeStrategy
    method CalculateFee (line 5) | public double CalculateFee(ParkingTicket parkingTicket)

FILE: solutions/csharp/parkinglot/Strategies/Fee/IFeeStrategy.cs
  type IFeeStrategy (line 1) | interface IFeeStrategy
    method CalculateFee (line 3) | double CalculateFee(ParkingTicket parkingTicket);

FILE: solutions/csharp/parkinglot/Strategies/Fee/VehicleBasedFeeStrategy.cs
  class VehicleBasedFeeStrategy (line 1) | class VehicleBasedFeeStrategy : IFeeStrategy
    method CalculateFee (line 10) | public double CalculateFee(ParkingTicket parkingTicket)

FILE: solutions/csharp/parkinglot/Strategies/Parking/BestFitStrategy.cs
  class BestFitStrategy (line 1) | class BestFitStrategy : IParkingStrategy
    method FindSpot (line 3) | public ParkingSpot FindSpot(List<ParkingFloor> floors, Vehicle vehicle)

FILE: solutions/csharp/parkinglot/Strategies/Parking/FarthestFirstStrategy.cs
  class FarthestFirstStrategy (line 1) | class FarthestFirstStrategy : IParkingStrategy
    method FindSpot (line 3) | public ParkingSpot FindSpot(List<ParkingFloor> floors, Vehicle vehicle)

FILE: solutions/csharp/parkinglot/Strategies/Parking/IParkingStrategy.cs
  type IParkingStrategy (line 1) | interface IParkingStrategy
    method FindSpot (line 3) | ParkingSpot FindSpot(List<ParkingFloor> floors, Vehicle vehicle);

FILE: solutions/csharp/parkinglot/Strategies/Parking/NearestFirstStrategy.cs
  class NearestFirstStrategy (line 1) | class NearestFirstStrategy : IParkingStrategy
    method FindSpot (line 3) | public ParkingSpot FindSpot(List<ParkingFloor> floors, Vehicle vehicle)

FILE: solutions/csharp/pubsubsystem/Models/Message.cs
  class Message (line 1) | class Message
    method Message (line 6) | public Message(string payload)
    method GetPayload (line 12) | public string GetPayload()
    method ToString (line 17) | public override string ToString()

FILE: solutions/csharp/pubsubsystem/Models/Topic.cs
  class Topic (line 1) | class Topic
    method Topic (line 7) | public Topic(string name)
    method GetName (line 13) | public string GetName()
    method AddSubscriber (line 18) | public void AddSubscriber(ISubscriber subscriber)
    method RemoveSubscriber (line 26) | public void RemoveSubscriber(ISubscriber subscriber)
    method Broadcast (line 34) | public void Broadcast(Message message)

FILE: solutions/csharp/pubsubsystem/PubSubDemo.cs
  class PubSubDemo (line 6) | public class PubSubDemo
    method Main (line 8) | public static void Main(string[] args)

FILE: solutions/csharp/pubsubsystem/PubSubService.cs
  class PubSubService (line 3) | class PubSubService
    method PubSubService (line 10) | private PubSubService()
    method GetInstance (line 15) | public static PubSubService GetInstance()
    method CreateTopic (line 30) | public void CreateTopic(string topicName)
    method Subscribe (line 36) | public void Subscribe(string topicName, ISubscriber subscriber)
    method Unsubscribe (line 46) | public void Unsubscribe(string topicName, ISubscriber subscriber)
    method Publish (line 55) | public void Publish(string topicName, Message message)
    method Shutdown (line 65) | public void Shutdown()

FILE: solutions/csharp/pubsubsystem/Subscribers/AlertSubscriber.cs
  class AlertSubscriber (line 1) | class AlertSubscriber : ISubscriber
    method AlertSubscriber (line 5) | public AlertSubscriber(string id)
    method GetId (line 10) | public string GetId()
    method OnMessage (line 15) | public void OnMessage(Message message)

FILE: solutions/csharp/pubsubsystem/Subscribers/ISubscriber.cs
  type ISubscriber (line 1) | interface ISubscriber
    method GetId (line 3) | string GetId();
    method OnMessage (line 4) | void OnMessage(Message message);

FILE: solutions/csharp/pubsubsystem/Subscribers/NewsSubscriber.cs
  class NewsSubscriber (line 1) | class NewsSubscriber : ISubscriber
    method NewsSubscriber (line 5) | public NewsSubscriber(string id)
    method GetId (line 10) | public string GetId()
    method OnMessage (line 15) | public void OnMessage(Message message)

FILE: solutions/csharp/restaurantmanagementsystem/Commands/ICommand.cs
  type ICommand (line 1) | interface ICommand
    method Execute (line 3) | void Execute();

FILE: solutions/csharp/restaurantmanagementsystem/Commands/PrepareOrderCommand.cs
  class PrepareOrderCommand (line 1) | class PrepareOrderCommand : ICommand
    method PrepareOrderCommand (line 6) | public PrepareOrderCommand(Order order, Chef chef)
    method Execute (line 12) | public void Execute()

FILE: solutions/csharp/restaurantmanagementsystem/Commands/ServeOrderCommand.cs
  class ServeOrderCommand (line 1) | class ServeOrderCommand : ICommand
    method ServeOrderCommand (line 6) | public ServeOrderCommand(Order order, Waiter waiter)
    method Execute (line 12) | public void Execute()

FILE: solutions/csharp/restaurantmanagementsystem/Decorators/BillDecorator.cs
  class BillDecorator (line 1) | abstract class BillDecorator : IBillComponent
    method BillDecorator (line 5) | public BillDecorator(IBillComponent component)
    method CalculateTotal (line 10) | public virtual double CalculateTotal()
    method GetDescription (line 15) | public virtual string GetDescription()

FILE: solutions/csharp/restaurantmanagementsystem/Decorators/ServiceChargeDecorator.cs
  class ServiceChargeDecorator (line 1) | class ServiceChargeDecorator : BillDecorator
    method ServiceChargeDecorator (line 5) | public ServiceChargeDecorator(IBillComponent component, double charge)...
    method CalculateTotal (line 10) | public override double CalculateTotal()
    method GetDescription (line 15) | public override string GetDescription()

FILE: solutions/csharp/restaurantmanagementsystem/Decorators/TaxDecorator.cs
  class TaxDecorator (line 1) | class TaxDecorator : BillDecorator
    method TaxDecorator (line 5) | public TaxDecorator(IBillComponent component, double taxRate) : base(c...
    method CalculateTotal (line 10) | public override double CalculateTotal()
    method GetDescription (line 15) | public override string GetDescription()

FILE: solutions/csharp/restaurantmanagementsystem/Enum/TableStatus.cs
  type TableStatus (line 1) | enum TableStatus

FILE: solutions/csharp/restaurantmanagementsystem/Models/BaseBill.cs
  class BaseBill (line 1) | class BaseBill : IBillComponent
    method BaseBill (line 5) | public BaseBill(Order order)
    method CalculateTotal (line 10) | public double CalculateTotal() => order.GetTotalPrice();
    method GetDescription (line 11) | public string GetDescription() => "Order Items";

FILE: solutions/csharp/restaurantmanagementsystem/Models/Bill.cs
  class Bill (line 1) | class Bill
    method Bill (line 5) | public Bill(IBillComponent component)
    method PrintBill (line 10) | public void PrintBill()

FILE: solutions/csharp/restaurantmanagementsystem/Models/Chef.cs
  class Chef (line 1) | class Chef : Staff
    method Chef (line 3) | public Chef(string id, string name) : base(id, name) { }
    method PrepareOrder (line 5) | public void PrepareOrder(Order order)

FILE: solutions/csharp/restaurantmanagementsystem/Models/IBillComponent.cs
  type IBillComponent (line 1) | interface IBillComponent
    method CalculateTotal (line 3) | double CalculateTotal();
    method GetDescription (line 4) | string GetDescription();

FILE: solutions/csharp/restaurantmanagementsystem/Models/Menu.cs
  class Menu (line 1) | class Menu
    method AddItem (line 5) | public void AddItem(MenuItem item)
    method GetItem (line 10) | public MenuItem GetItem(string id)

FILE: solutions/csharp/restaurantmanagementsystem/Models/MenuItem.cs
  class MenuItem (line 1) | class MenuItem
    method MenuItem (line 7) | public MenuItem(string id, string name, double price)
    method GetId (line 14) | public string GetId() => id;
    method GetName (line 15) | public string GetName() => name;
    method GetPrice (line 16) | public double GetPrice() => price;

FILE: solutions/csharp/restaurantmanagementsystem/Models/Order.cs
  class Order (line 1) | class Order
    method Order (line 7) | public Order(int orderId, int tableId)
    method AddItem (line 13) | public void AddItem(OrderItem item)
    method GetTotalPrice (line 18) | public double GetTotalPrice()
    method GetOrderId (line 23) | public int GetOrderId() => orderId;
    method GetTableId (line 24) | public int GetTableId() => tableId;
    method GetOrderItems (line 25) | public List<OrderItem> GetOrderItems() => items;

FILE: solutions/csharp/restaurantmanagementsystem/Models/OrderItem.cs
  class OrderItem (line 1) | class OrderItem
    method OrderItem (line 8) | public OrderItem(MenuItem menuItem, Order order)
    method ChangeState (line 15) | public void ChangeState(IOrderItemState newState)
    method NextState (line 21) | public void NextState()
    method SetState (line 26) | public void SetState(IOrderItemState state)
    method AddObserver (line 31) | public void AddObserver(IOrderObserver observer)
    method NotifyObservers (line 36) | public void NotifyObservers()
    method GetMenuItem (line 44) | public MenuItem GetMenuItem() => menuItem;
    method GetOrder (line 45) | public Order GetOrder() => order;

FILE: solutions/csharp/restaurantmanagementsystem/Models/Restaurant.cs
  class Restaurant (line 1) | class Restaurant
    method Restaurant (line 10) | private Restaurant() { }
    method GetInstance (line 12) | public static Restaurant GetInstance()
    method AddWaiter (line 27) | public void AddWaiter(Waiter waiter) => waiters[waiter.GetId()] = waiter;
    method GetWaiter (line 28) | public Waiter GetWaiter(string id) => waiters.TryGetValue(id, out Wait...
    method AddChef (line 30) | public void AddChef(Chef chef) => chefs[chef.GetId()] = chef;
    method GetChef (line 31) | public Chef GetChef(string id) => chefs.TryGetValue(id, out Chef chef)...
    method GetChefs (line 33) | public List<Chef> GetChefs() => chefs.Values.ToList();
    method GetWaiters (line 34) | public List<Waiter> GetWaiters() => waiters.Values.ToList();
    method AddTable (line 36) | public void AddTable(Table table) => tables[table.GetId()] = table;
    method GetMenu (line 37) | public Menu GetMenu() => menu;

FILE: solutions/csharp/restaurantmanagementsystem/Models/Staff.cs
  class Staff (line 1) | abstract class Staff
    method Staff (line 6) | public Staff(string id, string name)
    method GetId (line 12) | public string GetId() => id;
    method GetName (line 13) | public string GetName() => name;

FILE: solutions/csharp/restaurantmanagementsystem/Models/Table.cs
  class Table (line 1) | class Table
    method Table (line 7) | public Table(int id, int capacity)
    method GetId (line 14) | public int GetId() => id;
    method GetCapacity (line 15) | public int GetCapacity() => capacity;
    method GetStatus (line 16) | public TableStatus GetStatus() => status;
    method SetStatus (line 17) | public void SetStatus(TableStatus status) => this.status = status;

FILE: solutions/csharp/restaurantmanagementsystem/Models/Waiter.cs
  class Waiter (line 1) | class Waiter : Staff, IOrderObserver
    method Waiter (line 3) | public Waiter(string id, string name) : base(id, name) { }
    method ServeOrder (line 5) | public void ServeOrder(Order order)
    method Update (line 14) | public void Update(OrderItem item)

FILE: solutions/csharp/restaurantmanagementsystem/Observer/IOrderObserver.cs
  type IOrderObserver (line 1) | interface IOrderObserver
    method Update (line 3) | void Update(OrderItem item);

FILE: solutions/csharp/restaurantmanagementsystem/RestaurantManagementSystemDemo.cs
  class RestaurantManagementSystemDemo (line 6) | public class RestaurantManagementSystemDemo
    method Main (line 8) | public static void Main(string[] args)

FILE: solutions/csharp/restaurantmanagementsystem/RestaurantManagementSystemFacade.cs
  class RestaurantManagementSystemFacade (line 1) | class RestaurantManagementSystemFacade
    method RestaurantManagementSystemFacade (line 9) | private RestaurantManagementSystemFacade() { }
    method GetInstance (line 11) | public static RestaurantManagementSystemFacade GetInstance()
    method AddTable (line 26) | public Table AddTable(int id, int capacity)
    method AddWaiter (line 33) | public Waiter AddWaiter(string id, string name)
    method AddChef (line 40) | public Chef AddChef(string id, string name)
    method AddMenuItem (line 47) | public MenuItem AddMenuItem(string id, string name, double price)
    method TakeOrder (line 54) | public Order TakeOrder(int tableId, string waiterId, List<string> menu...
    method MarkItemsAsReady (line 85) | public void MarkItemsAsReady(int orderId)
    method ServeOrder (line 97) | public void ServeOrder(string waiterId, int orderId)
    method GenerateBill (line 106) | public Bill GenerateBill(int orderId)

FILE: solutions/csharp/restaurantmanagementsystem/States/IOrderItemState.cs
  type IOrderItemState (line 1) | interface IOrderItemState
    method Next (line 3) | void Next(OrderItem item);
    method Prev (line 4) | void Prev(OrderItem item);
    method GetStatus (line 5) | string GetStatus();

FILE: solutions/csharp/restaurantmanagementsystem/States/OrderedState.cs
  class OrderedState (line 1) | class OrderedState : IOrderItemState
    method Next (line 3) | public void Next(OrderItem item)
    method Prev (line 8) | public void Prev(OrderItem item)
    method GetStatus (line 13) | public string GetStatus() => "ORDERED";

FILE: solutions/csharp/restaurantmanagementsystem/States/PreparingState.cs
  class PreparingState (line 1) | class PreparingState : IOrderItemState
    method Next (line 3) | public void Next(OrderItem item)
    method Prev (line 8) | public void Prev(OrderItem item)
    method GetStatus (line 13) | public string GetStatus() => "PREPARING";

FILE: solutions/csharp/restaurantmanagementsystem/States/ReadyForPickupState.cs
  class ReadyForPickupState (line 1) | class ReadyForPickupState : IOrderItemState
    method Next (line 3) | public void Next(OrderItem item)
    method Prev (line 8) | public void Prev(OrderItem item)
    method GetStatus (line 13) | public string GetStatus() => "READY_FOR_PICKUP";

FILE: solutions/csharp/restaurantmanagementsystem/States/ServedState.cs
  class ServedState (line 1) | class ServedState : IOrderItemState
    method Next (line 3) | public void Next(OrderItem item)
    method Prev (line 8) | public void Prev(OrderItem item)
    method GetStatus (line 13) | public string GetStatus() => "SERVED";

FILE: solutions/csharp/ridesharingservice/Enums/DriverStatus.cs
  type DriverStatus (line 1) | enum DriverStatus

FILE: solutions/csharp/ridesharingservice/Enums/RideType.cs
  type RideType (line 1) | enum RideType

FILE: solutions/csharp/ridesharingservice/Enums/TripStatus.cs
  type TripStatus (line 1) | enum TripStatus

FILE: solutions/csharp/ridesharingservice/Models/Driver.cs
  class Driver (line 1) | class Driver : User
    method Driver (line 7) | public Driver(string name, string contact, Vehicle v, Location loc)
    method SetStatus (line 18) | public void SetStatus(DriverStatus s)
    method SetCurrentLocation (line 26) | public void SetCurrentLocation(Location loc)
    method OnUpdate (line 31) | public override void OnUpdate(Trip trip)

FILE: solutions/csharp/ridesharingservice/Models/Location.cs
  class Location (line 1) | class Location
    method Location (line 6) | public Location(double lat, double lng)
    method DistanceTo (line 12) | public double DistanceTo(Location other)
    method ToString (line 22) | public override string ToString()

FILE: solutions/csharp/ridesharingservice/Models/Rider.cs
  class Rider (line 1) | class Rider : User
    method Rider (line 3) | public Rider(string name, string contact) : base(name, contact) { }
    method OnUpdate (line 5) | public override void OnUpdate(Trip trip)

FILE: solutions/csharp/ridesharingservice/Models/Trip.cs
  class Trip (line 1) | class Trip
    method Trip (line 15) | public Trip(TripBuilder builder)
    method AddObserver (line 27) | public void AddObserver(ITripObserver observer)
    method NotifyObservers (line 32) | private void NotifyObservers()
    method AssignDriver (line 40) | public void AssignDriver(Driver d)
    method StartTrip (line 47) | public void StartTrip()
    method EndTrip (line 53) | public void EndTrip()
    method SetState (line 69) | public void SetState(ITripState state)
    method SetStatus (line 74) | public void SetStatus(TripStatus s)
    method SetDriver (line 79) | public void SetDriver(Driver d)
    method ToString (line 84) | public override string ToString()
  class TripBuilder (line 90) | class TripBuilder
    method TripBuilder (line 98) | public TripBuilder()
    method WithRider (line 103) | public TripBuilder WithRider(Rider r)
    method WithPickupLocation (line 109) | public TripBuilder WithPickupLocation(Location loc)
    method WithDropoffLocation (line 115) | public TripBuilder WithDropoffLocation(Location loc)
    method WithFare (line 121) | public TripBuilder WithFare(double f)
    method Build (line 127) | public Trip Build()

FILE: solutions/csharp/ridesharingservice/Models/User.cs
  class User (line 1) | abstract class User : ITripObserver
    method User (line 10) | public User(string n, string c)
    method AddTripToHistory (line 18) | public void AddTripToHistory(Trip trip)
    method OnUpdate (line 28) | public abstract void OnUpdate(Trip trip);

FILE: solutions/csharp/ridesharingservice/Models/Vehicle.cs
  class Vehicle (line 1) | class Vehicle
    method Vehicle (line 7) | public Vehicle(string license, string m, RideType t)

FILE: solutions/csharp/ridesharingservice/Observer/ITripObserver.cs
  type ITripObserver (line 1) | interface ITripObserver
    method OnUpdate (line 3) | void OnUpdate(Trip trip);

FILE: solutions/csharp/ridesharingservice/RideSharingService.cs
  class RideSharingService (line 1) | class RideSharingService
    method RideSharingService (line 12) | private RideSharingService() { }
    method SetPricingStrategy (line 32) | public void SetPricingStrategy(IPricingStrategy strategy)
    method SetDriverMatchingStrategy (line 37) | public void SetDriverMatchingStrategy(IDriverMatchingStrategy strategy)
    method RegisterRider (line 42) | public Rider RegisterRider(string name, string contact)
    method RegisterDriver (line 49) | public Driver RegisterDriver(string name, string contact, Vehicle vehi...
    method RequestRide (line 56) | public Trip RequestRide(string riderId, Location pickup, Location drop...
    method AcceptRide (line 101) | public void AcceptRide(string driverId, string tripId)
    method StartTrip (line 114) | public void StartTrip(string tripId)
    method EndTrip (line 124) | public void EndTrip(string tripId)

FILE: solutions/csharp/ridesharingservice/RideSharingServiceDemo.cs
  class RideSharingServiceDemo (line 5) | public class RideSharingServiceDemo
    method Main (line 7) | public static void Main()

FILE: solutions/csharp/ridesharingservice/States/AssignedState.cs
  class AssignedState (line 1) | class AssignedState : ITripState
    method Request (line 3) | public void Request(Trip trip)
    method Assign (line 8) | public void Assign(Trip trip, Driver driver)
    method Start (line 13) | public void Start(Trip trip)
    method End (line 19) | public void End(Trip trip)

FILE: solutions/csharp/ridesharingservice/States/CompletedState.cs
  class CompletedState (line 1) | class CompletedState : ITripState
    method Request (line 3) | public void Request(Trip trip)
    method Assign (line 8) | public void Assign(Trip trip, Driver driver)
    method Start (line 13) | public void Start(Trip trip)
    method End (line 18) | public void End(Trip trip)

FILE: solutions/csharp/ridesharingservice/States/ITripState.cs
  type ITripState (line 1) | interface ITripState
    method Request (line 3) | void Request(Trip trip);
    method Assign (line 4) | void Assign(Trip trip, Driver driver);
    method Start (line 5) | void Start(Trip trip);
    method End (line 6) | void End(Trip trip);

FILE: solutions/csharp/ridesharingservice/States/InProgressState.cs
  class InProgressState (line 1) | class InProgressState : ITripState
    method Request (line 3) | public void Request(Trip trip)
    method Assign (line 8) | public void Assign(Trip trip, Driver driver)
    method Start (line 13) | public void Start(Trip trip)
    method End (line 18) | public void End(Trip trip)

FILE: solutions/csharp/ridesharingservice/States/RequestedState.cs
  class RequestedState (line 1) | class RequestedState : ITripState
    method Request (line 3) | public void Request(Trip trip)
    method Assign (line 8) | public void Assign(Trip trip, Driver driver)
    method Start (line 15) | public void Start(Trip trip)
    method End (line 20) | public void End(Trip trip)

FILE: solutions/csharp/ridesharingservice/Strategies/Matching/IDriverMatchingStrategy.cs
  type IDriverMatchingStrategy (line 1) | interface IDriverMatchingStrategy
    method FindDrivers (line 3) | List<Driver> FindDrivers(List<Driver> allDrivers, Location pickupLocat...

FILE: solutions/csharp/ridesharingservice/Strategies/Matching/NearestDriverMatchingStrategy.cs
  class NearestDriverMatchingStrategy (line 1) | class NearestDriverMatchingStrategy : IDriverMatchingStrategy
    method FindDrivers (line 5) | public List<Driver> FindDrivers(List<Driver> allDrivers, Location pick...

FILE: solutions/csharp/ridesharingservice/Strategies/Pricing/FlatRatePricingStrategy.cs
  class FlatRatePricingStrategy (line 1) | class FlatRatePricingStrategy : IPricingStrategy
    method CalculateFare (line 6) | public double CalculateFare(Location pickup, Location dropoff, RideTyp...

FILE: solutions/csharp/ridesharingservice/Strategies/Pricing/IPricingStrategy.cs
  type IPricingStrategy (line 1) | interface IPricingStrategy
    method CalculateFare (line 3) | double CalculateFare(Location pickup, Location dropoff, RideType rideT...

FILE: solutions/csharp/ridesharingservice/Strategies/Pricing/VehicleBasedPricingStrategy.cs
  class VehicleBasedPricingStrategy (line 1) | class VehicleBasedPricingStrategy : IPricingStrategy
    method CalculateFare (line 11) | public double CalculateFare(Location pickup, Location dropoff, RideTyp...

FILE: solutions/csharp/snakeandladdergame/Enums/GameStatus.cs
  type GameStatus (line 1) | enum GameStatus

FILE: solutions/csharp/snakeandladdergame/Game.cs
  class Game (line 1) | class Game
    method Game (line 9) | public Game(Board board, Queue<Player> players, Dice dice)
    method Play (line 18) | public void Play()
    method TakeTurn (line 47) | private void TakeTurn(Player player)
  class GameBuilder (line 96) | class GameBuilder
    method SetBoard (line 102) | public GameBuilder SetBoard(int boardSize, List<BoardEntity> boardEnti...
    method SetPlayers (line 108) | public GameBuilder SetPlayers(List<string> playerNames)
    method SetDice (line 118) | public GameBuilder SetDice(Dice dice)
    method Build (line 124) | public Game Build()

FILE: solutions/csharp/snakeandladdergame/Models/Board.cs
  class Board (line 1) | class Board
    method Board (line 6) | public Board(int size, List<BoardEntity> entities)
    method GetSize (line 17) | public int GetSize()
    method GetFinalPosition (line 22) | public int GetFinalPosition(int position)

FILE: solutions/csharp/snakeandladdergame/Models/BoardEntity.cs
  class BoardEntity (line 1) | abstract class BoardEntity
    method BoardEntity (line 6) | public BoardEntity(int start, int end)
    method GetStart (line 12) | public int GetStart()
    method GetEnd (line 17) | public int GetEnd()

FILE: solutions/csharp/snakeandladdergame/Models/Dice.cs
  class Dice (line 1) | class Dice
    method Dice (line 7) | public Dice(int minValue, int maxValue)
    method Roll (line 13) | public int Roll()

FILE: solutions/csharp/snakeandladdergame/Models/Ladder.cs
  class Ladder (line 1) | class Ladder : BoardEntity
    method Ladder (line 3) | public Ladder(int start, int end) : base(start, end)

FILE: solutions/csharp/snakeandladdergame/Models/Player.cs
  class Player (line 1) | class Player
    method Player (line 6) | public Player(string name)
    method GetName (line 12) | public string GetName()
    method GetPosition (line 17) | public int GetPosition()
    method SetPosition (line 22) | public void SetPosition(int position)

FILE: solutions/csharp/snakeandladdergame/Models/Snake.cs
  class Snake (line 1) | class Snake : BoardEntity
    method Snake (line 3) | public Snake(int start, int end) : base(start, end)

FILE: solutions/csharp/snakeandladdergame/SnakeAndLadderDemo.cs
  class SnakeAndLadderDemo (line 4) | public class SnakeAndLadderDemo
    method Main (line 6) | public static void Main()

FILE: solutions/csharp/socialnetworkingservice/Models/Comment.cs
  class Comment (line 1) | class Comment : CommentableEntity
    method Comment (line 3) | public Comment(User author, string content) : base(author, content) { }
    method GetReplies (line 5) | public List<Comment> GetReplies()

FILE: solutions/csharp/socialnetworkingservice/Models/CommentableEntity.cs
  class CommentableEntity (line 1) | abstract class CommentableEntity
    method CommentableEntity (line 10) | public CommentableEntity(User author, string content)
    method AddLike (line 18) | public void AddLike(User user)
    method AddComment (line 23) | public void AddComment(Comment comment)
    method GetId (line 28) | public string GetId() { return id; }
    method GetAuthor (line 29) | public User GetAuthor() { return author; }
    method GetContent (line 30) | public string GetContent() { return content; }
    method GetTimestamp (line 31) | public DateTime GetTimestamp() { return timestamp; }
    method GetComments (line 32) | public List<Comment> GetComments() { return comments; }
    method GetLikes (line 33) | public HashSet<User> GetLikes() { return likes; }

FILE: solutions/csharp/socialnetworkingservice/Models/Post.cs
  class Post (line 1) | class Post : CommentableEntity
    method Post (line 3) | public Post(User author, string content) : base(author, content) { }

FILE: solutions/csharp/socialnetworkingservice/Models/User.cs
  class User (line 1) | class User
    method User (line 9) | public User(string name, string email)
    method AddFriend (line 16) | public void AddFriend(User friend)
    method AddPost (line 21) | public void AddPost(Post post)
    method GetId (line 26) | public string GetId() { return id; }
    method GetName (line 27) | public string GetName() { return name; }
    method GetFriends (line 28) | public HashSet<User> GetFriends() { return friends; }
    method GetPosts (line 29) | public List<Post> GetPosts() { return posts; }

FILE: solutions/csharp/socialnetworkingservice/Observer/IPostObserver.cs
  type IPostObserver (line 1) | interface IPostObserver
    method OnPostCreated (line 3) | void OnPostCreated(Post post);
    method OnLike (line 4) | void OnLike(Post post, User user);
    method OnComment (line 5) | void OnComment(Post post, Comment comment);

FILE: solutions/csharp/socialnetworkingservice/Observer/UserNotifier.cs
  class UserNotifier (line 1) | class UserNotifier : IPostObserver
    method OnPostCreated (line 3) | public void OnPostCreated(Post post)
    method OnLike (line 12) | public void OnLike(Post post, User user)
    method OnComment (line 18) | public void OnComment(Post post, Comment comment)

FILE: solutions/csharp/socialnetworkingservice/Repositories/PostRepository.cs
  class PostRepository (line 1) | class PostRepository
    method PostRepository (line 6) | private PostRepository() { }
    method GetInstance (line 8) | public static PostRepository GetInstance()
    method Save (line 13) | public void Save(Post post)
    method FindById (line 18) | public Post FindById(string id)

FILE: solutions/csharp/socialnetworkingservice/Repositories/UserRepository.cs
  class UserRepository (line 1) | class UserRepository
    method UserRepository (line 6) | private UserRepository() { }
    method GetInstance (line 8) | public static UserRepository GetInstance()
    method Save (line 13) | public void Save(User user)
    method FindById (line 18) | public User FindById(string id)

FILE: solutions/csharp/socialnetworkingservice/Services/NewsFeedService.cs
  class NewsFeedService (line 1) | class NewsFeedService
    method NewsFeedService (line 5) | public NewsFeedService()
    method SetStrategy (line 10) | public void SetStrategy(INewsFeedGenerationStrategy strategy)
    method GetNewsFeed (line 15) | public List<Post> GetNewsFeed(User user)

FILE: solutions/csharp/socialnetworkingservice/Services/PostService.cs
  class PostService (line 1) | class PostService
    method AddObserver (line 6) | public void AddObserver(IPostObserver observer)
    method CreatePost (line 11) | public Post CreatePost(User author, string content)
    method LikePost (line 23) | public void LikePost(User user, string postId)
    method AddComment (line 33) | public void AddComment(User author, string commentableId, string content)

FILE: solutions/csharp/socialnetworkingservice/Services/UserService.cs
  class UserService (line 1) | class UserService
    method CreateUser (line 5) | public User CreateUser(string name, string email)
    method AddFriend (line 12) | public void AddFriend(string userId1, string userId2)
    method GetUserById (line 21) | public User GetUserById(string userId)

FILE: solutions/csharp/socialnetworkingservice/SocialNetworkFacade.cs
  class SocialNetworkFacade (line 1) | class SocialNetworkFacade
    method SocialNetworkFacade (line 7) | public SocialNetworkFacade()
    method CreateUser (line 16) | public User CreateUser(string name, string email)
    method AddFriend (line 21) | public void AddFriend(string userId1, string userId2)
    method CreatePost (line 26) | public Post CreatePost(string authorId, string content)
    method AddComment (line 32) | public void AddComment(string userId, string postId, string content)
    method LikePost (line 38) | public void LikePost(string userId, string postId)
    method GetNewsFeed (line 44) | public List<Post> GetNewsFeed(string userId)

FILE: solutions/csharp/socialnetworkingservice/SocialNetworkingDemo.cs
  class SocialNetworkDemo (line 5) | public class SocialNetworkDemo
    method PrintFeed (line 7) | private static void PrintFeed(List<Post> feed)
    method Main (line 23) | public static void Main(string[] args)

FILE: solutions/csharp/socialnetworkingservice/Strategy/ChronologicalStrategy.cs
  class ChronologicalStrategy (line 1) | class ChronologicalStrategy : INewsFeedGenerationStrategy
    method GenerateFeed (line 3) | public List<Post> GenerateFeed(User user)

FILE: solutions/csharp/socialnetworkingservice/Strategy/INewsFeedGenerationStrategy.cs
  type INewsFeedGenerationStrategy (line 1) | interface INewsFeedGenerationStrategy
    method GenerateFeed (line 3) | List<Post> GenerateFeed(User user);

FILE: solutions/csharp/splitwise/Models/BalanceSheet.cs
  class BalanceSheet (line 1) | class BalanceSheet
    method BalanceSheet (line 7) | public BalanceSheet(User owner)
    method GetBalances (line 12) | public Dictionary<User, double> GetBalances() => balances;
    method AdjustBalance (line 14) | public void AdjustBalance(User otherUser, double amount)
    method ShowBalances (line 34) | public void ShowBalances()

FILE: solutions/csharp/splitwise/Models/Expense.cs
  class Expense (line 1) | class Expense
    method Expense (line 10) | public Expense(ExpenseBuilder builder)
    method GetId (line 23) | public string GetId() => id;
    method GetDescription (line 24) | public string GetDescription() => description;
    method GetAmount (line 25) | public double GetAmount() => amount;
    method GetPaidBy (line 26) | public User GetPaidBy() => paidBy;
    method GetSplits (line 27) | public List<Split> GetSplits() => splits;
  class ExpenseBuilder (line 30) | class ExpenseBuilder
    method SetId (line 40) | public ExpenseBuilder SetId(string id)
    method SetDescription (line 46) | public ExpenseBuilder SetDescription(string description)
    method SetAmount (line 52) | public ExpenseBuilder SetAmount(double amount)
    method SetPaidBy (line 58) | public ExpenseBuilder SetPaidBy(User paidBy)
    method SetParticipants (line 64) | public ExpenseBuilder SetParticipants(List<User> participants)
    method SetSplitStrategy (line 70) | public ExpenseBuilder SetSplitStrategy(SplitStrategy splitStrategy)
    method SetSplitValues (line 76) | public ExpenseBuilder SetSplitValues(List<double> splitValues)
    method Build (line 82) | public Expense Build()

FILE: solutions/csharp/splitwise/Models/Group.cs
  class Group (line 1) | class Group
    method Group (line 7) | public Group(string name, List<User> members)
    method GetId (line 14) | public string GetId() => id;
    method GetName (line 15) | public string GetName() => name;
    method GetMembers (line 16) | public List<User> GetMembers() => new List<User>(members);

FILE: solutions/csharp/splitwise/Models/Split.cs
  class Split (line 1) | class Split
    method Split (line 6) | public Split(User user, double amount)
    method GetUser (line 12) | public User GetUser() => user;
    method GetAmount (line 13) | public double GetAmount() => amount;

FILE: solutions/csharp/splitwise/Models/Transaction.cs
  class Transaction (line 1) | class Transaction
    method Transaction (line 7) | public Transaction(User from, User to, double amount)
    method ToString (line 14) | public override string ToString()

FILE: solutions/csharp/splitwise/Models/User.cs
  class User (line 1) | class User
    method User (line 8) | public User(string name, string email)
    method GetId (line 16) | public string GetId() => id;
    method GetName (line 17) | public string GetName() => name;
    method GetBalanceSheet (line 18) | public BalanceSheet GetBalanceSheet() => balanceSheet;

FILE: solutions/csharp/splitwise/SplitwiseDemo.cs
  class SplitwiseDemo (line 6) | public class SplitwiseDemo
    method Main (line 8) | public static void Main(string[] args)

FILE: solutions/csharp/splitwise/SplitwiseService.cs
  class SplitwiseService (line 1) | class SplitwiseService
    method SplitwiseService (line 8) | private SplitwiseService() { }
    method GetInstance (line 10) | public static SplitwiseService GetInstance()
    method AddUser (line 25) | public User AddUser(string name, string email)
    method AddGroup (line 32) | public Group AddGroup(string name, List<User> members)
    method GetUser (line 39) | public User GetUser(string id)
    method GetGroup (line 44) | public Group GetGroup(string id)
    method CreateExpense (line 49) | public void CreateExpense(ExpenseBuilder builder)
    method SettleUp (line 72) | public void SettleUp(string payerId, string payeeId, double amount)
    method ShowBalanceSheet (line 86) | public void ShowBalanceSheet(string userId)
    method SimplifyGroupDebts (line 92) | public List<Transaction> SimplifyGroupDebts(string groupId)

FILE: solutions/csharp/splitwise/Strategy/EqualSplitStrategy.cs
  class EqualSplitStrategy (line 1) | class EqualSplitStrategy : SplitStrategy
    method CalculateSplits (line 3) | public override List<Split> CalculateSplits(double totalAmount, User p...

FILE: solutions/csharp/splitwise/Strategy/ExactSplitStrategy.cs
  class ExactSplitStrategy (line 1) | class ExactSplitStrategy : SplitStrategy
    method CalculateSplits (line 3) | public override List<Split> CalculateSplits(double totalAmount, User p...

FILE: solutions/csharp/splitwise/Strategy/PercentageSplitStrategy.cs
  class PercentageSplitStrategy (line 1) | class PercentageSplitStrategy : SplitStrategy
    method CalculateSplits (line 3) | public override List<Split> CalculateSplits(double totalAmount, User p...

FILE: solutions/csharp/splitwise/Strategy/SplitStrategy.cs
  class SplitStrategy (line 1) | abstract class SplitStrategy
    method CalculateSplits (line 3) | public abstract List<Split> CalculateSplits(double totalAmount, User p...

FILE: solutions/csharp/stackoverflow/Enums/EventType.cs
  type EventType (line 1) | enum EventType

FILE: solutions/csharp/stackoverflow/Enums/VoteType.cs
  type VoteType (line 1) | enum VoteType

FILE: solutions/csharp/stackoverflow/Models/Answer.cs
  class Answer (line 1) | class Answer : Post
    method Answer (line 5) | public Answer(string body, User author)
    method SetAccepted (line 10) | public void SetAccepted(bool accepted)
    method IsAcceptedAnswer (line 15) | public bool IsAcceptedAnswer() { return isAccepted; }

FILE: solutions/csharp/stackoverflow/Models/Comment.cs
  class Comment (line 1) | class Comment : Content
    method Comment (line 3) | public Comment(string body, User author)

FILE: solutions/csharp/stackoverflow/Models/Content.cs
  class Content (line 1) | abstract class Content
    method Content (line 8) | public Content(string id, string body, User author)
    method GetId (line 16) | public string GetId() { return id; }
    method GetBody (line 17) | public string GetBody() { return body; }
    method GetAuthor (line 18) | public User GetAuthor() { return author; }

FILE: solutions/csharp/stackoverflow/Models/Post.cs
  class Post (line 3) | abstract class Post : Content
    method Post (line 11) | public Post(string id, string body, User author) : base(id, body, author)
    method AddObserver (line 15) | public void AddObserver(IPostObserver observer)
    method NotifyObservers (line 20) | protected void NotifyObservers(Event eventObj)
    method Vote (line 28) | public void Vote(User user, VoteType voteType)

FILE: solutions/csharp/stackoverflow/Models/Question.cs
  class Question (line 1) | class Question : Post
    method Question (line 8) | public Question(string title, string body, User author, HashSet<Tag> t...
    method AddAnswer (line 15) | public void AddAnswer(Answer answer)
    method AcceptAnswer (line 20) | public void AcceptAnswer(Answer answer)
    method GetTitle (line 33) | public string GetTitle() { return title; }
    method GetTags (line 34) | public HashSet<Tag> GetTags() { return tags; }
    method GetAnswers (line 35) | public List<Answer> GetAnswers() { return answers; }

FILE: solutions/csharp/stackoverflow/Models/Tag.cs
  class Tag (line 1) | class Tag : IComparable<Tag>
    method Tag (line 5) | public Tag(string name)
    method GetName (line 10) | public string GetName() { return name; }
    method CompareTo (line 12) | public int CompareTo(Tag other)
    method Equals (line 17) | public override bool Equals(object obj)
    method GetHashCode (line 26) | public override int GetHashCode()

FILE: solutions/csharp/stackoverflow/Models/User.cs
  class User (line 1) | class User
    method User (line 8) | public User(string name)
    method UpdateReputation (line 15) | public void UpdateReputation(int change)
    method GetId (line 23) | public string GetId() { return id; }
    method GetName (line 24) | public string GetName() { return name; }
    method GetReputation (line 25) | public int GetReputation()

FILE: solutions/csharp/stackoverflow/Observer/Event.cs
  class Event (line 1) | class Event
    method Event (line 7) | public Event(EventType type, User actor, Post targetPost)
    method GetEventType (line 14) | public EventType GetEventType() { return type; }
    method GetActor (line 15) | public User GetActor() { return actor; }
    method GetTargetPost (line 16) | public Post GetTargetPost() { return targetPost; }

FILE: solutions/csharp/stackoverflow/Observer/IPostObserver.cs
  type IPostObserver (line 1) | interface IPostObserver
    method OnPostEvent (line 3) | void OnPostEvent(Event eventObj);

FILE: solutions/csharp/stackoverflow/Observer/ReputationManager.cs
  class ReputationManager (line 1) | class ReputationManager : IPostObserver
    method OnPostEvent (line 9) | public void OnPostEvent(Event eventObj)

FILE: solutions/csharp/stackoverflow/StackOverflowDemo.cs
  class StackOverflowDemo (line 6) | public class StackOverflowDemo
    method Main (line 8) | public static void Main(string[] args)
    method PrintReputations (line 57) | private static void PrintReputations(params User[] users)

FILE: solutions/csharp/stackoverflow/StackOverflowService.cs
  class StackOverflowService (line 3) | class StackOverflowService
    method CreateUser (line 10) | public User CreateUser(string name)
    method PostQuestion (line 17) | public Question PostQuestion(string userId, string title, string body,...
    method PostAnswer (line 26) | public Answer PostAnswer(string userId, string questionId, string body)
    method VoteOnPost (line 37) | public void VoteOnPost(string userId, string postId, VoteType voteType)
    method AcceptAnswer (line 44) | public void AcceptAnswer(string questionId, string answerId)
    method SearchQuestions (line 51) | public List<Question> SearchQuestions(List<ISearchStrategy> strategies)
    method GetUser (line 63) | public User GetUser(string userId)
    method FindPostById (line 68) | private Post FindPostById(string postId)

FILE: solutions/csharp/stackoverflow/Strategy/ISearchStrategy.cs
  type ISearchStrategy (line 1) | interface ISearchStrategy
    method Filter (line 3) | List<Question> Filter(List<Question> questions);

FILE: solutions/csharp/stackoverflow/Strategy/KeywordSearchStrategy.cs
  class KeywordSearchStrategy (line 1) | class KeywordSearchStrategy : ISearchStrategy
    method KeywordSearchStrategy (line 5) | public KeywordSearchStrategy(string keyword)
    method Filter (line 10) | public List<Question> Filter(List<Question> questions)

FILE: solutions/csharp/stackoverflow/Strategy/TagSearchStrategy.cs
  class TagSearchStrategy (line 1) | class TagSearchStrategy : ISearchStrategy
    method TagSearchStrategy (line 5) | public TagSearchStrategy(Tag tag)
    method Filter (line 10) | public List<Question> Filter(List<Question> questions)

FILE: solutions/csharp/stackoverflow/Strategy/UserSearchStrategy.cs
  class UserSearchStrategy (line 1) | class UserSearchStrategy : ISearchStrategy
    method UserSearchStrategy (line 5) | public UserSearchStrategy(User user)
    method Filter (line 10) | public List<Question> Filter(List<Question> questions)

FILE: solutions/csharp/taskmanagementsystem/Enums/TaskPriority.cs
  type TaskPriority (line 1) | enum TaskPriority

FILE: solutions/csharp/taskmanagementsystem/Enums/TaskStatus.cs
  type TaskStatus (line 1) | enum TaskStatus

FILE: solutions/csharp/taskmanagementsystem/Models/ActivityLog.cs
  class ActivityLog (line 1) | class ActivityLog
    method ActivityLog (line 6) | public ActivityLog(string description)
    method ToString (line 12) | public override string ToString()

FILE: solutions/csharp/taskmanagementsystem/Models/Comment.cs
  class Comment (line 1) | class Comment
    method Comment (line 8) | public Comment(string content, User author)
    method GetAuthor (line 16) | public User GetAuthor() => author;

FILE: solutions/csharp/taskmanagementsystem/Models/Tag.cs
  class Tag (line 1) | class Tag
    method Tag (line 5) | public Tag(string name)
    method GetName (line 10) | public string GetName() => name;

FILE: solutions/csharp/taskmanagementsystem/Models/Task.cs
  class Task (line 1) | class Task
    method Task (line 18) | public Task(TaskBuilder builder)
    method SetAssignee (line 36) | public void SetAssignee(User user)
    method UpdatePriority (line 46) | public void UpdatePriority(TaskPriority priority)
    method AddComment (line 55) | public void AddComment(Comment comment)
    method AddSubtask (line 65) | public void AddSubtask(Task subtask)
    method SetState (line 76) | public void SetState(TaskState state)
    method StartProgress (line 83) | public void StartProgress() => currentState.StartProgress(this);
    method CompleteTask (line 84) | public void CompleteTask() => currentState.CompleteTask(this);
    method ReopenTask (line 85) | public void ReopenTask() => currentState.ReopenTask(this);
    method AddObserver (line 88) | public void AddObserver(ITaskObserver observer) => observers.Add(obser...
    method RemoveObserver (line 89) | public void RemoveObserver(ITaskObserver observer) => observers.Remove...
    method NotifyObservers (line 91) | public void NotifyObservers(string changeType)
    method AddLog (line 99) | public void AddLog(string logDescription)
    method IsComposite (line 104) | public bool IsComposite() => subtasks.Count > 0;
    method Display (line 106) | public void Display(string indent = "")
    method GetId (line 119) | public string GetId() => id;
    method GetTitle (line 120) | public string GetTitle() => title;
    method GetDescription (line 121) | public string GetDescription() => description;
    method GetPriority (line 122) | public TaskPriority GetPriority() => priority;
    method GetDueDate (line 123) | public string GetDueDate() => dueDate;
    method GetAssignee (line 124) | public User GetAssignee() => assignee;
    method GetStatus (line 125) | public TaskStatus GetStatus() => currentState.GetStatus();
    method SetTitle (line 127) | public void SetTitle(string title) => this.title = title;
    method SetDescription (line 128) | public void SetDescription(string description) => this.description = d...
  class TaskBuilder (line 132) | class TaskBuilder
    method TaskBuilder (line 143) | public TaskBuilder(string title)
    method SetDescription (line 149) | public TaskBuilder SetDescription(string description)
    method SetDueDate (line 155) | public TaskBuilder SetDueDate(string dueDate)
    method SetPriority (line 161) | public TaskBuilder SetPriority(TaskPriority priority)
    method SetAssignee (line 167) | public TaskBuilder SetAssignee(User assignee)
    method SetCreatedBy (line 173) | public TaskBuilder SetCreatedBy(User createdBy)
    method SetTags (line 179) | public TaskBuilder SetTags(HashSet<Tag> tags)
    method Build (line 185) | public Task Build()

FILE: solutions/csharp/taskmanagementsystem/Models/TaskList.cs
  class TaskList (line 1) | class TaskList
    method TaskList (line 8) | public TaskList(string name)
    method AddTask (line 15) | public void AddTask(Task task)
    method GetTasks (line 23) | public List<Task> GetTasks()
    method GetId (line 31) | public string GetId() => id;
    method GetName (line 32) | public string GetName() => name;
    method Display (line 34) | public void Display()

FILE: solutions/csharp/taskmanagementsystem/Models/User.cs
  class User (line 1) | class User
    method User (line 7) | public User(string name, string email)
    method GetId (line 14) | public string GetId() => id;
    method GetEmail (line 15) | public string GetEmail() => email;
    method GetName (line 16) | public string GetName() => name;

FILE: solutions/csharp/taskmanagementsystem/Observer/ActivityLogger.cs
  class ActivityLogger (line 1) | class ActivityLogger : ITaskObserver
    method Update (line 3) | public void Update(Task task, string changeType)

FILE: solutions/csharp/taskmanagementsystem/Observer/ITaskObserver.cs
  type ITaskObserver (line 1) | interface ITaskObserver
    method Update (line 3) | void Update(Task task, string changeType);

FILE: solutions/csharp/taskmanagementsystem/State/DoneState.cs
  class DoneState (line 1) | class DoneState : TaskState
    method StartProgress (line 3) | public override void StartProgress(Task task)
    method CompleteTask (line 8) | public override void CompleteTask(Task task)
    method ReopenTask (line 13) | public override void ReopenTask(Task task)
    method GetStatus (line 18) | public override TaskStatus GetStatus() => TaskStatus.DONE;

FILE: solutions/csharp/taskmanagementsystem/State/InProgressState.cs
  class InProgressState (line 1) | class InProgressState : TaskState
    method StartProgress (line 3) | public override void StartProgress(Task task)
    method CompleteTask (line 8) | public override void CompleteTask(Task task)
    method ReopenTask (line 13) | public override void ReopenTask(Task task)
    method GetStatus (line 18) | public override TaskStatus GetStatus() => TaskStatus.IN_PROGRESS;

FILE: solutions/csharp/taskmanagementsystem/State/TaskState.cs
  class TaskState (line 1) | abstract class TaskState
    method StartProgress (line 3) | public abstract void StartProgress(Task task);
    method CompleteTask (line 4) | public abstract void CompleteTask(Task task);
    method ReopenTask (line 5) | public abstract void ReopenTask(Task task);
    method GetStatus (line 6) | public abstract TaskStatus GetStatus();

FILE: solutions/csharp/taskmanagementsystem/State/TodoState.cs
  class TodoState (line 1) | class TodoState : TaskState
    method StartProgress (line 3) | public override void StartProgress(Task task)
    method CompleteTask (line 8) | public override void CompleteTask(Task task)
    method ReopenTask (line 13) | public override void ReopenTask(Task task)
    method GetStatus (line 18) | public override TaskStatus GetStatus() => TaskStatus.TODO;

FILE: solutions/csharp/taskmanagementsystem/Strategy/SortByDueDate.cs
  class SortByDueDate (line 1) | class SortByDueDate : TaskSortStrategy
    method Sort (line 3) | public override void Sort(List<Task> tasks)

FILE: solutions/csharp/taskmanagementsystem/Strategy/SortByPriority.cs
  class SortByPriority (line 1) | class SortByPriority : TaskSortStrategy
    method Sort (line 3) | public override void Sort(List<Task> tasks)

FILE: solutions/csharp/taskmanagementsystem/Strategy/TaskSortStrategy.cs
  class TaskSortStrategy (line 1) | abstract class TaskSortStrategy
    method Sort (line 3) | public abstract void Sort(List<Task> tasks);

FILE: solutions/csharp/taskmanagementsystem/TaskManagementSystem.cs
  class TaskManagementSystem (line 1) | class TaskManagementSystem
    method TaskManagementSystem (line 9) | private TaskManagementSystem() { }
    method GetInstance (line 11) | public static TaskManagementSystem GetInstance()
    method CreateUser (line 26) | public User CreateUser(string name, string email)
    method CreateTaskList (line 33) | public TaskList CreateTaskList(string listName)
    method CreateTask (line 40) | public Task CreateTask(string title, string description, string dueDate,
    method ListTasksByUser (line 61) | public List<Task> ListTasksByUser(string userId)
    method ListTasksByStatus (line 71) | public List<Task> ListTasksByStatus(TaskStatus status)
    method DeleteTask (line 76) | public void DeleteTask(string taskId)
    method SearchTasks (line 81) | public List<Task> SearchTasks(string keyword, TaskSortStrategy sorting...

FILE: solutions/csharp/taskmanagementsystem/TaskManagementSystemDemo.cs
  class TaskManagementSystemDemo (line 6) | public class TaskManagementSystemDemo
    method Main (line 8) | public static void Main()

FILE: solutions/csharp/tictactoe/Enums/GameStatus.cs
  type GameStatus (line 1) | enum GameStatus

FILE: solutions/csharp/tictactoe/Enums/Symbol.cs
  type Symbol (line 1) | enum Symbol

FILE: solutions/csharp/tictactoe/Exceptions/InvalidMoveException.cs
  class InvalidMoveException (line 1) | class InvalidMoveException : Exception
    method InvalidMoveException (line 3) | public InvalidMoveException(string message) : base(message) { }

FILE: solutions/csharp/tictactoe/Models/Board.cs
  class Board (line 4) | class Board
    method Board (line 10) | public Board(int size)
    method InitializeBoard (line 18) | private void InitializeBoard()
    method PlaceSymbol (line 29) | public bool PlaceSymbol(int row, int col, Symbol symbol)
    method GetCell (line 45) | public Cell GetCell(int row, int col)
    method IsFull (line 54) | public bool IsFull() { return movesCount == size * size; }
    method PrintBoard (line 56) | public void PrintBoard()
    method GetSize (line 71) | public int GetSize() => size;

FILE: solutions/csharp/tictactoe/Models/Cell.cs
  class Cell (line 1) | class Cell
    method Cell (line 5) | public Cell()
    method GetSymbol (line 10) | public Symbol GetSymbol() { return symbol; }
    method SetSymbol (line 11) | public void SetSymbol(Symbol symbol) { this.symbol = symbol; }
    method GetSymbolChar (line 13) | public char GetSymbolChar()

FILE: solutions/csharp/tictactoe/Models/Game.cs
  class Game (line 3) | class Game : GameSubject
    method Game (line 14) | public Game(Player player1, Player player2)
    method MakeMove (line 31) | public void MakeMove(Player player, int row, int col)
    method CheckWinner (line 36) | public bool CheckWinner(Player player)
    method SwitchPlayer (line 48) | public void SwitchPlayer()
    method GetBoard (line 60) | public Board GetBoard() => board;
    method GetCurrentPlayer (line 61) | public Player GetCurrentPlayer() => currentPlayer;
    method GetWinner (line 62) | public Player GetWinner() => winner;
    method SetWinner (line 63) | public void SetWinner(Player winner) => this.winner = winner;
    method GetStatus (line 64) | public GameStatus GetStatus() => status;
    method SetState (line 65) | public void SetState(IGameState state) => this.state = state;
    method SetStatus (line 66) | public void SetStatus(GameStatus status)

FILE: solutions/csharp/tictactoe/Models/Player.cs
  class Player (line 1) | class Player
    method Player (line 6) | public Player(string name, Symbol symbol)
    method GetName (line 12) | public string GetName() { return name; }
    method GetSymbol (line 13) | public Symbol GetSymbol() { return symbol; }
    method GetSymbolChar (line 15) | public char GetSymbolChar()

FILE: solutions/csharp/tictactoe/Observer/GameSubject.cs
  class GameSubject (line 1) | abstract class GameSubject
    method AddObserver (line 5) | public void AddObserver(IGameObserver observer)
    method RemoveObserver (line 10) | public void RemoveObserver(IGameObserver observer)
    method NotifyObservers (line 15) | public void NotifyObservers()

FILE: solutions/csharp/tictactoe/Observer/IGameObserver.cs
  type IGameObserver (line 1) | interface IGameObserver
    method Update (line 3) | void Update(Game game);

FILE: solutions/csharp/tictactoe/Observer/Scoreboard.cs
  class Scoreboard (line 3) | class Scoreboard : IGameObserver
    method Scoreboard (line 7) | public Scoreboard()
    method Update (line 12) | public void Update(Game game)
    method PrintScores (line 23) | public void PrintScores()

FILE: solutions/csharp/tictactoe/States/DrawState.cs
  class DrawState (line 1) | class DrawState : IGameState
    method HandleMove (line 3) | public void HandleMove(Game game, Player player, int row, int col)

FILE: solutions/csharp/tictactoe/States/IGameState.cs
  type IGameState (line 1) | interface IGameState
    method HandleMove (line 3) | void HandleMove(Game game, Player player, int row, int col);

FILE: solutions/csharp/tictactoe/States/InProgressState.cs
  class InProgressState (line 1) | class InProgressState : IGameState
    method HandleMove (line 3) | public void HandleMove(Game game, Player player, int row, int col)

FILE: solutions/csharp/tictactoe/States/WinnerState.cs
  class WinnerState (line 1) | class WinnerState : IGameState
    method HandleMove (line 3) | public void HandleMove(Game game, Player player, int row, int col)

FILE: solutions/csharp/tictactoe/Strategy/ColumnWinningStrategy.cs
  class ColumnWinningStrategy (line 1) | class ColumnWinningStrategy : IWinningStrategy
    method CheckWinner (line 3) | public bool CheckWinner(Board board, Player player)

FILE: solutions/csharp/tictactoe/Strategy/DiagonalWinningStrategy.cs
  class DiagonalWinningStrategy (line 1) | class DiagonalWinningStrategy : IWinningStrategy
    method CheckWinner (line 3) | public bool CheckWinner(Board board, Player player)

FILE: solutions/csharp/tictactoe/Strategy/IWinningStrategy.cs
  type IWinningStrategy (line 1) | interface IWinningStrategy
    method CheckWinner (line 3) | bool CheckWinner(Board board, Player player);

FILE: solutions/csharp/tictactoe/Strategy/RowWinningStrategy.cs
  class RowWinningStrategy (line 1) | class RowWinningStrategy : IWinningStrategy
    method CheckWinner (line 3) | public bool CheckWinner(Board board, Player player)

FILE: solutions/csharp/tictactoe/TicTacToeDemo.cs
  class TicTacToeDemo (line 4) | public class TicTacToeDemo
    method Main (line 6) | public static void Main()

FILE: solutions/csharp/tictactoe/TicTacToeSystem.cs
  class TicTacToeSystem (line 1) | class TicTacToeSystem
    method TicTacToeSystem (line 8) | private TicTacToeSystem()
    method GetInstance (line 13) | public static TicTacToeSystem GetInstance()
    method CreateGame (line 28) | public void CreateGame(Player player1, Player player2)
    method MakeMove (line 37) | public void MakeMove(Player player, int row, int col)
    method PrintBoard (line 62) | public void PrintBoard()
    method PrintScoreBoard (line 67) | public void PrintScoreBoard()

FILE: solutions/csharp/trafficsignalsystem/Enums/Direction.cs
  type Direction (line 1) | enum Direction

FILE: solutions/csharp/trafficsignalsystem/Enums/LightColor.cs
  type LightColor (line 1) | enum LightColor

FILE: solutions/csharp/trafficsignalsystem/IntersectionController.cs
  class IntersectionController (line 1) | class IntersectionController
    method IntersectionController (line 10) | public IntersectionController(int id, Dictionary<Direction, TrafficLig...
    method GetId (line 20) | public int GetId() => id;
    method GetGreenDuration (line 21) | public long GetGreenDuration() => greenDuration;
    method GetYellowDuration (line 22) | public long GetYellowDuration() => yellowDuration;
    method GetLight (line 23) | public TrafficLight GetLight(Direction direction) => trafficLights[dir...
    method SetState (line 25) | public void SetState(IIntersectionState state)
    method Start (line 30) | public void Start()
    method Stop (line 35) | public void Stop()
    method Run (line 40) | public void Run()
  class IntersectionControllerBuilder (line 58) | class IntersectionControllerBuilder
    method IntersectionControllerBuilder (line 65) | public IntersectionControllerBuilder(int id)
    method WithDurations (line 70) | public IntersectionControllerBuilder WithDurations(long green, long ye...
    method AddObserver (line 77) | public IntersectionControllerBuilder AddObserver(ITrafficObserver obse...
    method Build (line 83) | public IntersectionController Build()

FILE: solutions/csharp/trafficsignalsystem/Observer/CentralMonitor.cs
  class CentralMonitor (line 1) | class CentralMonitor : ITrafficObserver
    method Update (line 3) | public void Update(int intersectionId, Direction direction, LightColor...

FILE: solutions/csharp/trafficsignalsystem/Observer/ITrafficObserver.cs
  type ITrafficObserver (line 1) | interface ITrafficObserver
    method Update (line 3) | void Update(int intersectionId, Direction direction, LightColor color);

FILE: solutions/csharp/trafficsignalsystem/States/Intersection/EastWestGreenState.cs
  class EastWestGreenState (line 1) | class EastWestGreenState : IIntersectionState
    method Handle (line 3) | public void Handle(IntersectionController context)

FILE: solutions/csharp/trafficsignalsystem/States/Intersection/IIntersectionState.cs
  type IIntersectionState (line 1) | interface IIntersectionState
    method Handle (line 3) | void Handle(IntersectionController context);

FILE: solutions/csharp/trafficsignalsystem/States/Intersection/NorthSouthGreenState.cs
  class NorthSouthGreenState (line 1) | class NorthSouthGreenState : IIntersectionState
    method Handle (line 3) | public void Handle(IntersectionController context)

FILE: solutions/csharp/trafficsignalsystem/States/Light/GreenState.cs
  class GreenState (line 1) | class GreenState : ISignalState
    method Handle (line 3) | public void Handle(TrafficLight context)

FILE: solutions/csharp/trafficsignalsystem/States/Light/ISignalState.cs
  type ISignalState (line 1) | interface ISignalState
    method Handle (line 3) | void Handle(TrafficLight context);

FILE: solutions/csharp/trafficsignalsystem/States/Light/RedState.cs
  class RedState (line 1) | class RedState : ISignalState
    method Handle (line 3) | public void Handle(TrafficLight context)

FILE: solutions/csharp/trafficsignalsystem/States/Light/YellowState.cs
  class YellowState (line 1) | class YellowState : ISignalState
    method Handle (line 3) | public void Handle(TrafficLight context)

FILE: solutions/csharp/trafficsignalsystem/TrafficControlSystem.cs
  class TrafficControlSystem (line 1) | class TrafficControlSystem
    method TrafficControlSystem (line 8) | private TrafficControlSystem() { }
    method GetInstance (line 10) | public static TrafficControlSystem GetInstance()
    method AddIntersection (line 25) | public void AddIntersection(int intersectionId, int greenDuration, int...
    method StartSystem (line 34) | public void StartSystem()
    method StopSystem (line 51) | public void StopSystem()

FILE: solutions/csharp/trafficsignalsystem/TrafficLight.cs
  class TrafficLight (line 1) | class TrafficLight
    method TrafficLight (line 10) | public TrafficLight(int intersectionId, Direction direction)
    method StartGreen (line 19) | public void StartGreen()
    method Transition (line 26) | public void Transition()
    method SetColor (line 32) | public void SetColor(LightColor color)
    method SetNextState (line 41) | public void SetNextState(ISignalState state)
    method GetCurrentColor (line 46) | public LightColor GetCurrentColor() => currentColor;
    method GetDirection (line 47) | public Direction GetDirection() => direction;
    method AddObserver (line 50) | public void AddObserver(ITrafficObserver observer)
    method RemoveObserver (line 55) | public void RemoveObserver(ITrafficObserver observer)
    method NotifyObservers (line 60) | private void NotifyObservers()

FILE: solutions/csharp/trafficsignalsystem/TrafficSystemDemo.cs
  class TrafficSystemDemo (line 7) | public class TrafficSystemDemo
    method Main (line 9) | public static void Main(string[] args)

FILE: solutions/csharp/vendingmachine/Enum/Coin.cs
  type Coin (line 1) | enum Coin

FILE: solutions/csharp/vendingmachine/Models/Inventory.cs
  class Inventory (line 1) | class Inventory
    method AddItem (line 6) | public void AddItem(string code, Item item, int quantity)
    method GetItem (line 12) | public Item GetItem(string code)
    method IsAvailable (line 17) | public bool IsAvailable(string code)
    method ReduceStock (line 22) | public void ReduceStock(string code)

FILE: solutions/csharp/vendingmachine/Models/Item.cs
  class Item (line 1) | class Item
    method Item (line 7) | public Item(string code, string name, int price)
    method GetName (line 14) | public string GetName()
    method GetPrice (line 19) | public int GetPrice()

FILE: solutions/csharp/vendingmachine/States/DispensingState.cs
  class DispensingState (line 1) | class DispensingState : VendingMachineState
    method DispensingState (line 3) | public DispensingState(VendingMachine machine) : base(machine)
    method InsertCoin (line 7) | public override void InsertCoin(Coin coin)
    method SelectItem (line 12) | public override void SelectItem(string code)
    method Dispense (line 17) | public override void Dispense()
    method Refund (line 22) | public override void Refund()

FILE: solutions/csharp/vendingmachine/States/HasMoneyState.cs
  class HasMoneyState (line 1) | class HasMoneyState : VendingMachineState
    method HasMoneyState (line 3) | public HasMoneyState(VendingMachine machine) : base(machine)
    method InsertCoin (line 7) | public override void InsertCoin(Coin coin)
    method SelectItem (line 12) | public override void SelectItem(string code)
    method Dispense (line 17) | public override void Dispense()
    method Refund (line 23) | public override void Refund()

FILE: solutions/csharp/vendingmachine/States/IdleState.cs
  class IdleState (line 1) | class IdleState : VendingMachineState
    method IdleState (line 3) | public IdleState(VendingMachine machine) : base(machine)
    method InsertCoin (line 7) | public override void InsertCoin(Coin coin)
    method SelectItem (line 12) | public override void SelectItem(string code)
    method Dispense (line 24) | public override void Dispense()
    method Refund (line 29) | public override void Refund()

FILE: solutions/csharp/vendingmachine/States/ItemSelectedState.cs
  class ItemSelectedState (line 1) | class ItemSelectedState : VendingMachineState
    method ItemSelectedState (line 3) | public ItemSelectedState(VendingMachine machine) : base(machine)
    method InsertCoin (line 7) | public override void InsertCoin(Coin coin)
    method SelectItem (line 19) | public override void SelectItem(string code)
    method Dispense (line 24) | public override void Dispense()
    method Refund (line 29) | public override void Refund()

FILE: solutions/csharp/vendingmachine/States/VendingMachineState.cs
  class VendingMachineState (line 1) | abstract class VendingMachineState
    method VendingMachineState (line 5) | public VendingMachineState(VendingMachine machine)
    method InsertCoin (line 10) | public abstract void InsertCoin(Coin coin);
    method SelectItem (line 11) | public abstract void SelectItem(string code);
    method Dispense (line 12) | public abstract void Dispense();
    method Refund (line 13) | public abstract void Refund();

FILE: solutions/csharp/vendingmachine/VendingMachine.cs
  class VendingMachine (line 1) | class VendingMachine
    method VendingMachine (line 9) | public VendingMachine()
    method GetInstance (line 14) | public static VendingMachine GetInstance()
    method InsertCoin (line 19) | public void InsertCoin(Coin coin)
    method AddItem (line 24) | public Item AddItem(string code, string name, int price, int quantity)
    method SelectItem (line 31) | public void SelectItem(string code)
    method Dispense (line 36) | public void Dispense()
    method DispenseItem (line 41) | public void DispenseItem()
    method RefundBalance (line 58) | public void RefundBalance()
    method Reset (line 64) | public void Reset()
    method AddBalance (line 70) | public void AddBalance(int value)
    method GetSelectedItem (line 75) | public Item GetSelectedItem()
    method SetSelectedItemCode (line 80) | public void SetSelectedItemCode(string code)
    method SetState (line 85) | public void SetState(VendingMachineState state)
    method GetInventory (line 90) | public Inventory GetInventory() { return inventory; }
    method GetBalance (line 91) | public int GetBalance() { return balance; }

FILE: solutions/csharp/vendingmachine/VendingMachineDemo.cs
  class VendingMachineDemo (line 4) | public class VendingMachineDemo
    method Main (line 6) | public static void Main()

FILE: solutions/golang/airlinemanagementsystem/aircraft.go
  type Aircraft (line 3) | type Aircraft struct
  function NewAircraft (line 9) | func NewAircraft(tailNumber, model string, totalSeats int) *Aircraft {

FILE: solutions/golang/airlinemanagementsystem/airline_management_system.go
  type AirlineManagementSystem (line 8) | type AirlineManagementSystem struct
    method AddFlight (line 28) | func (ams *AirlineManagementSystem) AddFlight(flight *Flight) {
    method AddAircraft (line 34) | func (ams *AirlineManagementSystem) AddAircraft(aircraft *Aircraft) {
    method SearchFlights (line 40) | func (ams *AirlineManagementSystem) SearchFlights(source, destination ...
    method BookFlight (line 44) | func (ams *AirlineManagementSystem) BookFlight(flight *Flight, passeng...
    method CancelBooking (line 48) | func (ams *AirlineManagementSystem) CancelBooking(bookingNumber string) {
    method ProcessPayment (line 52) | func (ams *AirlineManagementSystem) ProcessPayment(payment *Payment) {
  function NewAirlineManagementSystem (line 17) | func NewAirlineManagementSystem() *AirlineManagementSystem {

FILE: solutions/golang/airlinemanagementsystem/airline_management_system_demo.go
  type Demo (line 8) | type Demo struct
  function NewDemo (line 12) | func NewDemo() *Demo {
  function Run (line 18) | func Run() {

FILE: solutions/golang/airlinemanagementsystem/booking.go
  type Booking (line 5) | type Booking struct
    method Cancel (line 26) | func (b *Booking) Cancel() {
  function NewBooking (line 15) | func NewBooking(bookingNumber string, flight *Flight, passenger *Passeng...

FILE: solutions/golang/airlinemanagementsystem/booking_manager.go
  type BookingManager (line 10) | type BookingManager struct
    method CreateBooking (line 30) | func (bm *BookingManager) CreateBooking(flight *Flight, passenger *Pas...
    method CancelBooking (line 40) | func (bm *BookingManager) CancelBooking(bookingNumber string) {
    method generateBookingNumber (line 49) | func (bm *BookingManager) generateBookingNumber() string {
  function GetBookingManager (line 21) | func GetBookingManager() *BookingManager {

FILE: solutions/golang/airlinemanagementsystem/flight.go
  type Flight (line 8) | type Flight struct
  function NewFlight (line 18) | func NewFlight(flightNumber, source, destination string, departureTime, ...

FILE: solutions/golang/airlinemanagementsystem/flight_search.go
  type FlightSearch (line 9) | type FlightSearch struct
    method SearchFlights (line 20) | func (fs *FlightSearch) SearchFlights(source, destination string, date...
  function NewFlightSearch (line 14) | func NewFlightSearch(flights []*Flight) *FlightSearch {

FILE: solutions/golang/airlinemanagementsystem/passenger.go
  type Passenger (line 3) | type Passenger struct
  function NewPassenger (line 10) | func NewPassenger(id, name, email, phone string) *Passenger {

FILE: solutions/golang/airlinemanagementsystem/payment.go
  type Payment (line 5) | type Payment struct
    method ProcessPayment (line 22) | func (p *Payment) ProcessPayment() {
  function NewPayment (line 13) | func NewPayment(paymentID, paymentMethod string, amount float64) *Payment {

FILE: solutions/golang/airlinemanagementsystem/payment_processor.go
  type PaymentProcessor (line 5) | type PaymentProcessor struct
    method ProcessPayment (line 21) | func (p *PaymentProcessor) ProcessPayment(payment *Payment) {
  function GetPaymentProcessor (line 14) | func GetPaymentProcessor() *PaymentProcessor {

FILE: solutions/golang/airlinemanagementsystem/seat.go
  type Seat (line 5) | type Seat struct
    method Reserve (line 20) | func (s *Seat) Reserve() {
    method Release (line 26) | func (s *Seat) Release() {
    method GetStatus (line 32) | func (s *Seat) GetStatus() SeatStatus {
  function NewSeat (line 12) | func NewSeat(seatNumber string, seatType SeatType) *Seat {

FILE: solutions/golang/airlinemanagementsystem/types.go
  type SeatType (line 3) | type SeatType
  type SeatStatus (line 4) | type SeatStatus
  type BookingStatus (line 5) | type BookingStatus
  type PaymentStatus (line 6) | type PaymentStatus
  constant SeatTypeEconomy (line 9) | SeatTypeEconomy SeatType = iota
  constant SeatTypePremiumEconomy (line 10) | SeatTypePremiumEconomy
  constant SeatTypeBusiness (line 11) | SeatTypeBusiness
  constant SeatTypeFirstClass (line 12) | SeatTypeFirstClass
  constant SeatStatusAvailable (line 16) | SeatStatusAvailable SeatStatus = iota
  constant SeatStatusReserved (line 17) | SeatStatusReserved
  constant SeatStatusOccupied (line 18) | SeatStatusOccupied
  constant BookingStatusConfirmed (line 22) | BookingStatusConfirmed BookingStatus = iota
  constant BookingStatusCancelled (line 23) | BookingStatusCancelled
  constant BookingStatusPending (line 24) | BookingStatusPending
  constant BookingStatusExpired (line 25) | BookingStatusExpired
  constant PaymentStatusPending (line 29) | PaymentStatusPending PaymentStatus = iota
  constant PaymentStatusCompleted (line 30) | PaymentStatusCompleted
  constant PaymentStatusFailed (line 31) | PaymentStatusFailed
  constant PaymentStatusRefunded (line 32) | PaymentStatusRefunded

FILE: solutions/golang/atm/account.go
  type Account (line 5) | type Account struct
    method GetAccountNumber (line 18) | func (a *Account) GetAccountNumber() string {
    method GetBalance (line 22) | func (a *Account) GetBalance() float64 {
    method Debit (line 28) | func (a *Account) Debit(amount float64) error {
    method Credit (line 38) | func (a *Account) Credit(amount float64) error {
  function NewAccount (line 11) | func NewAccount(accountNumber string, balance float64) *Account {

FILE: solutions/golang/atm/atm.go
  type ATM (line 10) | type ATM struct
    method AuthenticateUser (line 23) | func (a *ATM) AuthenticateUser(card *Card) error {
    method CheckBalance (line 28) | func (a *ATM) CheckBalance(accountNumber string) (float64, error) {
    method WithdrawCash (line 36) | func (a *ATM) WithdrawCash(accountNumber string, amount float64) error {
    method DepositCash (line 50) | func (a *ATM) DepositCash(accountNumber string, amount float64) error {
    method generateTransactionID (line 60) | func (a *ATM) generateTransactionID() string {
  function NewATM (line 16) | func NewATM(bankingService *BankingService, cashDispenser *CashDispenser...

FILE: solutions/golang/atm/atm_demo.go
  function Run (line 7) | func Run() {

FILE: solutions/golang/atm/banking_service.go
  type BankingService (line 7) | type BankingService struct
    method CreateAccount (line 18) | func (bs *BankingService) CreateAccount(accountNumber string, initialB...
    method GetAccount (line 24) | func (bs *BankingService) GetAccount(accountNumber string) *Account {
    method ProcessTransaction (line 30) | func (bs *BankingService) ProcessTransaction(transaction Transaction) ...
  function NewBankingService (line 12) | func NewBankingService() *BankingService {

FILE: solutions/golang/atm/card.go
  type Card (line 3) | type Card struct
  function NewCard (line 8) | func NewCard(cardNumber, pin string) *Card {

FILE: solutions/golang/atm/cash_dispenser.go
  type CashDispenser (line 7) | type CashDispenser struct
    method DispenseCash (line 18) | func (cd *CashDispenser) DispenseCash(amount int) error {
  function NewCashDispenser (line 12) | func NewCashDispenser(initialCash int) *CashDispenser {

FILE: solutions/golang/atm/deposit_transaction.go
  type DepositTransaction (line 3) | type DepositTransaction struct
    method Execute (line 17) | func (t *DepositTransaction) Execute() error {
  function NewDepositTransaction (line 7) | func NewDepositTransaction(transactionID string, account *Account, amoun...

FILE: solutions/golang/atm/transaction.go
  type Transaction (line 3) | type Transaction interface
  type BaseTransaction (line 7) | type BaseTransaction struct

FILE: solutions/golang/atm/withdrawal_transaction.go
  type WithdrawalTransaction (line 3) | type WithdrawalTransaction struct
    method Execute (line 17) | func (t *WithdrawalTransaction) Execute() error {
  function NewWithdrawalTransaction (line 7) | func NewWithdrawalTransaction(transactionID string, account *Account, am...

FILE: solutions/golang/carrentalsystem/car.go
  type Car (line 5) | type Car struct
    method IsAvailable (line 26) | func (c *Car) IsAvailable() bool {
    method SetAvailable (line 32) | func (c *Car) SetAvailable(available bool) {
  function NewCar (line 15) | func NewCar(make, model string, year int, licensePlate string, rentalPri...

FILE: solutions/golang/carrentalsystem/car_rental_system_demo.go
  function Run (line 8) | func Run() {

FILE: solutions/golang/carrentalsystem/credit_card_processor.go
  type CreditCardPaymentProcessor (line 3) | type CreditCardPaymentProcessor struct
    method ProcessPayment (line 9) | func (p *CreditCardPaymentProcessor) ProcessPayment(amount float64) bo...
  function NewCreditCardPaymentProcessor (line 5) | func NewCreditCardPaymentProcessor() *CreditCardPaymentProcessor {

FILE: solutions/golang/carrentalsystem/customer.go
  type Customer (line 3) | type Customer struct
  function NewCustomer (line 9) | func NewCustomer(name, contactInfo, driversLicenseNumber string) *Custom...

FILE: solutions/golang/carrentalsystem/payment_processor.go
  type PaymentProcessor (line 3) | type PaymentProcessor interface

FILE: solutions/golang/carrentalsystem/paypal_processor.go
  type PayPalPaymentProcessor (line 3) | type PayPalPaymentProcessor struct
    method ProcessPayment (line 9) | func (p *PayPalPaymentProcessor) ProcessPayment(amount float64) bool {
  function NewPayPalPaymentProcessor (line 5) | func NewPayPalPaymentProcessor() *PayPalPaymentProcessor {

FILE: solutions/golang/carrentalsystem/rental_system.go
  type RentalSystem (line 12) | type RentalSystem struct
    method AddCar (line 35) | func (rs *RentalSystem) AddCar(car *Car) {
    method RemoveCar (line 41) | func (rs *RentalSystem) RemoveCar(licensePlate string) {
    method SearchCars (line 47) | func (rs *RentalSystem) SearchCars(make, model string, startDate, endD...
    method isCarAvailable (line 63) | func (rs *RentalSystem) isCarAvailable(car *Car, startDate, endDate ti...
    method MakeReservation (line 74) | func (rs *RentalSystem) MakeReservation(customer *Customer, car *Car, ...
    method CancelReservation (line 90) | func (rs *RentalSystem) CancelReservation(reservationID string) {
    method ProcessPayment (line 100) | func (rs *RentalSystem) ProcessPayment(reservation *Reservation) bool {
    method generateReservationID (line 104) | func (rs *RentalSystem) generateReservationID() string {
  function GetRentalSystem (line 24) | func GetRentalSystem() *RentalSystem {

FILE: solutions/golang/carrentalsystem/reservation.go
  type Reservation (line 7) | type Reservation struct
    method calculateTotalPrice (line 28) | func (r *Reservation) calculateTotalPrice() float64 {
  function NewReservation (line 16) | func NewReservation(reservationID string, customer *Customer, car *Car, ...

FILE: solutions/golang/chessgame/board.go
  type Board (line 3) | type Board struct
    method initializeBoard (line 18) | func (b *Board) initializeBoard() {
    method GetPiece (line 46) | func (b *Board) GetPiece(row, col int) Piece {
    method SetPiece (line 53) | func (b *Board) SetPiece(row, col int, piece Piece) {
    method IsValidMove (line 59) | func (b *Board) IsValidMove(piece Piece, destRow, destCol int) bool {
    method IsCheckmate (line 68) | func (b *Board) IsCheckmate(color Color) bool {
    method IsStalemate (line 73) | func (b *Board) IsStalemate(color Color) bool {
  function NewBoard (line 7) | func NewBoard() *Board {

FILE: solutions/golang/chessgame/chess_game.go
  type ChessGame (line 10) | type ChessGame struct
    method Start (line 24) | func (g *ChessGame) Start() {
    method isGameOver (line 49) | func (g *ChessGame) isGameOver() bool {
    method getPlayerMove (line 54) | func (g *ChessGame) getPlayerMove(player *Player, reader *bufio.Reader...
    method displayResult (line 72) | func (g *ChessGame) displayResult() {
  function NewChessGame (line 16) | func NewChessGame() *ChessGame {
  function readLine (line 82) | func readLine(reader *bufio.Reader) string {

FILE: solutions/golang/chessgame/chess_game_demo.go
  function Run (line 3) | func Run() {

FILE: solutions/golang/chessgame/color.go
  type Color (line 3) | type Color
    method String (line 10) | func (c Color) String() string {
  constant White (line 6) | White Color = iota
  constant Black (line 7) | Black

FILE: solutions/golang/chessgame/errors.go
  type InvalidMoveError (line 3) | type InvalidMoveError struct
    method Error (line 11) | func (e *InvalidMoveError) Error() string {
  function NewInvalidMoveError (line 7) | func NewInvalidMoveError(message string) *InvalidMoveError {

FILE: solutions/golang/chessgame/move.go
  type Move (line 3) | type Move struct
  function NewMove (line 9) | func NewMove(piece Piece, destRow, destCol int) *Move {

FILE: solutions/golang/chessgame/piece.go
  type Piece (line 3) | type Piece interface
  type BasePiece (line 11) | type BasePiece struct
    method GetColor (line 17) | func (p *BasePiece) GetColor() Color { return p.color }
    method GetRow (line 18) | func (p *BasePiece) GetRow() int     { return p.row }
    method GetCol (line 19) | func (p *BasePiece) GetCol() int     { return p.col }
    method SetPosition (line 20) | func (p *BasePiece) SetPosition(row, col int) {

FILE: solutions/golang/chessgame/pieces.go
  type Pawn (line 5) | type Pawn struct
    method CanMove (line 13) | func (p *Pawn) CanMove(board *Board, destRow, destCol int) bool {
  function NewPawn (line 9) | func NewPawn(color Color, row, col int) *Pawn {
  type Rook (line 27) | type Rook struct
    method CanMove (line 35) | func (r *Rook) CanMove(board *Board, destRow, destCol int) bool {
  function NewRook (line 31) | func NewRook(color Color, row, col int) *Rook {
  type Knight (line 39) | type Knight struct
    method CanMove (line 47) | func (k *Knight) CanMove(board *Board, destRow, destCol int) bool {
  function NewKnight (line 43) | func NewKnight(color Color, row, col int) *Knight {
  type Bishop (line 53) | type Bishop struct
    method CanMove (line 61) | func (b *Bishop) CanMove(board *Board, destRow, destCol int) bool {
  function NewBishop (line 57) | func NewBishop(color Color, row, col int) *Bishop {
  type Queen (line 67) | type Queen struct
    method CanMove (line 75) | func (q *Queen) CanMove(board *Board, destRow, destCol int) bool {
  function NewQueen (line 71) | func NewQueen(color Color, row, col int) *Queen {
  type King (line 81) | type King struct
    method CanMove (line 89) | func (k *King) CanMove(board *Board, destRow, destCol int) bool {
  function NewKing (line 85) | func NewKing(color Color, row, col int) *King {

FILE: solutions/golang/chessgame/player.go
  type Player (line 3) | type Player struct
    method MakeMove (line 11) | func (p *Player) MakeMove(board *Board, move *Move) error {
  function NewPlayer (line 7) | func NewPlayer(color Color) *Player {

FILE: solutions/golang/coffeevendingmachine/coffee.go
  type Coffee (line 3) | type Coffee struct
    method GetName (line 17) | func (c *Coffee) GetName() string {
    method GetPrice (line 21) | func (c *Coffee) GetPrice() float64 {
    method GetRecipe (line 25) | func (c *Coffee) GetRecipe() map[*Ingredient]int {
  function NewCoffee (line 9) | func NewCoffee(name string, price float64, recipe map[*Ingredient]int) *...

FILE: solutions/golang/coffeevendingmachine/coffee_machine.go
  type CoffeeMachine (line 8) | type CoffeeMachine struct
    method initializeIngredients (line 31) | func (cm *CoffeeMachine) initializeIngredients() {
    method initializeCoffeeMenu (line 37) | func (cm *CoffeeMachine) initializeCoffeeMenu() {
    method DisplayMenu (line 59) | func (cm *CoffeeMachine) DisplayMenu() {
    method SelectCoffee (line 66) | func (cm *CoffeeMachine) SelectCoffee(coffeeName string) *Coffee {
    method DispenseCoffee (line 78) | func (cm *CoffeeMachine) DispenseCoffee(coffee *Coffee, payment *Payme...
    method hasEnoughIngredients (line 105) | func (cm *CoffeeMachine) hasEnoughIngredients(coffee *Coffee) bool {
    method updateIngredients (line 114) | func (cm *CoffeeMachine) updateIngredients(coffee *Coffee) {
  function GetCoffeeMachine (line 19) | func GetCoffeeMachine() *CoffeeMachine {

FILE: solutions/golang/coffeevendingmachine/coffee_vending_machine_demo.go
  function Run (line 7) | func Run() {

FILE: solutions/golang/coffeevendingmachine/ingredient.go
  type Ingredient (line 5) | type Ingredient struct
    method GetName (line 18) | func (i *Ingredient) GetName() string {
    method GetQuantity (line 22) | func (i *Ingredient) GetQuantity() int {
    method UpdateQuantity (line 28) | func (i *Ingredient) UpdateQuantity(amount int) {
  function NewIngredient (line 11) | func NewIngredient(name string, quantity int) *Ingredient {

FILE: solutions/golang/coffeevendingmachine/payment.go
  type Payment (line 3) | type Payment struct
  function NewPayment (line 7) | func NewPayment(amount float64) *Payment {

FILE: solutions/golang/concertticketbookingsystem/booking.go
  type Booking (line 3) | type Booking struct
    method ConfirmBooking (line 24) | func (b *Booking) ConfirmBooking() {
    method CancelBooking (line 31) | func (b *Booking) CancelBooking() {
  function NewBooking (line 12) | func NewBooking(id string, user *User, concert *Concert, seats []*Seat) ...
  function calculateTotalPrice (line 41) | func calculateTotalPrice(seats []*Seat) float64 {

FILE: solutions/golang/concertticketbookingsystem/concert.go
  type Concert (line 5) | type Concert struct
  function NewConcert (line 13) | func NewConcert(id, artist, venue string, dateTime time.Time, seats []*S...

FILE: solutions/golang/concertticketbookingsystem/concert_booking_system.go
  type ConcertTicketBookingSystem (line 9) | type ConcertTicketBookingSystem struct
    method AddConcert (line 30) | func (bs *ConcertTicketBookingSystem) AddConcert(concert *Concert) {
    method GetConcert (line 36) | func (bs *ConcertTicketBookingSystem) GetConcert(concertID string) *Co...
    method SearchConcerts (line 42) | func (bs *ConcertTicketBookingSystem) SearchConcerts(artist, venue str...
    method BookTickets (line 57) | func (bs *ConcertTicketBookingSystem) BookTickets(user *User, concert ...
    method CancelBooking (line 97) | func (bs *ConcertTicketBookingSystem) CancelBooking(bookingID string) {
    method processPayment (line 108) | func (bs *ConcertTicketBookingSystem) processPayment(booking *Booking) {
  function GetBookingSystem (line 20) | func GetBookingSystem() *ConcertTicketBookingSystem {

FILE: solutions/golang/concertticketbookingsystem/concert_booking_system_demo.go
  function Run (line 8) | func Run() {

FILE: solutions/golang/concertticketbookingsystem/errors.go
  type SeatNotAvailableError (line 3) | type SeatNotAvailableError struct
    method Error (line 11) | func (e *SeatNotAvailableError) Error() string {
  function NewSeatNotAvailableError (line 7) | func NewSeatNotAvailableError(message string) *SeatNotAvailableError {

FILE: solutions/golang/concertticketbookingsystem/seat.go
  type Seat (line 5) | type Seat struct
    method Book (line 24) | func (s *Seat) Book() error {
    method Release (line 35) | func (s *Seat) Release() {
    method GetStatus (line 44) | func (s *Seat) GetStatus() SeatStatus {
  function NewSeat (line 14) | func NewSeat(id, seatNumber string, seatType SeatType, price float64) *S...

FILE: solutions/golang/concertticketbookingsystem/types.go
  type SeatType (line 3) | type SeatType
  type SeatStatus (line 4) | type SeatStatus
  type BookingStatus (line 5) | type BookingStatus
  constant SeatTypeRegular (line 8) | SeatTypeRegular SeatType = iota
  constant SeatTypePremium (line 9) | SeatTypePremium
  constant SeatTypeVIP (line 10) | SeatTypeVIP
  constant StatusAvailable (line 14) | StatusAvailable SeatStatus = iota
  constant StatusBooked (line 15) | StatusBooked
  constant StatusReserved (line 16) | StatusReserved
  constant BookingStatusPending (line 20) | BookingStatusPending BookingStatus = iota
  constant BookingStatusConfirmed (line 21) | BookingStatusConfirmed
  constant BookingStatusCancelled (line 22) | BookingStatusCancelled

FILE: solutions/golang/concertticketbookingsystem/user.go
  type User (line 3) | type User struct
  function NewUser (line 9) | func NewUser(id, name, email string) *User {

FILE: solutions/golang/concertticketbookingsystem/utils.go
  function GenerateSeats (line 5) | func GenerateSeats(numberOfSeats int) []*Seat {

FILE: solutions/golang/courseregistrationsystem/course.go
  type Course (line 5) | type Course struct
    method GetEnrolledStudents (line 23) | func (c *Course) GetEnrolledStudents() int {
    method IncrementEnrolled (line 29) | func (c *Course) IncrementEnrolled() {
  function NewCourse (line 14) | func NewCourse(code, name, instructor string, maxCapacity int) *Course {

FILE: solutions/golang/courseregistrationsystem/course_registration_system.go
  type CourseRegistrationSystem (line 9) | type CourseRegistrationSystem struct
    method AddCourse (line 32) | func (rs *CourseRegistrationSystem) AddCourse(course *Course) {
    method AddStudent (line 38) | func (rs *CourseRegistrationSystem) AddStudent(student *Student) {
    method SearchCourses (line 44) | func (rs *CourseRegistrationSystem) SearchCourses(query string) []*Cou...
    method RegisterCourse (line 60) | func (rs *CourseRegistrationSystem) RegisterCourse(student *Student, c...
    method GetRegisteredCourses (line 98) | func (rs *CourseRegistrationSystem) GetRegisteredCourses(student *Stud...
    method notifyObservers (line 109) | func (rs *CourseRegistrationSystem) notifyObservers(course *Course) {
  function GetRegistrationSystem (line 21) | func GetRegistrationSystem() *CourseRegistrationSystem {

FILE: solutions/golang/courseregistrationsystem/course_registration_system_demo.go
  function Run (line 7) | func Run() {

FILE: solutions/golang/courseregistrationsystem/registration.go
  type Registration (line 5) | type Registration struct
  function NewRegistration (line 11) | func NewRegistration(student *Student, course *Course) *Registration {

FILE: solutions/golang/courseregistrationsystem/student.go
  type Student (line 5) | type Student struct
    method AddCourse (line 22) | func (s *Student) AddCourse(course *Course) {
  function NewStudent (line 13) | func NewStudent(id int, name, email string) *Student {

FILE: solutions/golang/cricinfo/ball.go
  type Ball (line 3) | type Ball struct
  function NewBall (line 10) | func NewBall(ballNumber int, bowler, batsman, result string) *Ball {

FILE: solutions/golang/cricinfo/cricinfo.go
  function Run (line 8) | func Run() {
  function displayScorecard (line 65) | func displayScorecard(scorecard *Scorecard) {

FILE: solutions/golang/cricinfo/cricinfo_system.go
  type CricinfoSystem (line 3) | type CricinfoSystem struct
    method AddMatch (line 15) | func (cs *CricinfoSystem) AddMatch(match *Match) {
    method GetMatch (line 19) | func (cs *CricinfoSystem) GetMatch(matchID string) *Match {
    method GetAllMatches (line 23) | func (cs *CricinfoSystem) GetAllMatches() []*Match {
    method UpdateMatchStatus (line 27) | func (cs *CricinfoSystem) UpdateMatchStatus(matchID string, status Mat...
    method CreateScorecard (line 31) | func (cs *CricinfoSystem) CreateScorecard(match *Match) string {
    method GetScorecard (line 35) | func (cs *CricinfoSystem) GetScorecard(scorecardID string) *Scorecard {
    method UpdateScore (line 39) | func (cs *CricinfoSystem) UpdateScore(scorecardID string, teamID strin...
    method AddInnings (line 43) | func (cs *CricinfoSystem) AddInnings(scorecardID string, innings *Inni...
  function NewCricinfoSystem (line 8) | func NewCricinfoSystem() *CricinfoSystem {

FILE: solutions/golang/cricinfo/innings.go
  type Innings (line 3) | type Innings struct
    method AddOver (line 19) | func (i *Innings) AddOver(over *Over) {
  function NewInnings (line 10) | func NewInnings(id, battingTeamID, bowlingTeamID string) *Innings {

FILE: solutions/golang/cricinfo/match.go
  type Match (line 5) | type Match struct
  function NewMatch (line 15) | func NewMatch(id, title, venue string, startTime time.Time, teams []*Tea...

FILE: solutions/golang/cricinfo/match_service.go
  type MatchService (line 7) | type MatchService struct
    method AddMatch (line 26) | func (ms *MatchService) AddMatch(match *Match) {
    method GetMatch (line 32) | func (ms *MatchService) GetMatch(matchID string) *Match {
    method GetAllMatches (line 38) | func (ms *MatchService) GetAllMatches() []*Match {
    method UpdateMatchStatus (line 49) | func (ms *MatchService) UpdateMatchStatus(matchID string, status Match...
  function GetMatchService (line 17) | func GetMatchService() *MatchService {

FILE: solutions/golang/cricinfo/over.go
  type Over (line 3) | type Over struct
    method AddBall (line 15) | func (o *Over) AddBall(ball *Ball) {
  function NewOver (line 8) | func NewOver(overNumber int) *Over {

FILE: solutions/golang/cricinfo/player.go
  type Player (line 3) | type Player struct
  function NewPlayer (line 9) | func NewPlayer(id, name, role string) *Player {

FILE: solutions/golang/cricinfo/scorecard.go
  type Scorecard (line 5) | type Scorecard struct
    method UpdateScore (line 22) | func (s *Scorecard) UpdateScore(teamID string, score int) {
    method AddInnings (line 28) | func (s *Scorecard) AddInnings(innings *Innings) {
  function NewScorecard (line 13) | func NewScorecard(id string, match *Match) *Scorecard {

FILE: solutions/golang/cricinfo/scorecard_service.go
  type ScorecardService (line 9) | type ScorecardService struct
    method CreateScorecard (line 29) | func (ss *ScorecardService) CreateScorecard(match *Match) string {
    method GetScorecard (line 39) | func (ss *ScorecardService) GetScorecard(scorecardID string) *Scorecard {
    method UpdateScore (line 45) | func (ss *ScorecardService) UpdateScore(scorecardID string, teamID str...
    method AddInnings (line 55) | func (ss *ScorecardService) AddInnings(scorecardID string, innings *In...
    method generateScorecardID (line 65) | func (ss *ScorecardService) generateScorecardID(matchID string) string {
  function GetScorecardService (line 20) | func GetScorecardService() *ScorecardService {

FILE: solutions/golang/cricinfo/team.go
  type Team (line 3) | type Team struct
  function NewTeam (line 9) | func NewTeam(id, name string, players []*Player) *Team {

FILE: solutions/golang/cricinfo/types.go
  type MatchStatus (line 3) | type MatchStatus
    method String (line 12) | func (s MatchStatus) String() string {
  constant MatchStatusScheduled (line 6) | MatchStatusScheduled MatchStatus = iota
  constant MatchStatusInProgress (line 7) | MatchStatusInProgress
  constant MatchStatusCompleted (line 8) | MatchStatusCompleted
  constant MatchStatusAbandoned (line 9) | MatchStatusAbandoned

FILE: solutions/golang/digitalwalletservice/account.go
  type Account (line 8) | type Account struct
    method Deposit (line 29) | func (a *Account) Deposit(amount *big.Float) {
    method Withdraw (line 35) | func (a *Account) Withdraw(amount *big.Float) error {
    method AddTransaction (line 46) | func (a *Account) AddTransaction(transaction *Transaction) {
    method GetBalance (line 52) | func (a *Account) GetBalance() *big.Float {
    method GetTransactions (line 58) | func (a *Account) GetTransactions() []*Transaction {
  function NewAccount (line 18) | func NewAccount(id string, user *User, accountNumber string, currency Cu...

FILE: solutions/golang/digitalwalletservice/bank_account.go
  type BankAccount (line 5) | type BankAccount struct
    method ProcessPayment (line 19) | func (b *BankAccount) ProcessPayment(amount *big.Float, currency Curre...
  function NewBankAccount (line 11) | func NewBankAccount(id string, user *User, accountNumber, routingNumber ...

FILE: solutions/golang/digitalwalletservice/credit_card.go
  type CreditCard (line 5) | type CreditCard struct
    method ProcessPayment (line 21) | func (c *CreditCard) ProcessPayment(amount *big.Float, currency Curren...
  function NewCreditCard (line 12) | func NewCreditCard(id string, user *User, cardNumber, expirationDate, cv...

FILE: solutions/golang/digitalwalletservice/currency_converter.go
  type CurrencyConverter (line 8) | type CurrencyConverter struct
    method initializeRates (line 28) | func (cc *CurrencyConverter) initializeRates() {
    method Convert (line 39) | func (cc *CurrencyConverter) Convert(amount *big.Float, sourceCurrency...
  function GetCurrencyConverter (line 18) | func GetCurrencyConverter() *CurrencyConverter {

FILE: solutions/golang/digitalwalletservice/digital_wallet.go
  type DigitalWallet (line 10) | type DigitalWallet struct
    method CreateUser (line 33) | func (dw *DigitalWallet) CreateUser(user *User) {
    method CreateAccount (line 39) | func (dw *DigitalWallet) CreateAccount(account *Account) {
    method AddPaymentMethod (line 46) | func (dw *DigitalWallet) AddPaymentMethod(method PaymentMethod) {
    method TransferFunds (line 52) | func (dw *DigitalWallet) TransferFunds(sourceAccount, destinationAccou...
    method GetTransactionHistory (line 87) | func (dw *DigitalWallet) GetTransactionHistory(account *Account) []*Tr...
  function GetDigitalWallet (line 22) | func GetDigitalWallet() *DigitalWallet {

FILE: solutions/golang/digitalwalletservice/digital_wallet_demo.go
  function Run (line 8) | func Run() {

FILE: solutions/golang/digitalwalletservice/errors.go
  type InsufficientFundsError (line 3) | type InsufficientFundsError struct
    method Error (line 11) | func (e *InsufficientFundsError) Error() string {
  function NewInsufficientFundsError (line 7) | func NewInsufficientFundsError(message string) *InsufficientFundsError {

FILE: solutions/golang/digitalwalletservice/payment_method.go
  type PaymentMethod (line 5) | type PaymentMethod interface
  type BasePaymentMethod (line 11) | type BasePaymentMethod struct
    method GetID (line 16) | func (b *BasePaymentMethod) GetID() string {
    method GetUser (line 20) | func (b *BasePaymentMethod) GetUser() *User {

FILE: solutions/golang/digitalwalletservice/transaction.go
  type Transaction (line 8) | type Transaction struct
  function NewTransaction (line 17) | func NewTransaction(id string, sourceAccount, destinationAccount *Accoun...

FILE: solutions/golang/digitalwalletservice/types.go
  type Currency (line 3) | type Currency
  constant USD (line 6) | USD Currency = "USD"
  constant EUR (line 7) | EUR Currency = "EUR"
  constant GBP (line 8) | GBP Currency = "GBP"
  constant JPY (line 9) | JPY Currency = "JPY"

FILE: solutions/golang/digitalwalletservice/user.go
  type User (line 5) | type User struct
    method AddAccount (line 24) | func (u *User) AddAccount(account *Account) {
    method RemoveAccount (line 30) | func (u *User) RemoveAccount(account *Account) {
  function NewUser (line 14) | func NewUser(id, name, email, password string) *User {

FILE: solutions/golang/elevatorsystem/direction.go
  type Direction (line 3) | type Direction
    method String (line 10) | func (d Direction) String() string {
  constant DirectionUp (line 6) | DirectionUp Direction = iota
  constant DirectionDown (line 7) | DirectionDown

FILE: solutions/golang/elevatorsystem/elevator.go
  type Elevator (line 9) | type Elevator struct
    method AddRequest (line 30) | func (e *Elevator) AddRequest(request *Request) bool {
    method getCurrentFloor (line 41) | func (e *Elevator) getCurrentFloor() int {
    method setCurrentFloor (line 47) | func (e *Elevator) setCurrentFloor(floor int) {
    method Run (line 53) | func (e *Elevator) Run() {
    method Stop (line 66) | func (e *Elevator) Stop() {
    method processRequest (line 70) | func (e *Elevator) processRequest(request *Request) {
  function NewElevator (line 19) | func NewElevator(id, capacity int) *Elevator {

FILE: solutions/golang/elevatorsystem/elevator_controller.go
  type ElevatorController (line 8) | type ElevatorController struct
    method RequestElevator (line 27) | func (ec *ElevatorController) RequestElevator(sourceFloor, destination...
    method findOptimalElevator (line 33) | func (ec *ElevatorController) findOptimalElevator(sourceFloor, destina...
    method Stop (line 51) | func (ec *ElevatorController) Stop() {
  function NewElevatorController (line 13) | func NewElevatorController(numElevators, capacity int) *ElevatorControll...

FILE: solutions/golang/elevatorsystem/elevator_controller_demo.go
  function Run (line 7) | func Run() {

FILE: solutions/golang/elevatorsystem/request.go
  type Request (line 3) | type Request struct
  function NewRequest (line 8) | func NewRequest(sourceFloor, destinationFloor int) *Request {

FILE: solutions/golang/fooddeliveryservice/customer.go
  type Customer (line 3) | type Customer struct
  function NewCustomer (line 10) | func NewCustomer(id, name, email, phone string) *Customer {

FILE: solutions/golang/fooddeliveryservice/delivery_agent.go
  type DeliveryAgent (line 5) | type DeliveryAgent struct
    method SetAvailable (line 22) | func (d *DeliveryAgent) SetAvailable(available bool) {
    method IsAvailable (line 28) | func (d *DeliveryAgent) IsAvailable() bool {
  function NewDeliveryAgent (line 13) | func NewDeliveryAgent(id, name, phone string) *DeliveryAgent {

FILE: solutions/golang/fooddeliveryservice/food_delivery_service.go
  type FoodDeliveryService (line 9) | type FoodDeliveryService struct
    method RegisterCustomer (line 34) | func (s *FoodDeliveryService) RegisterCustomer(customer *Customer) {
    method RegisterRestaurant (line 40) | func (s *FoodDeliveryService) RegisterRestaurant(restaurant *Restauran...
    method RegisterDeliveryAgent (line 46) | func (s *FoodDeliveryService) RegisterDeliveryAgent(agent *DeliveryAge...
    method GetAvailableRestaurants (line 52) | func (s *FoodDeliveryService) GetAvailableRestaurants() []*Restaurant {
    method GetRestaurantMenu (line 62) | func (s *FoodDeliveryService) GetRestaurantMenu(restaurantID string) [...
    method PlaceOrder (line 73) | func (s *FoodDeliveryService) PlaceOrder(customerID, restaurantID stri...
    method UpdateOrderStatus (line 100) | func (s *FoodDeliveryService) UpdateOrderStatus(orderID string, status...
    method CancelOrder (line 118) | func (s *FoodDeliveryService) CancelOrder(orderID string) error {
    method notifyCustomer (line 138) | func (s *FoodDeliveryService) notifyCustomer(order *Order) {
    method notifyRestaurant (line 144) | func (s *FoodDeliveryService) notifyRestaurant(order *Order) {
    method notifyDeliveryAgent (line 149) | func (s *FoodDeliveryService) notifyDeliveryAgent(order *Order) {
    method assignDeliveryAgent (line 154) | func (s *FoodDeliveryService) assignDeliveryAgent(order *Order) {
  function GetFoodDeliveryService (line 22) | func GetFoodDeliveryService() *FoodDeliveryService {

FILE: solutions/golang/fooddeliveryservice/food_delivery_service_demo.go
  function Run (line 7) | func Run() {

FILE: solutions/golang/fooddeliveryservice/menu_item.go
  type MenuItem (line 5) | type MenuItem struct
    method SetAvailable (line 24) | func (m *MenuItem) SetAvailable(available bool) {
    method IsAvailable (line 30) | func (m *MenuItem) IsAvailable() bool {
  function NewMenuItem (line 14) | func NewMenuItem(id, name, description string, price float64) *MenuItem {

FILE: solutions/golang/fooddeliveryservice/order.go
  type OrderItem (line 5) | type OrderItem struct
  function NewOrderItem (line 10) | func NewOrderItem(menuItem *MenuItem, quantity int) *OrderItem {
  type Order (line 17) | type Order struct
    method AddItem (line 37) | func (o *Order) AddItem(item *OrderItem) {
    method RemoveItem (line 43) | func (o *Order) RemoveItem(item *OrderItem) {
    method SetStatus (line 54) | func (o *Order) SetStatus(status OrderStatus) {
    method GetStatus (line 60) | func (o *Order) GetStatus() OrderStatus {
    method AssignDeliveryAgent (line 66) | func (o *Order) AssignDeliveryAgent(agent *DeliveryAgent) {
  function NewOrder (line 27) | func NewOrder(id string, customer *Customer, restaurant *Restaurant) *Or...

FILE: solutions/golang/fooddeliveryservice/restaurant.go
  type Restaurant (line 5) | type Restaurant struct
    method AddMenuItem (line 22) | func (r *Restaurant) AddMenuItem(item *MenuItem) {
    method RemoveMenuItem (line 28) | func (r *Restaurant) RemoveMenuItem(item *MenuItem) {
    method GetMenu (line 39) | func (r *Restaurant) GetMenu() []*MenuItem {
  function NewRestaurant (line 13) | func NewRestaurant(id, name, address string, menu []*MenuItem) *Restaura...

FILE: solutions/golang/fooddeliveryservice/types.go
  type OrderStatus (line 3) | type OrderStatus
    method String (line 14) | func (s OrderStatus) String() string {
  constant OrderStatusPending (line 6) | OrderStatusPending OrderStatus = iota
  constant OrderStatusConfirmed (line 7) | OrderStatusConfirmed
  constant OrderStatusPreparing (line 8) | OrderStatusPreparing
  constant OrderStatusOutForDelivery (line 9) | OrderStatusOutForDelivery
  constant OrderStatusDelivered (line 10) | OrderStatusDelivered
  constant OrderStatusCancelled (line 11) | OrderStatusCancelled

FILE: solutions/golang/hotelmanagementsystem/guest.go
  type Guest (line 3) | type Guest struct
  function NewGuest (line 10) | func NewGuest(id, name, email, phoneNumber string) *Guest {

FILE: solutions/golang/hotelmanagementsystem/hotel_management.go
  type HotelManagementSystem (line 9) | type HotelManagementSystem struct
    method AddGuest (line 32) | func (h *HotelManagementSystem) AddGuest(guest *Guest) {
    method GetGuest (line 38) | func (h *HotelManagementSystem) GetGuest(guestID string) *Guest {
    method AddRoom (line 44) | func (h *HotelManagementSystem) AddRoom(room *Room) {
    method GetRoom (line 50) | func (h *HotelManagementSystem) GetRoom(roomID string) *Room {
    method BookRoom (line 56) | func (h *HotelManagementSystem) BookRoom(guest *Guest, room *Room, che...
    method CancelReservation (line 75) | func (h *HotelManagementSystem) CancelReservation(reservationID string...
    method CheckIn (line 92) | func (h *HotelManagementSystem) CheckIn(reservationID string) error {
    method CheckOut (line 108) | func (h *HotelManagementSystem) CheckOut(reservationID string, payment...
  function GetHotelManagementSystem (line 21) | func GetHotelManagementSystem() *HotelManagementSystem {

FILE: solutions/golang/hotelmanagementsystem/hotel_management_demo.go
  function Run (line 8) | func Run() {

FILE: solutions/golang/hotelmanagementsystem/payment.go
  type Payment (line 3) | type Payment interface
  type CreditCardPayment (line 7) | type CreditCardPayment struct
    method ProcessPayment (line 13) | func (p *CreditCardPayment) ProcessPayment(amount float64) bool {
  function NewCreditCardPayment (line 9) | func NewCreditCardPayment() *CreditCardPayment {
  type CashPayment (line 18) | type CashPayment struct
    method ProcessPayment (line 24) | func (p *CashPayment) ProcessPayment(amount float64) bool {
  function NewCashPayment (line 20) | func NewCashPayment() *CashPayment {

FILE: solutions/golang/hotelmanagementsystem/reservation.go
  type Reservation (line 9) | type Reservation struct
    method Cancel (line 30) | func (r *Reservation) Cancel() error {
  function NewReservation (line 19) | func NewReservation(id string, guest *Guest, room *Room, checkInDate, ch...

FILE: solutions/golang/hotelmanagementsystem/room.go
  type Room (line 8) | type Room struct
    method Book (line 25) | func (r *Room) Book() error {
    method CheckIn (line 36) | func (r *Room) CheckIn() error {
    method CheckOut (line 47) | func (r *Room) CheckOut() error {
    method GetStatus (line 58) | func (r *Room) GetStatus() RoomStatus {
  function NewRoom (line 16) | func NewRoom(id string, roomType RoomType, price float64) *Room {

FILE: solutions/golang/hotelmanagementsystem/types.go
  type RoomType (line 3) | type RoomType
  type RoomStatus (line 4) | type RoomStatus
  type ReservationStatus (line 5) | type ReservationStatus
  constant RoomTypeSingle (line 8) | RoomTypeSingle RoomType = iota
  constant RoomTypeDouble (line 9) | RoomTypeDouble
  constant RoomTypeDeluxe (line 10) | RoomTypeDeluxe
  constant RoomTypeSuite (line 11) | RoomTypeSuite
  constant RoomStatusAvailable (line 15) | RoomStatusAvailable RoomStatus = iota
  constant RoomStatusBooked (line 16) | RoomStatusBooked
  constant RoomStatusOccupied (line 17) | RoomStatusOccupied
  constant ReservationStatusConfirmed (line 21) | ReservationStatusConfirmed ReservationStatus = iota
  constant ReservationStatusCancelled (line 22) | ReservationStatusCancelled

FILE: solutions/golang/librarymanagementsystem/book.go
  type Book (line 5) | type Book struct
    method IsAvailable (line 24) | func (b *Book) IsAvailable() bool {
    method SetAvailable (line 30) | func (b *Book) SetAvailable(available bool) {
  function NewBook (line 14) | func NewBook(isbn, title, author string, publicationYear int) *Book {

FILE: solutions/golang/librarymanagementsystem/library_management_system_demo.go
  function Run (line 7) | func Run() {

FILE: solutions/golang/librarymanagementsystem/library_manager.go
  constant maxBooksPerMember (line 10) | maxBooksPerMember = 5
  constant loanDurationDays (line 11) | loanDurationDays  = 14
  type LibraryManager (line 14) | type LibraryManager struct
    method AddBook (line 35) | func (lm *LibraryManager) AddBook(book *Book) {
    method RemoveBook (line 41) | func (lm *LibraryManager) RemoveBook(isbn string) {
    method GetBook (line 47) | func (lm *LibraryManager) GetBook(isbn string) *Book {
    method RegisterMember (line 53) | func (lm *LibraryManager) RegisterMember(member *Member) {
    method UnregisterMember (line 59) | func (lm *LibraryManager) UnregisterMember(memberID string) {
    method GetMember (line 65) | func (lm *LibraryManager) GetMember(memberID string) *Member {
    method BorrowBook (line 71) | func (lm *LibraryManager) BorrowBook(memberID, isbn string) error {
    method ReturnBook (line 96) | func (lm *LibraryManager) ReturnBook(memberID, isbn string) error {
    method SearchBooks (line 113) | func (lm *LibraryManager) SearchBooks(keyword string) []*Book {
  function GetLibraryManager (line 25) | func GetLibraryManager() *LibraryManager {

FILE: solutions/golang/librarymanagementsystem/member.go
  type Member (line 5) | type Member struct
    method BorrowBook (line 22) | func (m *Member) BorrowBook(book *Book) {
    method ReturnBook (line 28) | func (m *Member) ReturnBook(book *Book) {
    method GetBorrowedBooks (line 34) | func (m *Member) GetBorrowedBooks() []*Book {
  function NewMember (line 13) | func NewMember(memberID, name, contactInfo string) *Member {

FILE: solutions/golang/linkedin/connection.go
  type Connection (line 5) | type Connection struct
  function NewConnection (line 10) | func NewConnection(user *User) *Connection {

FILE: solutions/golang/linkedin/education.go
  type Education (line 3) | type Education struct

FILE: solutions/golang/linkedin/experience.go
  type Experience (line 3) | type Experience struct

FILE: solutions/golang/linkedin/job_posting.go
  type JobPosting (line 5) | type JobPosting struct
  function NewJobPosting (line 14) | func NewJobPosting(id, title, description string, requirements []string,...

FILE: solutions/golang/linkedin/linkedin_service.go
  type LinkedInService (line 10) | type LinkedInService struct
    method RegisterUser (line 33) | func (s *LinkedInService) RegisterUser(user *User) {
    method LoginUser (line 39) | func (s *LinkedInService) LoginUser(email, password string) (*User, er...
    method UpdateUserProfile (line 51) | func (s *LinkedInService) UpdateUserProfile(user *User) {
    method SendConnectionRequest (line 57) | func (s *LinkedInService) SendConnectionRequest(sender, receiver *User) {
    method AcceptConnectionRequest (line 70) | func (s *LinkedInService) AcceptConnectionRequest(user, connectionUser...
    method SearchUsers (line 74) | func (s *LinkedInService) SearchUsers(keyword string) []*User {
    method PostJobListing (line 89) | func (s *LinkedInService) PostJobListing(jobPosting *JobPosting) {
    method SearchJobPostings (line 106) | func (s *LinkedInService) SearchJobPostings(keyword string) []*JobPost...
    method SendMessage (line 122) | func (s *LinkedInService) SendMessage(sender, receiver *User, content ...
    method addNotification (line 142) | func (s *LinkedInService) addNotification(userID string, notification ...
    method GetNotifications (line 148) | func (s *LinkedInService) GetNotifications(userID string) []*Notificat...
  function GetLinkedInService (line 22) | func GetLinkedInService() *LinkedInService {

FILE: solutions/golang/linkedin/linkedin_service_demo.go
  function Run (line 7) | func Run() {

FILE: solutions/golang/linkedin/message.go
  type Message (line 5) | type Message struct
  function NewMessage (line 13) | func NewMessage(id string, sender, receiver *User, content string) *Mess...

FILE: solutions/golang/linkedin/notification.go
  type Notification (line 5) | type Notification struct
  function NewNotification (line 13) | func NewNotification(id string, user *User, notifType NotificationType, ...

FILE: solutions/golang/linkedin/profile.go
  type Profile (line 5) | type Profile struct
    method SetSummary (line 23) | func (p *Profile) SetSummary(summary string) {
    method SetHeadline (line 29) | func (p *Profile) SetHeadline(headline string) {
  function NewProfile (line 15) | func NewProfile() *Profile {

FILE: solutions/golang/linkedin/skill.go
  type Skill (line 3) | type Skill struct

FILE: solutions/golang/linkedin/types.go
  type NotificationType (line 3) | type NotificationType
  constant NotificationTypeConnectionRequest (line 6) | NotificationTypeConnectionRequest NotificationType = iota
  constant NotificationTypeMessage (line 7) | NotificationTypeMessage
  constant NotificationTypeJobPosting (line 8) | NotificationTypeJobPosting

FILE: solutions/golang/linkedin/user.go
  type User (line 5) | type User struct
    method AddConnection (line 30) | func (u *User) AddConnection(connection *Connection) {
    method AddMessage (line 36) | func (u *User) AddMessage(message *Message, isSent bool) {
  function NewUser (line 17) | func NewUser(id, name, email, password string) *User {

FILE: solutions/golang/loggingframework/console_appender.go
  type ConsoleAppender (line 5) | type ConsoleAppender struct
    method Append (line 11) | func (a *ConsoleAppender) Append(message *LogMessage) error {
  function NewConsoleAppender (line 7) | func NewConsoleAppender() *ConsoleAppender {

FILE: solutions/golang/loggingframework/database_appender.go
  type DatabaseAppender (line 8) | type DatabaseAppender struct
    method Append (line 23) | func (a *DatabaseAppender) Append(message *LogMessage) error {
  function NewDatabaseAppender (line 12) | func NewDatabaseAppender(jdbcURL, username, password string) (*DatabaseA...

FILE: solutions/golang/loggingframework/file_appender.go
  type FileAppender (line 7) | type FileAppender struct
    method Append (line 17) | func (a *FileAppender) Append(message *LogMessage) error {
  function NewFileAppender (line 11) | func NewFileAppender(filePath string) *FileAppender {

FILE: solutions/golang/loggingframework/log_appender.go
  type LogAppender (line 3) | type LogAppender interface

FILE: solutions/golang/loggingframework/log_level.go
  type LogLevel (line 3) | type LogLevel
    method String (line 13) | func (l LogLevel) String() string {
  constant LogLevelDebug (line 6) | LogLevelDebug LogLevel = iota
  constant LogLevelInfo (line 7) | LogLevelInfo
  constant LogLevelWarning (line 8) | LogLevelWarning
  constant LogLevelError (line 9) | LogLevelError
  constant LogLevelFatal (line 10) | LogLevelFatal

FILE: solutions/golang/loggingframework/log_message.go
  type LogMessage (line 8) | type LogMessage struct
    method String (line 22) | func (m *LogMessage) String() string {
  function NewLogMessage (line 14) | func NewLogMessage(level LogLevel, message string) *LogMessage {

FILE: solutions/golang/loggingframework/logger.go
  type Logger (line 7) | type Logger struct
    method SetConfig (line 26) | func (l *Logger) SetConfig(config *LoggerConfig) {
    method log (line 32) | func (l *Logger) log(level LogLevel, message string) error {
    method Debug (line 45) | func (l *Logger) Debug(message string) error {
    method Info (line 49) | func (l *Logger) Info(message string) error {
    method Warning (line 53) | func (l *Logger) Warning(message string) error {
    method Error (line 57) | func (l *Logger) Error(message string) error {
    method Fatal (line 61) | func (l *Logger) Fatal(message string) error {
  function GetLogger (line 17) | func GetLogger() *Logger {

FILE: solutions/golang/loggingframework/logger_config.go
  type LoggerConfig (line 3) | type LoggerConfig struct
  function NewLoggerConfig (line 8) | func NewLoggerConfig(level LogLevel, appender LogAppender) *LoggerConfig {

FILE: solutions/golang/loggingframework/logging_framework_demo.go
  function Run (line 7) | func Run() {

FILE: solutions/golang/lrucache/lru_cache.go
  type Node (line 8) | type Node struct
  type LRUCache (line 16) | type LRUCache struct
  function NewLRUCache (line 25) | func NewLRUCache[K comparable, V any](capacity int) *LRUCache[K, V] {
  method Get (line 39) | func (c *LRUCache[K, V]) Get(key K) (V, bool) {
  method Put (line 53) | func (c *LRUCache[K, V]) Put(key K, value V) {
  method addToHead (line 77) | func (c *LRUCache[K, V]) addToHead(node *Node[K, V]) {
  method removeNode (line 85) | func (c *LRUCache[K, V]) removeNode(node *Node[K, V]) {
  method moveToHead (line 91) | func (c *LRUCache[K, V]) moveToHead(node *Node[K, V]) {
  method removeTail (line 97) | func (c *LRUCache[K, V]) removeTail() *Node[K, V] {
  method Size (line 104) | func (c *LRUCache[K, V]) Size() int {
  method Clear (line 111) | func (c *LRUCache[K, V]) Clear() {

FILE: solutions/golang/lrucache/lru_cache_demo.go
  function Run (line 7) | func Run() {

FILE: solutions/golang/main.go
  function main (line 37) | func main() {

FILE: solutions/golang/movieticketbookingsystem/booking.go
  type Booking (line 5) | type Booking struct
    method GetStatus (line 26) | func (b *Booking) GetStatus() BookingStatus {
    method SetStatus (line 32) | func (b *Booking) SetStatus(status BookingStatus) {
  function NewBooking (line 15) | func NewBooking(id string, user *User, show *Show, seats []*Seat, totalP...

FILE: solutions/golang/movieticketbookingsystem/movie.go
  type Movie (line 3) | type Movie struct
  function NewMovie (line 10) | func NewMovie(id, title, description string, durationMinutes int) *Movie {

FILE: solutions/golang/movieticketbookingsystem/movie_ticket_booking_system.go
  type MovieTicketBookingSystem (line 10) | type MovieTicketBookingSystem struct
    method AddMovie (line 36) | func (bs *MovieTicketBookingSystem) AddMovie(movie *Movie) {
    method AddTheater (line 42) | func (bs *MovieTicketBookingSystem) AddTheater(theater *Theater) {
    method AddShow (line 48) | func (bs *MovieTicketBookingSystem) AddShow(show *Show) {
    method GetShow (line 54) | func (bs *MovieTicketBookingSystem) GetShow(showID string) *Show {
    method BookTickets (line 60) | func (bs *MovieTicketBookingSystem) BookTickets(user *User, show *Show...
    method ConfirmBooking (line 93) | func (bs *MovieTicketBookingSystem) ConfirmBooking(bookingID string) e...
    method CancelBooking (line 110) | func (bs *MovieTicketBookingSystem) CancelBooking(bookingID string) er...
    method generateBookingID (line 133) | func (bs *MovieTicketBookingSystem) generateBookingID() string {
  function GetBookingSystem (line 24) | func GetBookingSystem() *MovieTicketBookingSystem {
  function CreateSeats (line 139) | func CreateSeats(rows, columns int) map[string]*Seat {

FILE: solutions/golang/movieticketbookingsystem/movie_ticket_booking_system_demo.go
  function Run (line 8) | func Run() {

FILE: solutions/golang/movieticketbookingsystem/seat.go
  type Seat (line 5) | type Seat struct
    method GetStatus (line 26) | func (s *Seat) GetStatus() SeatStatus {
    method SetStatus (line 32) | func (s *Seat) SetStatus(status SeatStatus) {
    method GetPrice (line 38) | func (s *Seat) GetPrice() float64 {
  function NewSeat (line 15) | func NewSeat(id string, row, column int, seatType SeatType, price float6...

FILE: solutions/golang/movieticketbookingsystem/show.go
  type Show (line 8) | type Show struct
  function NewShow (line 18) | func NewShow(id string, movie *Movie, theater *Theater, startTime, endTi...

FILE: solutions/golang/movieticketbookingsystem/theater.go
  type Theater (line 3) | type Theater struct
  function NewTheater (line 10) | func NewTheater(id, name, location string) *Theater {

FILE: solutions/golang/movieticketbookingsystem/types.go
  type SeatType (line 3) | type SeatType
  type SeatStatus (line 4) | type SeatStatus
  type BookingStatus (line 5) | type BookingStatus
  constant SeatTypeNormal (line 8) | SeatTypeNormal SeatType = iota
  constant SeatTypePremium (line 9) | SeatTypePremium
  constant SeatStatusAvailable (line 13) | SeatStatusAvailable SeatStatus = iota
  constant SeatStatusBooked (line 14) | SeatStatusBooked
  constant BookingStatusPending (line 18) | BookingStatusPending BookingStatus = iota
  constant BookingStatusConfirmed (line 19) | BookingStatusConfirmed
  constant BookingStatusCancelled (line 20) | BookingStatusCancelled

FILE: solutions/golang/movieticketbookingsystem/user.go
  type User (line 3) | type User struct
  function NewUser (line 9) | func NewUser(id, name, email string) *User {

FILE: solutions/golang/musicstreamingservice/album.go
  type Album (line 3) | type Album struct

FILE: solutions/golang/musicstreamingservice/artist.go
  type Artist (line 3) | type Artist struct

FILE: solutions/golang/musicstreamingservice/music_library.go
  type MusicLibrary (line 8) | type MusicLibrary struct
    method AddSong (line 31) | func (ml *MusicLibrary) AddSong(song *Song) {
    method AddAlbum (line 37) | func (ml *MusicLibrary) AddAlbum(album *Album) {
    method AddArtist (line 46) | func (ml *MusicLibrary) AddArtist(artist *Artist) {
    method SearchSongs (line 58) | func (ml *MusicLibrary) SearchSongs(query string) []*Song {
  function GetMusicLibrary (line 20) | func GetMusicLibrary() *MusicLibrary {

FILE: solutions/golang/musicstreamingservice/music_player.go
  type MusicPlayer (line 5) | type MusicPlayer struct
    method PlaySong (line 16) | func (p *MusicPlayer) PlaySong(song *Song) {
    method PauseSong (line 25) | func (p *MusicPlayer) PauseSong() {
    method SeekTo (line 32) | func (p *MusicPlayer) SeekTo(time int) {
  function NewMusicPlayer (line 12) | func NewMusicPlayer() *MusicPlayer {

FILE: solutions/golang/musicstreamingservice/music_recommender.go
  type MusicRecommender (line 7) | type MusicRecommender struct
    method RecommendSongs (line 26) | func (mr *MusicRecommender) RecommendSongs(user *User) []*Song {
  function GetMusicRecommender (line 17) | func GetMusicRecommender() *MusicRecommender {

FILE: solutions/golang/musicstreamingservice/music_streaming_service.go
  type MusicStreamingService (line 3) | type MusicStreamingService struct
  function NewMusicStreamingService (line 9) | func NewMusicStreamingService() *MusicStreamingService {

FILE: solutions/golang/musicstreamingservice/music_streaming_service_demo.go
  function Run (line 7) | func Run() {

FILE: solutions/golang/musicstreamingservice/playlist.go
  type Playlist (line 3) | type Playlist struct
    method AddSong (line 19) | func (p *Playlist) AddSong(song *Song) {
    method RemoveSong (line 23) | func (p *Playlist) RemoveSong(song *Song) {
  function NewPlaylist (line 10) | func NewPlaylist(id, name string, owner *User) *Playlist {

FILE: solutions/golang/musicstreamingservice/song.go
  type Song (line 3) | type Song struct

FILE: solutions/golang/musicstreamingservice/user.go
  type User (line 5) | type User struct
    method AddPlaylist (line 22) | func (u *User) AddPlaylist(playlist *Playlist) {
    method RemovePlaylist (line 28) | func (u *User) RemovePlaylist(playlist *Playlist) {
  function NewUser (line 13) | func NewUser(id, username, password string) *User {

FILE: solutions/golang/musicstreamingservice/userManager.go
  type UserManager (line 7) | type UserManager struct
    method RegisterUser (line 26) | func (um *UserManager) RegisterUser(user *User) {
    method LoginUser (line 32) | func (um *UserManager) LoginUser(username, password string) *User {
  function GetUserManager (line 17) | func GetUserManager() *UserManager {

FILE: solutions/golang/onlineauctionsystem/auction_listing.go
  type AuctionListing (line 8) | type AuctionListing struct
    method PlaceBid (line 38) | func (a *AuctionListing) PlaceBid(bid *Bid) bool {
    method CloseAuction (line 52) | func (a *AuctionListing) CloseAuction() {
    method notifyObservers (line 62) | func (a *AuctionListing) notifyObservers() {
  function NewAuctionListing (line 23) | func NewAuctionListing(id, itemName, description string, startingPrice f...

FILE: solutions/golang/onlineauctionsystem/auction_status.go
  type AuctionStatus (line 3) | type AuctionStatus
  constant StatusActive (line 6) | StatusActive AuctionStatus = iota
  constant StatusClosed (line 7) | StatusClosed

FILE: solutions/golang/onlineauctionsystem/auction_system.go
  type AuctionSystem (line 9) | type AuctionSystem struct
    method RegisterUser (line 30) | func (as *AuctionSystem) RegisterUser(user *User) {
    method GetUser (line 36) | func (as *AuctionSystem) GetUser(userID string) *User {
    method CreateAuctionListing (line 42) | func (as *AuctionSystem) CreateAuctionListing(listing *AuctionListing) {
    method SearchAuctionListings (line 54) | func (as *AuctionSystem) SearchAuctionListings(keyword string) []*Auct...
    method PlaceBid (line 70) | func (as *AuctionSystem) PlaceBid(auctionListingID string, bid *Bid) b...
  function GetInstance (line 20) | func GetInstance() *AuctionSystem {

FILE: solutions/golang/onlineauctionsystem/bid.go
  type Bid (line 5) | type Bid struct
  function NewBid (line 12) | func NewBid(id string, bidder *User, amount float64) *Bid {

FILE: solutions/golang/onlineauctionsystem/main.go
  function Run (line 8) | func Run() {

FILE: solutions/golang/onlineauctionsystem/user.go
  type User (line 3) | type User struct
  function NewUser (line 9) | func NewUser(id, username, email string) *User {

FILE: solutions/golang/onlineshoppingservice/credit_card_payment.go
  type CreditCardPayment (line 3) | type CreditCardPayment struct
    method ProcessPayment (line 5) | func (c *CreditCardPayment) ProcessPayment(amount float64) bool {

FILE: solutions/golang/onlineshoppingservice/online_shopping_service.go
  type OnlineShoppingService (line 9) | type OnlineShoppingService struct
    method RegisterUser (line 28) | func (s *OnlineShoppingService) RegisterUser(user *User) {
    method AddProduct (line 32) | func (s *OnlineShoppingService) AddProduct(product *Product) {
    method SearchProducts (line 36) | func (s *OnlineShoppingService) SearchProducts(keyword string) []*Prod...
    method PlaceOrder (line 46) | func (s *OnlineShoppingService) PlaceOrder(user *User, cart *ShoppingC...
  function GetInstance (line 17) | func GetInstance() *OnlineShoppingService {

FILE: solutions/golang/onlineshoppingservice/online_shopping_service_demo.go
  function Run (line 7) | func Run() {

FILE: solutions/golang/onlineshoppingservice/order.go
  type Order (line 3) | type Order struct
    method calculateTotalAmount (line 22) | func (o *Order) calculateTotalAmount() float64 {
    method SetStatus (line 30) | func (o *Order) SetStatus(status OrderStatus) {
  function NewOrder (line 11) | func NewOrder(id string, user *User, items []OrderItem) *Order {

FILE: solutions/golang/onlineshoppingservice/order_item.go
  type OrderItem (line 3) | type OrderItem struct
  function NewOrderItem (line 8) | func NewOrderItem(product *Product, quantity int) OrderItem {

FILE: solutions/golang/onlineshoppingservice/order_status.go
  type OrderStatus (line 3) | type OrderStatus
  constant Pending (line 6) | Pending OrderStatus = iota
  constant Processing (line 7) | Processing
  constant Shipped (line 8) | Shipped
  constant Delivered (line 9) | Delivered
  constant Cancelled (line 10) | Cancelled

FILE: solutions/golang/onlineshoppingservice/payment.go
  type Payment (line 3) | type Payment interface

FILE: solutions/golang/onlineshoppingservice/product.go
  type Product (line 3) | type Product struct
    method UpdateQuantity (line 21) | func (p *Product) UpdateQuantity(quantity int) {
    method IsAvailable (line 25) | func (p *Product) IsAvailable(quantity int) bool {
  function NewProduct (line 11) | func NewProduct(id, name, description string, price float64, quantity in...

FILE: solutions/golang/onlineshoppingservice/shopping_cart.go
  type ShoppingCart (line 3) | type ShoppingCart struct
    method AddItem (line 11) | func (c *ShoppingCart) AddItem(product *Product, quantity int) {
    method RemoveItem (line 17) | func (c *ShoppingCart) RemoveItem(productId string) {
    method GetItems (line 21) | func (c *ShoppingCart) GetItems() []OrderItem {
    method Clear (line 29) | func (c *ShoppingCart) Clear() {
  function NewShoppingCart (line 7) | func NewShoppingCart() *ShoppingCart {

FILE: solutions/golang/onlineshoppingservice/user.go
  type User (line 3) | type User struct
    method AddOrder (line 21) | func (u *User) AddOrder(order Order) {
  function NewUser (line 11) | func NewUser(id, name, email, password string) *User {

FILE: solutions/golang/onlinestockbrokeragesystem/account.go
  type Account (line 5) | type Account struct
    method Deposit (line 23) | func (a *Account) Deposit(amount float64) {
    method Withdraw (line 29) | func (a *Account) Withdraw(amount float64) error {
    method GetBalance (line 41) | func (a *Account) GetBalance() float64 {
  function NewAccount (line 13) | func NewAccount(accountID string, user *User, initialBalance float64) *A...

FILE: solutions/golang/onlinestockbrokeragesystem/buy_order.go
  type BuyOrder (line 3) | type BuyOrder struct
    method Execute (line 20) | func (o *BuyOrder) Execute() error {
  function NewBuyOrder (line 7) | func NewBuyOrder(orderID string, account *Account, stock *Stock, quantit...

FILE: solutions/golang/onlinestockbrokeragesystem/exceptions.go
  type InsufficientFundsError (line 3) | type InsufficientFundsError struct
    method Error (line 11) | func (e *InsufficientFundsError) Error() string {
  function NewInsufficientFundsError (line 7) | func NewInsufficientFundsError(message string) *InsufficientFundsError {
  type InsufficientStockError (line 15) | type InsufficientStockError struct
    method Error (line 23) | func (e *InsufficientStockError) Error() string {
  function NewInsufficientStockError (line 19) | func NewInsufficientStockError(message string) *InsufficientStockError {

FILE: solutions/golang/onlinestockbrokeragesystem/order.go
  type Order (line 3) | type Order interface
  type BaseOrder (line 9) | type BaseOrder struct
    method GetStatus (line 18) | func (o *BaseOrder) GetStatus() OrderStatus {
    method SetStatus (line 22) | func (o *BaseOrder) SetStatus(status OrderStatus) {

FILE: solutions/golang/onlinestockbrokeragesystem/portfolio.go
  type Portfolio (line 5) | type Portfolio struct
    method AddStock (line 18) | func (p *Portfolio) AddStock(stock *Stock, quantity int) {
    method RemoveStock (line 24) | func (p *Portfolio) RemoveStock(stock *Stock, quantity int) error {
    method GetHoldings (line 44) | func (p *Portfolio) GetHoldings() map[string]int {
  function NewPortfolio (line 11) | func NewPortfolio(account *Account) *Portfolio {

FILE: solutions/golang/onlinestockbrokeragesystem/sell_order.go
  type SellOrder (line 3) | type SellOrder struct
    method Execute (line 20) | func (o *SellOrder) Execute() error {
  function NewSellOrder (line 7) | func NewSellOrder(orderID string, account *Account, stock *Stock, quanti...

FILE: solutions/golang/onlinestockbrokeragesystem/stock.go
  type Stock (line 5) | type Stock struct
    method UpdatePrice (line 20) | func (s *Stock) UpdatePrice(newPrice float64) {
    method GetPrice (line 26) | func (s *Stock) GetPrice() float64 {
  function NewStock (line 12) | func NewStock(symbol, name string, price float64) *Stock {

FILE: solutions/golang/onlinestockbrokeragesystem/stock_broker.go
  type StockBroker (line 9) | type StockBroker struct
    method CreateAccount (line 34) | func (sb *StockBroker) CreateAccount(user *User, initialBalance float6...
    method GetAccount (line 43) | func (sb *StockBroker) GetAccount(accountID string) *Account {
    method AddStock (line 49) | func (sb *StockBroker) AddStock(stock *Stock) {
    method GetStock (line 55) | func (sb *StockBroker) GetStock(symbol string) *Stock {
    method PlaceOrder (line 61) | func (sb *StockBroker) PlaceOrder(order Order) {
    method processOrders (line 65) | func (sb *StockBroker) processOrders() {
    method generateAccountID (line 73) | func (sb *StockBroker) generateAccountID() string {
  function GetStockBroker (line 22) | func GetStockBroker() *StockBroker {

FILE: solutions/golang/onlinestockbrokeragesystem/stock_broker_demo.go
  function Run (line 5) | func Run() {

FILE: solutions/golang/onlinestockbrokeragesystem/types.go
  type OrderStatus (line 3) | type OrderStatus
  constant OrderStatusPending (line 6) | OrderStatusPending OrderStatus = iota
  constant OrderStatusExecuted (line 7) | OrderStatusExecuted
  constant OrderStatusRejected (line 8) | OrderStatusRejected

FILE: solutions/golang/onlinestockbrokeragesystem/user.go
  type User (line 3) | type User struct
  function NewUser (line 9) | func NewUser(userID, name, email string) *User {

FILE: solutions/golang/parkinglot/car.go
  function NewCar (line 3) | func NewCar(licensePlate string) Vehicle {

FILE: solutions/golang/parkinglot/level.go
  type Level (line 3) | type Level struct
    method ParkVehicle (line 25) | func (l *Level) ParkVehicle(vehicle Vehicle) bool {
    method UnparkVehicle (line 35) | func (l *Level) UnparkVehicle(vehicle Vehicle) bool {
    method DisplayAvailability (line 45) | func (l *Level) DisplayAvailability() {
  function NewLevel (line 8) | func NewLevel(floor int, numSpots int) *Level {

FILE: solutions/golang/parkinglot/motorcycle.go
  function NewMotorcycle (line 3) | func NewMotorcycle(licensePlate string) Vehicle {

FILE: solutions/golang/parkinglot/parking_lot.go
  type ParkingLot (line 3) | type ParkingLot struct
    method AddLevel (line 16) | func (p *ParkingLot) AddLevel(level *Level) {
    method ParkVehicle (line 20) | func (p *ParkingLot) ParkVehicle(vehicle Vehicle) bool {
    method UnparkVehicle (line 29) | func (p *ParkingLot) UnparkVehicle(vehicle Vehicle) bool {
    method DisplayAvailability (line 38) | func (p *ParkingLot) DisplayAvailability() {
  function GetParkingLotInstance (line 9) | func GetParkingLotInstance() *ParkingLot {

FILE: solutions/golang/parkinglot/parking_lot_demo.go
  function Run (line 3) | func Run() {

FILE: solutions/golang/parkinglot/parking_spot.go
  type ParkingSpot (line 3) | type ParkingSpot struct
    method IsAvailable (line 13) | func (ps *ParkingSpot) IsAvailable() bool {
    method ParkVehicle (line 17) | func (ps *ParkingSpot) ParkVehicle(vehicle Vehicle) {
    method UnparkVehicle (line 23) | func (ps *ParkingSpot) UnparkVehicle() {
    method GetSpotNumber (line 27) | func (ps *ParkingSpot) GetSpotNumber() int {
    method GetVehicleType (line 31) | func (ps *ParkingSpot) GetVehicleType() VehicleType {
    method GetParkedVehicle (line 35) | func (ps *ParkingSpot) GetParkedVehicle() Vehicle {
  function NewParkingSpot (line 9) | func NewParkingSpot(spotNumber int, vehicleType VehicleType) *ParkingSpot {

FILE: solutions/golang/parkinglot/truck.go
  function NewTruck (line 3) | func NewTruck(licensePlate string) Vehicle {

FILE: solutions/golang/parkinglot/vehicle.go
  type VehicleType (line 3) | type VehicleType
  constant CAR (line 6) | CAR VehicleType = iota
  constant MOTORCYCLE (line 7) | MOTORCYCLE
  constant TRUCK (line 8) | TRUCK
  type Vehicle (line 11) | type Vehicle interface
  type BaseVehicle (line 16) | type BaseVehicle struct
    method GetLicensePlate (line 21) | func (v *BaseVehicle) GetLicensePlate() string {
    method GetType (line 25) | func (v *BaseVehicle) GetType() VehicleType {

FILE: solutions/golang/pubsubsystem/message.go
  type Message (line 3) | type Message struct
  function NewMessage (line 7) | func NewMessage(content string) *Message {

FILE: solutions/golang/pubsubsystem/print_subscriber.go
  type PrintSubscriber (line 5) | type PrintSubscriber struct
    method OnMessage (line 13) | func (ps *PrintSubscriber) OnMessage(message *Message) {
  function NewPrintSubscriber (line 9) | func NewPrintSubscriber(name string) *PrintSubscriber {

FILE: solutions/golang/pubsubsystem/publisher.go
  type Publisher (line 5) | type Publisher struct
    method RegisterTopic (line 13) | func (p *Publisher) RegisterTopic(topic *Topic) {
    method Publish (line 17) | func (p *Publisher) Publish(topic *Topic, message *Message) {
  function NewPublisher (line 9) | func NewPublisher() *Publisher {

FILE: solutions/golang/pubsubsystem/pubsub_system_demo.go
  function Run (line 3) | func Run() {

FILE: solutions/golang/pubsubsystem/subscriber.go
  type Subscriber (line 3) | type Subscriber interface

FILE: solutions/golang/pubsubsystem/topic.go
  type Topic (line 7) | type Topic struct
    method AddSubscriber (line 20) | func (t *Topic) AddSubscriber(subscriber Subscriber) {
    method RemoveSubscriber (line 26) | func (t *Topic) RemoveSubscriber(subscriber Subscriber) {
    method Publish (line 32) | func (t *Topic) Publish(message *Message) {
  function NewTopic (line 13) | func NewTopic(name string) *Topic {

FILE: solutions/golang/restaurantmanagementsystem/menu_item.go
  type MenuItem (line 3) | type MenuItem struct
  function NewMenuItem (line 11) | func NewMenuItem(id int, name, description string, price float64, availa...

FILE: solutions/golang/restaurantmanagementsystem/order.go
  type Order (line 7) | type Order struct
    method SetStatus (line 25) | func (o *Order) SetStatus(status OrderStatus) {
  function NewOrder (line 15) | func NewOrder(id int, items []MenuItem, totalAmount float64, status Orde...

FILE: solutions/golang/restaurantmanagementsystem/order_status.go
  type OrderStatus (line 3) | type OrderStatus
  constant OrderPending (line 6) | OrderPending OrderStatus = iota
  constant OrderPreparing (line 7) | OrderPreparing
  constant OrderReady (line 8) | OrderReady
  constant OrderCompleted (line 9) | OrderCompleted
  constant OrderCancelled (line 10) | OrderCancelled

FILE: solutions/golang/restaurantmanagementsystem/payment.go
  type Payment (line 3) | type Payment struct
  function NewPayment (line 10) | func NewPayment(id int, amount float64, method PaymentMethod, status Pay...

FILE: solutions/golang/restaurantmanagementsystem/payment_method.go
  type PaymentMethod (line 3) | type PaymentMethod
  constant Cash (line 6) | Cash PaymentMethod = iota
  constant CreditCard (line 7) | CreditCard
  constant MobilePayment (line 8) | MobilePayment

FILE: solutions/golang/restaurantmanagementsystem/payment_status.go
  type PaymentStatus (line 3) | type PaymentStatus
  constant PaymentPending (line 6) | PaymentPending PaymentStatus = iota
  constant PaymentCompleted (line 7) | PaymentCompleted
  constant PaymentFailed (line 8) | PaymentFailed

FILE: solutions/golang/restaurantmanagementsystem/reservation.go
  type Reservation (line 7) | type Reservation struct
  function NewReservation (line 15) | func NewReservation(id int, customerName, contactNumber string, partySiz...

FILE: solutions/golang/restaurantmanagementsystem/restaurant.go
  type Restaurant (line 5) | type Restaurant struct
    method AddMenuItem (line 30) | func (r *Restaurant) AddMenuItem(item *MenuItem) {
    method RemoveMenuItem (line 36) | func (r *Restaurant) RemoveMenuItem(item *MenuItem) {
    method GetMenu (line 47) | func (r *Restaurant) GetMenu() []MenuItem {
    method PlaceOrder (line 53) | func (r *Restaurant) PlaceOrder(order *Order) {
    method UpdateOrderStatus (line 60) | func (r *Restaurant) UpdateOrderStatus(orderID int, status OrderStatus) {
    method MakeReservation (line 69) | func (r *Restaurant) MakeReservation(reservation *Reservation) {
    method ProcessPayment (line 75) | func (r *Restaurant) ProcessPayment(payment *Payment) {
    method AddStaff (line 81) | func (r *Restaurant) AddStaff(staff *Staff) {
    method notifyKitchen (line 87) | func (r *Restaurant) notifyKitchen(order *Order) {
    method notifyStaff (line 91) | func (r *Restaurant) notifyStaff(order *Order) {
  function GetRestaurantInstance (line 17) | func GetRestaurantInstance() *Restaurant {

FILE: solutions/golang/restaurantmanagementsystem/restaurant_management_demo.go
  function Run (line 8) | func Run() {

FILE: solutions/golang/restaurantmanagementsystem/staff.go
  type Staff (line 3) | type Staff struct
  function NewStaff (line 10) | func NewStaff(id int, name, role, contactNumber string) *Staff {

FILE: solutions/golang/ridesharingservice/driver.go
  type Driver (line 3) | type Driver struct

FILE: solutions/golang/ridesharingservice/driver_status.go
  type DriverStatus (line 3) | type DriverStatus
  constant Available (line 6) | Available DriverStatus = iota
  constant Busy (line 7) | Busy

FILE: solutions/golang/ridesharingservice/location.go
  type Location (line 3) | type Location struct

FILE: solutions/golang/ridesharingservice/passenger.go
  type Passenger (line 3) | type Passenger struct

FILE: solutions/golang/ridesharingservice/ride.go
  type Ride (line 3) | type Ride struct

FILE: solutions/golang/ridesharingservice/ride_service.go
  type RideService (line 10) | type RideService struct
    method AddPassenger (line 33) | func (rs *RideService) AddPassenger(passenger *Passenger) {
    method AddDriver (line 39) | func (rs *RideService) AddDriver(driver *Driver) {
    method RequestRide (line 45) | func (rs *RideService) RequestRide(passenger *Passenger, source, desti...
    method AcceptRide (line 57) | func (rs *RideService) AcceptRide(driver *Driver, ride *Ride) {
    method StartRide (line 68) | func (rs *RideService) StartRide(ride *Ride) {
    method CompleteRide (line 77) | func (rs *RideService) CompleteRide(ride *Ride) {
    method CancelRide (line 89) | func (rs *RideService) CancelRide(ride *Ride) {
    method notifyDrivers (line 102) | func (rs *RideService) notifyDrivers(ride *Ride) {
    method notifyPassenger (line 110) | func (rs *RideService) notifyPassenger(ride *Ride) {
    method notifyDriver (line 125) | func (rs *RideService) notifyDriver(ride *Ride) {
    method calculateFare (line 138) | func (rs *RideService) calculateFare(ride *Ride) float64 {
    method calculateDistance (line 149) | func (rs *RideService) calculateDistance(source, destination *Location...
    method calculateDuration (line 153) | func (rs *RideService) calculateDuration(source, destination *Location...
    method generateRideID (line 158) | func (rs *RideService) generateRideID() int {
  function GetRideService (line 21) | func GetRideService() *RideService {

FILE: solutions/golang/ridesharingservice/ride_sharing_service_demo.go
  function Run (line 5) | func Run() {

FILE: solutions/golang/ridesharingservice/ride_status.go
  type RideStatus (line 3) | type RideStatus
  constant Requested (line 6) | Requested RideStatus = iota
  constant Accepted (line 7) | Accepted
  constant InProgress (line 8) | InProgress
  constant Completed (line 9) | Completed
  constant Cancelled (line 10) | Cancelled

FILE: solutions/golang/snakeandladdergame/board.go
  type Board (line 3) | type Board struct
    method initializeSnakesAndLadders (line 19) | func (b *Board) initializeSnakesAndLadders() {
    method GetNewPosition (line 25) | func (b *Board) GetNewPosition(position int) int {
  function NewBoard (line 9) | func NewBoard() *Board {

FILE: solutions/golang/snakeandladdergame/dice.go
  type Dice (line 5) | type Dice struct
    method Roll (line 11) | func (d *Dice) Roll() int {
  function NewDice (line 7) | func NewDice() *Dice {

FILE: solutions/golang/snakeandladdergame/game_manager.go
  type GameManager (line 5) | type GameManager struct
    method StartNewGame (line 20) | func (gm *GameManager) StartNewGame(wg *sync.WaitGroup, playerNames []...
  function GetGameManager (line 11) | func GetGameManager() *GameManager {

FILE: solutions/golang/snakeandladdergame/ladder.go
  type Ladder (line 3) | type Ladder struct
  function NewLadder (line 8) | func NewLadder(start, end int) *Ladder {

FILE: solutions/golang/snakeandladdergame/player.go
  type Player (line 3) | type Player struct
  function NewPlayer (line 8) | func NewPlayer(name string) *Player {

FILE: solutions/golang/snakeandladdergame/snake.go
  type Snake (line 3) | type Snake struct
  function NewSnake (line 8) | func NewSnake(start, end int) *Snake {

FILE: solutions/golang/snakeandladdergame/snake_and_ladder_demo.go
  function Run (line 8) | func Run() {

FILE: solutions/golang/snakeandladdergame/snake_and_ladder_game.go
  type SnakeAndLadderGame (line 10) | type SnakeAndLadderGame struct
    method Play (line 33) | func (g *SnakeAndLadderGame) Play(wg *sync.WaitGroup) {
    method isGameOver (line 55) | func (g *SnakeAndLadderGame) isGameOver() bool {
  function NewSnakeAndLadderGame (line 18) | func NewSnakeAndLadderGame(playerNames []string) *SnakeAndLadderGame {
  function generateID (line 66) | func generateID() int64 {

FILE: solutions/golang/socialnetworkingservice/comment.go
  type Comment (line 5) | type Comment struct
  function NewComment (line 13) | func NewComment(id, userID, postID, content string) *Comment {

FILE: solutions/golang/socialnetworkingservice/notification.go
  type Notification (line 5) | type Notification struct
  function NewNotification (line 13) | func NewNotification(id, userID string, notifType NotificationType, cont...

FILE: solutions/golang/socialnetworkingservice/post.go
  type Post (line 8) | type Post struct
    method AddLike (line 33) | func (p *Post) AddLike(userID string) bool {
    method AddComment (line 43) | func (p *Post) AddComment(comment *Comment) {
    method GetLikes (line 49) | func (p *Post) GetLikes() []string {
    method GetComments (line 59) | func (p *Post) GetComments() []*Comment {
  function NewPost (line 20) | func NewPost(id, userID, content string, imageURLs, videoURLs []string) ...

FILE: solutions/golang/socialnetworkingservice/social_networking_service.go
  type SocialNetwork (line 10) | type SocialNetwork struct
    method RegisterUser (line 33) | func (sn *SocialNetwork) RegisterUser(user *User) error {
    method LoginUser (line 44) | func (sn *SocialNetwork) LoginUser(email, password string) (*User, err...
    method UpdateUserProfile (line 56) | func (sn *SocialNetwork) UpdateUserProfile(user *User) {
    method SendFriendRequest (line 62) | func (sn *SocialNetwork) SendFriendRequest(senderID, receiverID string...
    method AcceptFriendRequest (line 84) | func (sn *SocialNetwork) AcceptFriendRequest(userID, friendID string) ...
    method CreatePost (line 109) | func (sn *SocialNetwork) CreatePost(post *Post) error {
    method GetNewsfeed (line 123) | func (sn *SocialNetwork) GetNewsfeed(userID string) ([]*Post, error) {
    method LikePost (line 152) | func (sn *SocialNetwork) LikePost(userID, postID string) error {
    method CommentOnPost (line 173) | func (sn *SocialNetwork) CommentOnPost(comment *Comment) error {
    method GetNotifications (line 194) | func (sn *SocialNetwork) GetNotifications(userID string) ([]*Notificat...
    method addNotification (line 205) | func (sn *SocialNetwork) addNotification(userID string, notification *...
  function GetSocialNetwork (line 22) | func GetSocialNetwork() *SocialNetwork {

FILE: solutions/golang/socialnetworkingservice/social_networking_service_demo.go
  function Run (line 8) | func Run() {

FILE: solutions/golang/socialnetworkingservice/types.go
  type NotificationType (line 3) | type NotificationType
    method String (line 13) | func (nt NotificationType) String() string {
  constant NotificationTypeFriendRequest (line 6) | NotificationTypeFriendRequest NotificationType = iota
  constant NotificationTypeFriendRequestAccepted (line 7) | NotificationTypeFriendRequestAccepted
  constant NotificationTypeLike (line 8) | NotificationTypeLike
  constant NotificationTypeComment (line 9) | NotificationTypeComment
  constant NotificationTypeMention (line 10) | NotificationTypeMention

FILE: solutions/golang/socialnetworkingservice/user.go
  type User (line 5) | type User struct
    method AddFriend (line 30) | func (u *User) AddFriend(friendID string) {
    method AddPost (line 36) | func (u *User) AddPost(post *Post) {
    method GetFriends (line 42) | func (u *User) GetFriends() []string {
    method GetPosts (line 52) | func (u *User) GetPosts() []*Post {
  function NewUser (line 17) | func NewUser(id, name, email, password, profilePicture, bio string) *User {

FILE: solutions/golang/splitwise/equal_split.go
  type EqualSplit (line 3) | type EqualSplit struct
    method GetAmount (line 12) | func (e *EqualSplit) GetAmount() float64 {
    method SetAmount (line 16) | func (e *EqualSplit) SetAmount(amount float64) {
    method GetUser (line 20) | func (e *EqualSplit) GetUser() *User {
  function NewEqualSplit (line 8) | func NewEqualSplit(user *User) *EqualSplit {

FILE: solutions/golang/splitwise/expense.go
  type Expense (line 3) | type Expense struct
    method AddSplit (line 21) | func (e *Expense) AddSplit(split Split) {
  function NewExpense (line 11) | func NewExpense(id string, amount float64, description string, paidBy *U...

FILE: solutions/golang/splitwise/group.go
  type Group (line 3) | type Group struct
    method AddMember (line 19) | func (g *Group) AddMember(user *User) {
    method AddExpense (line 23) | func (g *Group) AddExpense(expense *Expense) {
  function NewGroup (line 10) | func NewGroup(id, name string) *Group {

FILE: solutions/golang/splitwise/percent_split.go
  type PercentSplit (line 3) | type PercentSplit struct
    method GetAmount (line 13) | func (p *PercentSplit) GetAmount() float64 {
    method SetAmount (line 17) | func (p *PercentSplit) SetAmount(amount float64) {
    method GetUser (line 21) | func (p *PercentSplit) GetUser() *User {
  function NewPercentSplit (line 9) | func NewPercentSplit(user *User, percent float64) *PercentSplit {

FILE: solutions/golang/splitwise/split.go
  type Split (line 3) | type Split interface

FILE: solutions/golang/splitwise/splitwise_demo.go
  function Run (line 7) | func Run() {

FILE: solutions/golang/splitwise/splitwise_service.go
  type SplitwiseService (line 8) | type SplitwiseService struct
    method AddUser (line 28) | func (s *SplitwiseService) AddUser(user *User) {
    method AddGroup (line 32) | func (s *SplitwiseService) AddGroup(group *Group) {
    method AddExpense (line 36) | func (s *SplitwiseService) AddExpense(groupID string, expense *Expense) {
    method splitExpense (line 46) | func (s *SplitwiseService) splitExpense(expense *Expense) {
    method updateBalances (line 60) | func (s *SplitwiseService) updateBalances(expense *Expense) {
    method updateBalance (line 72) | func (s *SplitwiseService) updateBalance(user1, user2 *User, amount fl...
    method SettleBalance (line 77) | func (s *SplitwiseService) SettleBalance(userID1, userID2 string) {
    method createTransaction (line 98) | func (s *SplitwiseService) createTransaction(sender, receiver *User, a...
  function GetSplitwiseService (line 18) | func GetSplitwiseService() *SplitwiseService {

FILE: solutions/golang/splitwise/transaction.go
  type Transaction (line 3) | type Transaction struct
  function NewTransaction (line 10) | func NewTransaction(id string, sender, receiver *User, amount float64) *...

FILE: solutions/golang/splitwise/user.go
  type User (line 3) | type User struct
  function NewUser (line 10) | func NewUser(id, name, email string) *User {

FILE: solutions/golang/stackOverFlow/answer.go
  type Answer (line 9) | type Answer struct
    method Vote (line 33) | func (a *Answer) Vote(user *User, value int) error {
    method GetVoteCount (line 54) | func (a *Answer) GetVoteCount() int {
    method AddComment (line 65) | func (a *Answer) AddComment(comment *Comment) error {
    method GetComments (line 72) | func (a *Answer) GetComments() []*Comment {
    method MarkAsAccepted (line 80) | func (a *Answer) MarkAsAccepted() error {
    method IsAccepted (line 93) | func (a *Answer) IsAccepted() bool {
  function NewAnswer (line 21) | func NewAnswer(author *User, question *Question, content string) *Answer {

FILE: solutions/golang/stackOverFlow/stackoverflow.go
  type StackOverflow (line 9) | type StackOverflow struct
    method CreateUser (line 26) | func (so *StackOverflow) CreateUser(username, email string) *User {
    method AskQuestion (line 36) | func (so *StackOverflow) AskQuestion(user *User, title, content string...
    method AnswerQuestion (line 57) | func (so *StackOverflow) AnswerQuestion(user *User, question *Question...
    method AddComment (line 74) | func (so *StackOverflow) AddComment(user *User, target Commentable, co...
    method VoteQuestion (line 88) | func (so *StackOverflow) VoteQuestion(user *User, question *Question, ...
    method VoteAnswer (line 95) | func (so *StackOverflow) VoteAnswer(user *User, answer *Answer, value ...
    method AcceptAnswer (line 102) | func (so *StackOverflow) AcceptAnswer(answer *Answer) error {
    method SearchQuestions (line 109) | func (so *StackOverflow) SearchQuestions(query string) []*Question {
    method GetQuestionsByUser (line 135) | func (so *StackOverflow) GetQuestionsByUser(user *User) []*Question {
  function NewStackOverflow (line 17) | func NewStackOverflow() *StackOverflow {

FILE: solutions/golang/stackOverFlow/stackoverflow_demo.go
  function Run (line 5) | func Run() {

FILE: solutions/golang/stackOverFlow/types.go
  type Votable (line 10) | type Votable interface
  type Commentable (line 15) | type Commentable interface
  constant QuestionReputation (line 22) | QuestionReputation = 5
  constant AnswerReputation (line 23) | AnswerReputation   = 10
  constant CommentReputation (line 24) | CommentReputation  = 2
  type Vote (line 28) | type Vote struct
  type Comment (line 34) | type Comment struct
  function NewComment (line 42) | func NewComment(author *User, content string) *Comment {
  type Tag (line 52) | type Tag struct
  function NewTag (line 57) | func NewTag(name string) *Tag {
  type User (line 65) | type User struct
    method UpdateReputation (line 87) | func (u *User) UpdateReputation(value int) {
    method GetReputation (line 96) | func (u *User) GetReputation() int {
    method AddQuestion (line 102) | func (u *User) AddQuestion(q *Question) {
    method AddAnswer (line 109) | func (u *User) AddAnswer(a *Answer) {
    method AddComment (line 116) | func (u *User) AddComment(c *Comment) {
    method GetQuestions (line 123) | func (u *User) GetQuestions() []*Question {
  function NewUser (line 76) | func NewUser(id, username, email string) *User {
  type Question (line 132) | type Question struct
    method AddAnswer (line 165) | func (q *Question) AddAnswer(answer *Answer) error {
    method Vote (line 180) | func (q *Question) Vote(user *User, value int) error {
    method GetVoteCount (line 201) | func (q *Question) GetVoteCount() int {
    method AddComment (line 212) | func (q *Question) AddComment(comment *Comment) error {
    method GetComments (line 219) | func (q *Question) GetComments() []*Comment {
    method GetAnswers (line 227) | func (q *Question) GetAnswers() []*Answer {
    method GetTags (line 235) | func (q *Question) GetTags() []*Tag {
  function NewQuestion (line 145) | func NewQuestion(author *User, title, content string, tagNames []string)...
  function generateID (line 244) | func generateID() string {

FILE: solutions/golang/taskmanagementsystem/task.go
  type Task (line 5) | type Task struct
    method GetId (line 27) | func (t *Task) GetId() string {
    method GetTitle (line 31) | func (t *Task) GetTitle() string {
    method GetDescription (line 35) | func (t *Task) GetDescription() string {
    method GetDueDate (line 39) | func (t *Task) GetDueDate() time.Time {
    method GetPriority (line 43) | func (t *Task) GetPriority() int {
    method GetStatus (line 47) | func (t *Task) GetStatus() TaskStatus {
    method GetAssignedUser (line 51) | func (t *Task) GetAssignedUser() *User {
    method SetTitle (line 55) | func (t *Task) SetTitle(title string) {
    method SetDescription (line 59) | func (t *Task) SetDescription(description string) {
    method SetDueDate (line 63) | func (t *Task) SetDueDate(dueDate time.Time) {
    method SetPriority (line 67) | func (t *Task) SetPriority(priority int) {
    method SetStatus (line 71) | func (t *Task) SetStatus(status TaskStatus) {
  function NewTask (line 15) | func NewTask(id, title, description string, dueDate time.Time, priority ...

FILE: solutions/golang/taskmanagementsystem/task_management_system_demo.go
  function Run (line 8) | func Run() {

FILE: solutions/golang/taskmanagementsystem/task_manager.go
  type TaskManager (line 8) | type TaskManager struct
    method CreateTask (line 27) | func (tm *TaskManager) CreateTask(task *Task) {
    method UpdateTask (line 35) | func (tm *TaskManager) UpdateTask(updatedTask *Task) {
    method DeleteTask (line 53) | func (tm *TaskManager) DeleteTask(taskId string) {
    method SearchTasks (line 63) | func (tm *TaskManager) SearchTasks(keyword string) []*Task {
    method FilterTasks (line 76) | func (tm *TaskManager) FilterTasks(status TaskStatus, startDate, endDa...
    method MarkTaskAsCompleted (line 92) | func (tm *TaskManager) MarkTaskAsCompleted(taskId string) {
    method GetTaskHistory (line 101) | func (tm *TaskManager) GetTaskHistory(user *User) []*Task {
    method assignTaskToUser (line 108) | func (tm *TaskManager) assignTaskToUser(user *User, task *Task) {
    method unassignTaskFromUser (line 112) | func (tm *TaskManager) unassignTaskFromUser(user *User, task *Task) {
  function GetTaskManager (line 17) | func GetTaskManager() *TaskManager {
  function contains (line 122) | func contains(text, substr string) bool {

FILE: solutions/golang/taskmanagementsystem/task_status.go
  type TaskStatus (line 3) | type TaskStatus
  constant Pending (line 6) | Pending    TaskStatus = "PENDING"
  constant InProgress (line 7) | InProgress TaskStatus = "IN_PROGRESS"
  constant Completed (line 8) | Completed  TaskStatus = "COMPLETED"

FILE: solutions/golang/taskmanagementsystem/user.go
  type User (line 3) | type User struct
    method GetId (line 13) | func (u *User) GetId() string {
    method GetName (line 17) | func (u *User) GetName() string {
  function NewUser (line 9) | func NewUser(id, name, email string) *User {

FILE: solutions/golang/tictactoe/board.go
  type Board (line 5) | type Board struct
    method InitializeBoard (line 16) | func (b *Board) InitializeBoard() {
    method MakeMove (line 25) | func (b *Board) MakeMove(row, col int, symbol rune) error {
    method IsFull (line 34) | func (b *Board) IsFull() bool {
    method HasWinner (line 38) | func (b *Board) HasWinner() bool {
    method PrintBoard (line 60) | func (b *Board) PrintBoard() {
  function NewBoard (line 10) | func NewBoard() *Board {

FILE: solutions/golang/tictactoe/game.go
  type Game (line 10) | type Game struct
    method Play (line 26) | func (g *Game) Play() {
    method switchPlayer (line 52) | func (g *Game) switchPlayer() {
    method getValidInput (line 60) | func (g *Game) getValidInput(prompt string) int {
  function NewGame (line 17) | func NewGame(player1, player2 *Player) *Game {

FILE: solutions/golang/tictactoe/player.go
  type Player (line 3) | type Player struct
  function NewPlayer (line 8) | func NewPlayer(name string, symbol rune) *Player {

FILE: solutions/golang/tictactoe/tictactoe_demo.go
  function Run (line 3) | func Run() {

FILE: solutions/golang/trafficsignalsystem/road.go
  type Road (line 3) | type Road struct
    method SetTrafficLight (line 13) | func (r *Road) SetTrafficLight(trafficLight *TrafficLight) {
  function NewRoad (line 9) | func NewRoad(id, name string) *Road {

FILE: solutions/golang/trafficsignalsystem/signal.go
  type Signal (line 3) | type Signal
  constant Red (line 6) | Red    Signal = "RED"
  constant Yellow (line 7) | Yellow Signal = "YELLOW"
  constant Green (line 8) | Green  Signal = "GREEN"

FILE: solutions/golang/trafficsignalsystem/traffic_controller.go
  type TrafficController (line 8) | type TrafficController struct
    method AddRoad (line 24) | func (tc *TrafficController) AddRoad(road *Road) {
    method StartTrafficControl (line 30) | func (tc *TrafficController) StartTrafficControl() {
    method HandleEmergency (line 49) | func (tc *TrafficController) HandleEmergency(roadID string) {
  function GetTrafficController (line 17) | func GetTrafficController() *TrafficController {

FILE: solutions/golang/trafficsignalsystem/traffic_light.go
  type TrafficLight (line 5) | type TrafficLight struct
    method ChangeSignal (line 23) | func (tl *TrafficLight) ChangeSignal(newSignal Signal) {
    method notifyObservers (line 28) | func (tl *TrafficLight) notifyObservers() {
  function NewTrafficLight (line 13) | func NewTrafficLight(id string, redDuration, yellowDuration, greenDurati...

FILE: solutions/golang/trafficsignalsystem/traffic_signal_system_demo.go
  function Run (line 6) | func Run() {

FILE: solutions/golang/vendingmachine/coin.go
  type Coin (line 3) | type Coin
  constant PENNY (line 6) | PENNY   Coin = 0.01
  constant NICKEL (line 7) | NICKEL  Coin = 0.05
  constant DIME (line 8) | DIME    Coin = 0.10
  constant QUARTER (line 9) | QUARTER Coin = 0.25

FILE: solutions/golang/vendingmachine/inventory.go
  type Inventory (line 3) | type Inventory struct
    method AddProduct (line 11) | func (inv *Inventory) AddProduct(product *Product, quantity int) {
    method IsAvailable (line 15) | func (inv *Inventory) IsAvailable(product *Product) bool {
  function NewInventory (line 7) | func NewInventory() *Inventory {

FILE: solutions/golang/vendingmachine/note.go
  type Note (line 3) | type Note
  constant ONE (line 6) | ONE    Note = 1
  constant FIVE (line 7) | FIVE   Note = 5
  constant TEN (line 8) | TEN    Note = 10
  constant TWENTY (line 9) | TWENTY Note = 20

FILE: solutions/golang/vendingmachine/product.go
  type Product (line 3) | type Product struct
  function NewProduct (line 8) | func NewProduct(name string, price float64) *Product {

FILE: solutions/golang/vendingmachine/state.go
  type VendingMachineState (line 5) | type VendingMachineState interface
  type IdleState (line 14) | type IdleState struct
    method SelectProduct (line 18) | func (s *IdleState) SelectProduct(product *Product) {
    method InsertCoin (line 28) | func (s *IdleState) InsertCoin(coin Coin) { fmt.Println("Please select...
    method InsertNote (line 29) | func (s *IdleState) InsertNote(note Note) { fmt.Println("Please select...
    method DispenseProduct (line 30) | func (s *IdleState) DispenseProduct()     { fmt.Println("Please select...
    method ReturnChange (line 31) | func (s *IdleState) ReturnChange()        { fmt.Println("No change to ...
  type ReadyState (line 34) | type ReadyState struct
    method SelectProduct (line 38) | func (s *ReadyState) SelectProduct(product *Product) {
    method InsertCoin (line 42) | func (s *ReadyState) InsertCoin(coin Coin) {
    method InsertNote (line 48) | func (s *ReadyState) InsertNote(note Note) {
    method DispenseProduct (line 54) | func (s *ReadyState) DispenseProduct() { fmt.Println("Please make paym...
    method ReturnChange (line 55) | func (s *ReadyState) ReturnChange() {
    method checkPaymentStatus (line 66) | func (s *ReadyState) checkPaymentStatus() {
  type DispenseState (line 73) | type DispenseState struct
    method SelectProduct (line 77) | func (s *DispenseState) SelectProduct(product *Product) { fmt.Println(...
    method InsertCoin (line 78) | func (s *DispenseState) InsertCoin(coin Coin)           { fmt.Println(...
    method InsertNote (line 79) | func (s *DispenseState) InsertNote(note Note)           { fmt.Println(...
    method DispenseProduct (line 80) | func (s *DispenseState) DispenseProduct() {
    method ReturnChange (line 85) | func (s *DispenseState) ReturnChange() { fmt.Println("Please collect t...
  type ReturnChangeState (line 88) | type ReturnChangeState struct
    method SelectProduct (line 92) | func (s *ReturnChangeState) SelectProduct(product *Product) {
    method InsertCoin (line 95) | func (s *ReturnChangeState) InsertCoin(coin Coin) { fmt.Println("Pleas...
    method InsertNote (line 96) | func (s *ReturnChangeState) InsertNote(note Note) { fmt.Println("Pleas...
    method DispenseProduct (line 97) | func (s *ReturnChangeState) DispenseProduct() {
    method ReturnChange (line 100) | func (s *ReturnChangeState) ReturnChange() {

FILE: solutions/golang/vendingmachine/vending_machine.go
  type VendingMachine (line 3) | type VendingMachine struct
    method SelectProduct (line 26) | func (vm *VendingMachine) SelectProduct(product *Product) {
    method InsertCoin (line 30) | func (vm *VendingMachine) InsertCoin(coin Coin) {
    method InsertNote (line 34) | func (vm *VendingMachine) InsertNote(note Note) {
    method DispenseProduct (line 38) | func (vm *VendingMachine) DispenseProduct() {
    method ReturnChange (line 42) | func (vm *VendingMachine) ReturnChange() {
    method SetState (line 46) | func (vm *VendingMachine) SetState(state VendingMachineState) {
    method ResetPayment (line 50) | func (vm *VendingMachine) ResetPayment() {
    method ResetSelectedProduct (line 54) | func (vm *VendingMachine) ResetSelectedProduct() {
  function NewVendingMachine (line 14) | func NewVendingMachine() *VendingMachine {

FILE: solutions/golang/vendingmachine/vending_machine_demo.go
  function Run (line 6) | func Run() {

FILE: solutions/java/src/LLDRunner.java
  class LLDRunner (line 20) | public class LLDRunner {
    method main (line 21) | public static void main(String[] args) {

FILE: solutions/java/src/airlinemanagementsystem/Aircraft.java
  class Aircraft (line 3) | public class Aircraft {
    method Aircraft (line 8) | public Aircraft(String tailNumber, String model, int totalSeats) {
    method getTailNumber (line 14) | public String getTailNumber() {

FILE: solutions/java/src/airlinemanagementsystem/AirlineManagementSystem.java
  class AirlineManagementSystem (line 17) | public class AirlineManagementSystem {
    method AirlineManagementSystem (line 25) | public AirlineManagementSystem() {
    method addPassenger (line 34) | public Passenger addPassenger(String name, String email) {
    method addAircraft (line 40) | public Aircraft addAircraft(String tailNumber, String model, int total...
    method addFlight (line 46) | public Flight addFlight(String source, String destination, LocalDateTi...
    method searchFlights (line 55) | public List<Flight> searchFlights(String source, String destination, L...
    method bookFlight (line 59) | public Booking bookFlight(String flightNumber, String passengerId, Sea...
    method cancelBooking (line 65) | public void cancelBooking(String bookingNumber) {
    method processPayment (line 69) | public void processPayment(Payment payment) {

FILE: solutions/java/src/airlinemanagementsystem/AirlineManagementSystemDemo.java
  class AirlineManagementSystemDemo (line 12) | public class AirlineManagementSystemDemo {
    method run (line 13) | public static void run() {

FILE: solutions/java/src/airlinemanagementsystem/Passenger.java
  class Passenger (line 5) | public class Passenger {
    method Passenger (line 10) | public Passenger(String name, String email) {
    method getId (line 16) | public String getId() {

FILE: solutions/java/src/airlinemanagementsystem/booking/Booking.java
  class Booking (line 9) | public class Booking {
    method Booking (line 17) | public Booking(Flight flight, Passenger passenger, Seat seat, double p...
    method cancel (line 26) | public void cancel() {
    method getId (line 31) | public String getId() {

FILE: solutions/java/src/airlinemanagementsystem/booking/BookingManager.java
  class BookingManager (line 11) | public class BookingManager {
    method BookingManager (line 16) | private BookingManager() {
    method getInstance (line 20) | public static synchronized BookingManager getInstance() {
    method createBooking (line 27) | public Booking createBooking(Flight flight, Passenger passenger, Seat ...
    method cancelBooking (line 36) | public void cancelBooking(String bookingNumber) {

FILE: solutions/java/src/airlinemanagementsystem/booking/BookingStatus.java
  type BookingStatus (line 3) | public enum BookingStatus {

FILE: solutions/java/src/airlinemanagementsystem/flight/Flight.java
  class Flight (line 9) | public class Flight {
    method Flight (line 20) | public Flight(String source, String destination, LocalDateTime departu...
    method isSeatAvailable (line 32) | public synchronized boolean isSeatAvailable(String seatNo) {
    method reserveSeat (line 37) | public synchronized void reserveSeat(String seatNo) {
    method releaseSeat (line 43) | public synchronized void releaseSeat(String seatNo) {
    method getSource (line 48) | public String getSource() {
    method getDestination (line 52) | public String getDestination() {
    method getDepartureTime (line 56) | public LocalDateTime getDepartureTime() {
    method getFlightNumber (line 60) | public String getFlightNumber() {
    method getArrivalTime (line 64) | public LocalDateTime getArrivalTime() {
    method getAvailableSeats (line 68) | public List<Seat> getAvailableSeats() {

FILE: solutions/java/src/airlinemanagementsystem/flight/FlightSearch.java
  class FlightSearch (line 8) | public class FlightSearch {
    method FlightSearch (line 11) | public FlightSearch() {
    method addFlight (line 15) | public void addFlight(Flight flight) {
    method searchFlights (line 19) | public List<Flight> searchFlights(String source, String destination, L...

FILE: solutions/java/src/airlinemanagementsystem/flight/FlightStatus.java
  type FlightStatus (line 3) | public enum FlightStatus {

FILE: solutions/java/src/airlinemanagementsystem/payment/Payment.java
  class Payment (line 3) | public class Payment {
    method Payment (line 9) | public Payment(String paymentId, String paymentMethod, double amount) {
    method processPayment (line 16) | public void processPayment() {

FILE: solutions/java/src/airlinemanagementsystem/payment/PaymentProcessor.java
  class PaymentProcessor (line 3) | public class PaymentProcessor {
    method PaymentProcessor (line 6) | private PaymentProcessor() {
    method getInstance (line 9) | public static synchronized PaymentProcessor getInstance() {
    method processPayment (line 16) | public void processPayment(Payment payment) {

FILE: solutions/java/src/airlinemanagementsystem/payment/PaymentStatus.java
  type PaymentStatus (line 3) | public enum PaymentStatus {

FILE: solutions/java/src/airlinemanagementsystem/seat/Seat.java
  class Seat (line 3) | public class Seat {
    method Seat (line 8) | public Seat(String seatNumber, SeatType type) {
    method getSeatNumber (line 14) | public String getSeatNumber() {
    method reserve (line 18) | public void reserve() {
    method release (line 22) | public void release() {
    method isBooked (line 26) | public synchronized boolean isBooked() {

FILE: solutions/java/src/airlinemanagementsystem/seat/SeatStatus.java
  type SeatStatus (line 3) | public enum SeatStatus {

FILE: solutions/java/src/airlinemanagementsystem/seat/SeatType.java
  type SeatType (line 3) | public enum SeatType {

FILE: solutions/java/src/atm/ATMDemo.java
  class ATMDemo (line 5) | public class ATMDemo {
    method main (line 6) | public static void main(String[] args) {

FILE: solutions/java/src/atm/ATMSystem.java
  class ATMSystem (line 16) | public class ATMSystem {
    method ATMSystem (line 24) | private ATMSystem() {
    method getInstance (line 37) | public static ATMSystem getInstance() {
    method changeState (line 44) | public void changeState(ATMState newState) { this.currentState = newSt...
    method setCurrentCard (line 45) | public void setCurrentCard(Card card) { this.currentCard = card; }
    method insertCard (line 47) | public void insertCard(String cardNumber) {
    method enterPin (line 51) | public void enterPin(String pin) {
    method selectOperation (line 55) | public void selectOperation(OperationType op, int... args) { currentSt...
    method getCard (line 57) | public Card getCard(String cardNumber) {
    method authenticate (line 61) | public boolean authenticate(String pin) {
    method checkBalance (line 65) | public void checkBalance() {
    method withdrawCash (line 70) | public void withdrawCash(int amount) {
    method depositCash (line 84) | public void depositCash(int amount) {
    method getCurrentCard (line 88) | public Card getCurrentCard() {
    method getBankService (line 92) | public BankService getBankService() {

FILE: solutions/java/src/atm/chainofresponsibility/DispenseChain.java
  type DispenseChain (line 4) | public interface DispenseChain {
    method setNextChain (line 5) | void setNextChain(DispenseChain nextChain);
    method dispense (line 6) | void dispense(int amount);
    method canDispense (line 7) | boolean canDispense(int amount);

FILE: solutions/java/src/atm/chainofresponsibility/NoteDispenser.java
  class NoteDispenser (line 3) | abstract class NoteDispenser implements DispenseChain {
    method NoteDispenser (line 8) | public NoteDispenser(int noteValue, int numNotes) {
    method setNextChain (line 13) | @Override
    method dispense (line 18) | @Override
    method canDispense (line 37) | @Override

FILE: solutions/java/src/atm/chainofresponsibility/NoteDispenser100.java
  class NoteDispenser100 (line 3) | public class NoteDispenser100 extends NoteDispenser{
    method NoteDispenser100 (line 4) | public NoteDispenser100(int numNotes) {

FILE: solutions/java/src/atm/chainofresponsibility/NoteDispenser20.java
  class NoteDispenser20 (line 3) | public class NoteDispenser20 extends NoteDispenser{
    method NoteDispenser20 (line 4) | public NoteDispenser20(int numNotes) { super(20, numNotes); }

FILE: solutions/java/src/atm/chainofresponsibility/NoteDispenser50.java
  class NoteDispenser50 (line 3) | public class NoteDispenser50 extends NoteDispenser{
    method NoteDispenser50 (line 4) | public NoteDispenser50(int numNotes) { super(50, numNotes); }

FILE: solutions/java/src/atm/entities/Account.java
  class Account (line 6) | public class Account {
    method Account (line 11) | public Account(String accountNumber, double balance) {
    method getAccountNumber (line 17) | public String getAccountNumber() {
    method getBalance (line 21) | public double getBalance() {
    method getCards (line 25) | public Map<String, Card> getCards() {
    method deposit (line 29) | public synchronized void deposit(double amount) {
    method withdraw (line 33) | public synchronized boolean withdraw(double amount) {

FILE: solutions/java/src/atm/entities/BankService.java
  class BankService (line 6) | public class BankService {
    method BankService (line 11) | public BankService() {
    method createAccount (line 22) | public Account createAccount(String accountNumber, double initialBalan...
    method createCard (line 28) | public Card createCard(String cardNumber, String pin) {
    method authenticate (line 34) | public boolean authenticate(Card card, String pin) {
    method getCard (line 38) | public Card getCard(String cardNumber) {
    method getBalance (line 42) | public double getBalance(Card card) {
    method withdrawMoney (line 46) | public void withdrawMoney(Card card, double amount) {
    method depositMoney (line 50) | public void depositMoney(Card card, double amount) {
    method linkCardToAccount (line 54) | public void linkCardToAccount(Card card, Account account) {

FILE: solutions/java/src/atm/entities/Card.java
  class Card (line 3) | public class Card {
    method Card (line 7) | public Card(String cardNumber, String pin) {
    method getCardNumber (line 12) | public String getCardNumber() {
    method getPin (line 16) | public String getPin() {

FILE: solutions/java/src/atm/entities/CashDispenser.java
  class CashDispenser (line 5) | public class CashDispenser {
    method CashDispenser (line 8) | public CashDispenser(DispenseChain chain) {
    method dispenseCash (line 12) | public synchronized void dispenseCash(int amount) {
    method canDispenseCash (line 16) | public synchronized boolean canDispenseCash(int amount) {

FILE: solutions/java/src/atm/enums/OperationType.java
  type OperationType (line 3) | public enum OperationType {

FILE: solutions/java/src/atm/state/ATMState.java
  type ATMState (line 6) | public interface ATMState {
    method insertCard (line 7) | void insertCard(ATMSystem atmSystem, String cardNumber);
    method enterPin (line 8) | void enterPin(ATMSystem atmSystem, String pin);
    method selectOperation (line 9) | void selectOperation(ATMSystem atmSystem, OperationType op, int... args);
    method ejectCard (line 10) | void ejectCard(ATMSystem atmSystem);

FILE: solutions/java/src/atm/state/AuthenticatedState.java
  class AuthenticatedState (line 6) | public class AuthenticatedState implements ATMState {
    method insertCard (line 7) | @Override
    method enterPin (line 12) | @Override
    method selectOperation (line 17) | @Override
    method ejectCard (line 64) | @Override

FILE: solutions/java/src/atm/state/HasCardState.java
  class HasCardState (line 6) | public class HasCardState implements ATMState {
    method insertCard (line 7) | @Override
    method enterPin (line 12) | @Override
    method selectOperation (line 26) | @Override
    method ejectCard (line 31) | @Override

FILE: solutions/java/src/atm/state/IdleState.java
  class IdleState (line 7) | public class IdleState implements ATMState {
    method insertCard (line 8) | @Override
    method enterPin (line 21) | @Override
    method selectOperation (line 26) | @Override
    method ejectCard (line 31) | @Override

FILE: solutions/java/src/carrentalsystem/Car.java
  class Car (line 3) | public class Car {
    method Car (line 11) | public Car(String make, String model, int year, String licensePlate, d...
    method getRentalPricePerDay (line 20) | public double getRentalPricePerDay() {
    method getLicensePlate (line 24) | public String getLicensePlate() {
    method getMake (line 28) | public String getMake() {
    method getModel (line 32) | public String getModel() {
    method isAvailable (line 36) | public boolean isAvailable() {
    method setAvailable (line 40) | public void setAvailable(boolean available) {

FILE: solutions/java/src/carrentalsystem/CarRentalSystem.java
  class CarRentalSystem (line 13) | public class CarRentalSystem {
    method CarRentalSystem (line 19) | private CarRentalSystem() {
    method getInstance (line 25) | public static CarRentalSystem getInstance() {
    method addCar (line 29) | public void addCar(Car car) {
    method removeCar (line 33) | public void removeCar(String licensePlate) {
    method searchCars (line 37) | public List<Car> searchCars(String make, String model, LocalDate start...
    method isCarAvailable (line 49) | private boolean isCarAvailable(Car car, LocalDate startDate, LocalDate...
    method makeReservation (line 60) | public synchronized Reservation makeReservation(Customer customer, Car...
    method cancelReservation (line 71) | public synchronized void cancelReservation(String reservationId) {
    method processPayment (line 78) | public boolean processPayment(Reservation reservation) {
    method generateReservationId (line 82) | private String generateReservationId() {

FILE: solutions/java/src/carrentalsystem/CarRentalSystemDemo.java
  class CarRentalSystemDemo (line 6) | public class CarRentalSystemDemo {
    method run (line 7) | public static void run() {

FILE: solutions/java/src/carrentalsystem/CarStatus.java
  type CarStatus (line 3) | public enum CarStatus {

FILE: solutions/java/src/carrentalsystem/CarType.java
  type CarType (line 3) | public enum CarType {

FILE: solutions/java/src/carrentalsystem/Customer.java
  class Customer (line 3) | public class Customer {
    method Customer (line 8) | public Customer(String name, String contactInfo, String driversLicense...

FILE: solutions/java/src/carrentalsystem/Reservation.java
  class Reservation (line 6) | public class Reservation {
    method Reservation (line 14) | public Reservation(String reservationId, Customer customer, Car car, L...
    method calculateTotalPrice (line 23) | private double calculateTotalPrice() {
    method getStartDate (line 28) | public LocalDate getStartDate() {
    method getEndDate (line 32) | public LocalDate getEndDate() {
    method getCar (line 36) | public Car getCar() {
    method getTotalPrice (line 40) | public double getTotalPrice() {
    method getReservationId (line 44) | public String getReservationId() {

FILE: solutions/java/src/carrentalsystem/payment/CreditCardPaymentProcessor.java
  class CreditCardPaymentProcessor (line 3) | public class CreditCardPaymentProcessor implements PaymentProcessor {
    method processPayment (line 4) | @Override

FILE: solutions/java/src/carrentalsystem/payment/PayPalPaymentProcessor.java
  class PayPalPaymentProcessor (line 3) | public class PayPalPaymentProcessor implements PaymentProcessor {
    method processPayment (line 4) | @Override

FILE: solutions/java/src/carrentalsystem/payment/PaymentProcessor.java
  type PaymentProcessor (line 3) | public interface PaymentProcessor {
    method processPayment (line 4) | boolean processPayment(double amount);

FILE: solutions/java/src/chessgame/Board.java
  class Board (line 5) | public class Board {
    method Board (line 8) | public Board() {
    method setupPieces (line 18) | private void setupPieces() {
    method getCell (line 46) | public Cell getCell(int row, int col) {
    method movePiece (line 50) | public synchronized boolean movePiece(Move move) {
    method getPiece (line 60) | public Piece getPiece(int row, int col) {
    method setPiece (line 64) | public void setPiece(int row, int col, Piece piece) {
    method isCheckmate (line 68) | public boolean isCheckmate(Color color) {
    method isStalemate (line 73) | public boolean isStalemate(Color color) {

FILE: solutions/java/src/chessgame/Cell.java
  class Cell (line 5) | public class Cell {
    method Cell (line 9) | public Cell(int row, int col) {
    method isOccupied (line 14) | public boolean isOccupied() {
    method getPiece (line 18) | public Piece getPiece() { return piece; }
    method setPiece (line 19) | public void setPiece(Piece piece) { this.piece = piece; }
    method getRow (line 21) | public int getRow() { return row; }
    method getCol (line 22) | public int getCol() { return col; }

FILE: solutions/java/src/chessgame/ChessGame.java
  class ChessGame (line 7) | public class ChessGame {
    method ChessGame (line 12) | public ChessGame() {
    method setPlayers (line 16) | public void setPlayers(String playerWhiteName, String playerBlackName) {
    method start (line 22) | public void start() {
    method switchTurn (line 44) | private void switchTurn() {
    method isGameOver (line 48) | private boolean isGameOver() {
    method getPlayerMove (line 53) | private Move getPlayerMove(Player player) {
    method displayResult (line 73) | private void displayResult() {

FILE: solutions/java/src/chessgame/ChessGameDemo.java
  class ChessGameDemo (line 3) | public class ChessGameDemo {
    method run (line 4) | public static void run() {

FILE: solutions/java/src/chessgame/Color.java
  type Color (line 3) | public enum Color {

FILE: solutions/java/src/chessgame/InvalidMoveException.java
  class InvalidMoveException (line 3) | public class InvalidMoveException extends RuntimeException {
    method InvalidMoveException (line 4) | public InvalidMoveException(final String message) {

FILE: solutions/java/src/chessgame/Move.java
  class Move (line 3) | public class Move {
    method Move (line 7) | public Move(Cell start, Cell end) {
    method getStart (line 12) | public Cell getStart() { return start; }
    method getEnd (line 14) | public Cell getEnd() { return end; }

FILE: solutions/java/src/chessgame/Player.java
  class Player (line 3) | public class Player {
    method Player (line 7) | public Player(String name, Color color) {
    method getColor (line 12) | public Color getColor() {
    method getName (line 16) | public String getName() {

FILE: solutions/java/src/chessgame/pieces/Bishop.java
  class Bishop (line 7) | public class Bishop extends Piece {
    method Bishop (line 8) | public Bishop(Color color) {
    method canMove (line 12) | @Override

FILE: solutions/java/src/chessgame/pieces/King.java
  class King (line 7) | public class King extends Piece {
    method King (line 8) | public King(Color color) {
    method canMove (line 12) | @Override

FILE: solutions/java/src/chessgame/pieces/Knight.java
  class Knight (line 7) | public class Knight extends Piece {
    method Knight (line 8) | public Knight(Color color) {
    method canMove (line 12) | @Override

FILE: solutions/java/src/chessgame/pieces/Pawn.java
  class Pawn (line 7) | public class Pawn extends Piece {
    method Pawn (line 8) | public Pawn(Color color) {
    method canMove (line 12) | @Override

FILE: solutions/java/src/chessgame/pieces/Piece.java
  class Piece (line 7) | public abstract class Piece {
    method Piece (line 10) | public Piece(Color color) {
    method canMove (line 14) | public abstract boolean canMove(Board board, Cell from, Cell to);
    method getColor (line 16) | public Color getColor() {

FILE: solutions/java/src/chessgame/pieces/Queen.java
  class Queen (line 7) | public class Queen extends Piece {
    method Queen (line 8) | public Queen(Color color) {
    method canMove (line 12) | @Override

FILE: solutions/java/src/chessgame/pieces/Rook.java
  class Rook (line 7) | public class Rook extends Piece {
    method Rook (line 8) | public Rook(Color color) {
    method canMove (line 12) | @Override

FILE: solutions/java/src/coffeevendingmachine/CoffeeVendingMachine.java
  class CoffeeVendingMachine (line 15) | public class CoffeeVendingMachine {
    method CoffeeVendingMachine (line 21) | private CoffeeVendingMachine() {
    method getInstance (line 26) | public static CoffeeVendingMachine getInstance() {
    method selectCoffee (line 31) | public void selectCoffee(CoffeeType type, List<ToppingType> toppings) {
    method insertMoney (line 50) | public void insertMoney(int amount) { state.insertMoney(this, amount); }
    method dispenseCoffee (line 51) | public void dispenseCoffee() { state.dispenseCoffee(this); }
    method cancel (line 52) | public void cancel() { state.cancel(this); }
    method setState (line 55) | public void setState(VendingMachineState state) { this.state = state; }
    method getState (line 56) | public VendingMachineState getState() { return state; }
    method setSelectedCoffee (line 57) | public void setSelectedCoffee(Coffee selectedCoffee) { this.selectedCo...
    method getSelectedCoffee (line 58) | public Coffee getSelectedCoffee() { return selectedCoffee; }
    method setMoneyInserted (line 59) | public void setMoneyInserted(int moneyInserted) { this.moneyInserted =...
    method getMoneyInserted (line 60) | public int getMoneyInserted() { return moneyInserted; }
    method reset (line 62) | public void reset() {
    method showIngredientsMap (line 67) | public Map<String, Integer> showIngredientsMap() {

FILE: solutions/java/src/coffeevendingmachine/CoffeeVendingMachineDemo.java
  class CoffeeVendingMachineDemo (line 9) | public class CoffeeVendingMachineDemo {
    method main (line 10) | public static void main(String[] args) {

FILE: solutions/java/src/coffeevendingmachine/Inventory.java
  class Inventory (line 8) | public class Inventory {
    method Inventory (line 12) | private Inventory() {
    method getInstance (line 16) | public static Inventory getInstance() {
    method addStock (line 20) | public void addStock(Ingredient ingredient, int quantity) {
    method hasIngredients (line 24) | public boolean hasIngredients(Map<Ingredient, Integer> recipe) {
    method deductIngredients (line 29) | public synchronized void deductIngredients(Map<Ingredient, Integer> re...
    method printInventory (line 38) | public void printInventory() {

FILE: solutions/java/src/coffeevendingmachine/decorator/CaramelSyrupDecorator.java
  class CaramelSyrupDecorator (line 8) | public class CaramelSyrupDecorator extends CoffeeDecorator {
    method CaramelSyrupDecorator (line 12) | public CaramelSyrupDecorator(Coffee coffee) {
    method getCoffeeType (line 16) | @Override
    method getPrice (line 21) | @Override
    method getRecipe (line 26) | @Override
    method prepare (line 34) | @Override

FILE: solutions/java/src/coffeevendingmachine/decorator/Coffee.java
  class Coffee (line 7) | public abstract class Coffee {
    method getCoffeeType (line 10) | public String getCoffeeType() {
    method prepare (line 15) | public void prepare() {
    method grindBeans (line 25) | private void grindBeans() { System.out.println("- Grinding fresh coffe...
    method brew (line 26) | private void brew() { System.out.println("- Brewing coffee with hot wa...
    method pourIntoCup (line 27) | private void pourIntoCup() { System.out.println("- Pouring into a cup....
    method addCondiments (line 30) | protected abstract void addCondiments();
    method getPrice (line 32) | public abstract int getPrice();
    method getRecipe (line 33) | public abstract Map<Ingredient, Integer> getRecipe();

FILE: solutions/java/src/coffeevendingmachine/decorator/CoffeeDecorator.java
  class CoffeeDecorator (line 7) | public abstract class CoffeeDecorator extends Coffee {
    method CoffeeDecorator (line 10) | public CoffeeDecorator(Coffee coffee) {
    method getPrice (line 16) | @Override
    method getRecipe (line 21) | @Override
    method addCondiments (line 26) | @Override
    method prepare (line 31) | @Override

FILE: solutions/java/src/coffeevendingmachine/decorator/ExtraSugarDecorator.java
  class ExtraSugarDecorator (line 8) | public class ExtraSugarDecorator extends CoffeeDecorator {
    method ExtraSugarDecorator (line 12) | public ExtraSugarDecorator(Coffee coffee) {
    method getCoffeeType (line 16) | @Override
    method getPrice (line 21) | @Override
    method getRecipe (line 26) | @Override
    method prepare (line 35) | @Override

FILE: solutions/java/src/coffeevendingmachine/enums/CoffeeType.java
  type CoffeeType (line 3) | public enum CoffeeType {

FILE: solutions/java/src/coffeevendingmachine/enums/Ingredient.java
  type Ingredient (line 3) | public enum Ingredient {

FILE: solutions/java/src/coffeevendingmachine/enums/ToppingType.java
  type ToppingType (line 3) | public enum ToppingType {

FILE: solutions/java/src/coffeevendingmachine/factory/CoffeeFactory.java
  class CoffeeFactory (line 9) | public class CoffeeFactory {
    method createCoffee (line 10) | public static Coffee createCoffee(CoffeeType type) {

FILE: solutions/java/src/coffeevendingmachine/state/OutOfIngredientState.java
  class OutOfIngredientState (line 6) | public class OutOfIngredientState implements VendingMachineState {
    method selectCoffee (line 7) | @Override
    method insertMoney (line 12) | @Override
    method dispenseCoffee (line 17) | @Override
    method cancel (line 22) | @Override

FILE: solutions/java/src/coffeevendingmachine/state/PaidState.java
  class PaidState (line 7) | public class PaidState implements VendingMachineState {
    method selectCoffee (line 8) | @Override
    method insertMoney (line 13) | @Override
    method dispenseCoffee (line 18) | @Override
    method cancel (line 41) | @Override

FILE: solutions/java/src/coffeevendingmachine/state/ReadyState.java
  class ReadyState (line 6) | public class ReadyState implements VendingMachineState {
    method selectCoffee (line 7) | @Override
    method insertMoney (line 14) | @Override
    method dispenseCoffee (line 19) | @Override
    method cancel (line 24) | @Override

FILE: solutions/java/src/coffeevendingmachine/state/SelectingState.java
  class SelectingState (line 6) | public class SelectingState implements VendingMachineState {
    method selectCoffee (line 7) | @Override
    method insertMoney (line 12) | @Override
    method dispenseCoffee (line 21) | @Override
    method cancel (line 26) | @Override public void cancel(CoffeeVendingMachine machine) {

FILE: solutions/java/src/coffeevendingmachine/state/VendingMachineState.java
  type VendingMachineState (line 6) | public interface VendingMachineState {
    method selectCoffee (line 7) | void selectCoffee(CoffeeVendingMachine machine, Coffee coffee);
    method insertMoney (line 8) | void insertMoney(CoffeeVendingMachine machine, int amount);
    method dispenseCoffee (line 9) | void dispenseCoffee(CoffeeVendingMachine machine);
    method cancel (line 10) | void cancel(CoffeeVendingMachine machine);

FILE: solutions/java/src/coffeevendingmachine/templatemethod/Cappuccino.java
  class Cappuccino (line 8) | public class Cappuccino extends Coffee {
    method Cappuccino (line 9) | public Cappuccino() {
    method addCondiments (line 13) | @Override
    method getPrice (line 18) | @Override
    method getRecipe (line 23) | @Override

FILE: solutions/java/src/coffeevendingmachine/templatemethod/Espresso.java
  class Espresso (line 8) | public class Espresso extends Coffee {
    method Espresso (line 9) | public Espresso() {
    method addCondiments (line 13) | @Override
    method getPrice (line 16) | @Override
    method getRecipe (line 21) | @Override

FILE: solutions/java/src/coffeevendingmachine/templatemethod/Latte.java
  class Latte (line 8) | public class Latte extends Coffee {
    method Latte (line 9) | public Latte() {
    method addCondiments (line 14) | @Override
    method getPrice (line 19) | @Override
    method getRecipe (line 24) | @Override

FILE: solutions/java/src/concertticketbookingsystem/Booking.java
  class Booking (line 5) | public class Booking {
    method Booking (line 13) | public Booking(String id, User user, Concert concert, List<Seat> seats) {
    method calculateTotalPrice (line 22) | private double calculateTotalPrice() {
    method confirmBooking (line 26) | public void confirmBooking() {
    method cancelBooking (line 34) | public void cancelBooking() {
    method getId (line 44) | public String getId() {
    method getUser (line 48) | public User getUser() {
    method getConcert (line 52) | public Concert getConcert() {
    method getSeats (line 56) | public List<Seat> getSeats() {
    method getTotalPrice (line 60) | public double getTotalPrice() {
    method getStatus (line 64) | public BookingStatus getStatus() {

FILE: solutions/java/src/concertticketbookingsystem/BookingStatus.java
  type BookingStatus (line 3) | public enum BookingStatus {

FILE: solutions/java/src/concertticketbookingsystem/Concert.java
  class Concert (line 6) | public class Concert {
    method Concert (line 13) | public Concert(String id, String artist, String venue, LocalDateTime d...
    method getId (line 21) | public String getId() {
    method getArtist (line 25) | public String getArtist() {
    method getVenue (line 29) | public String getVenue() {
    method getDateTime (line 33) | public LocalDateTime getDateTime() {
    method getSeats (line 37) | public List<Seat> getSeats() {

FILE: solutions/java/src/concertticketbookingsystem/ConcertTicketBookingSystem.java
  class ConcertTicketBookingSystem (line 10) | public class ConcertTicketBookingSystem {
    method ConcertTicketBookingSystem (line 16) | private ConcertTicketBookingSystem() {
    method getInstance (line 21) | public static synchronized ConcertTicketBookingSystem getInstance() {
    method addConcert (line 28) | public void addConcert(Concert concert) {
    method getConcert (line 32) | public Concert getConcert(String concertId) {
    method searchConcerts (line 36) | public List<Concert> searchConcerts(String artist, String venue, Local...
    method bookTickets (line 44) | public Booking bookTickets(User user, Concert concert, List<Seat> seat...
    method cancelBooking (line 71) | public void cancelBooking(String bookingId) {
    method processPayment (line 79) | private void processPayment(Booking booking) {
    method generateBookingId (line 84) | private String generateBookingId() {

FILE: solutions/java/src/concertticketbookingsystem/ConcertTicketBookingSystemDemo.java
  class ConcertTicketBookingSystemDemo (line 8) | public class ConcertTicketBookingSystemDemo {
    method run (line 9) | public static void run() {
    method generateSeats (line 48) | private static List<Seat> generateSeats(int numberOfSeats) {
    method selectSeats (line 59) | private static List<Seat> selectSeats(Concert concert, int numberOfSea...

FILE: solutions/java/src/concertticketbookingsystem/Seat.java
  class Seat (line 3) | public class Seat {
    method Seat (line 10) | public Seat(String id, String seatNumber, SeatType seatType, double pr...
    method book (line 18) | public synchronized void book() {
    method release (line 26) | public synchronized void release() {
    method getPrice (line 32) | public double getPrice() {
    method getId (line 36) | public String getId() {
    method getSeatNumber (line 40) | public String getSeatNumber() {
    method getSeatType (line 44) | public SeatType getSeatType() {
    method getStatus (line 48) | public SeatStatus getStatus() {

FILE: solutions/java/src/concertticketbookingsystem/SeatNotAvailableException.java
  class SeatNotAvailableException (line 3) | public class SeatNotAvailableException extends RuntimeException {
    method SeatNotAvailableException (line 4) | public SeatNotAvailableException(String message) {

FILE: solutions/java/src/concertticketbookingsystem/SeatStatus.java
  type SeatStatus (line 3) | public enum SeatStatus {

FILE: solutions/java/src/concertticketbookingsystem/SeatType.java
  type SeatType (line 3) | public enum SeatType {

FILE: solutions/java/src/concertticketbookingsystem/User.java
  class User (line 3) | public class User {
    method User (line 8) | public User(String id, String name, String email) {

FILE: solutions/java/src/courseregistrationsystem/CourseRegistrationDemo.java
  class CourseRegistrationDemo (line 11) | public class CourseRegistrationDemo {
    method main (line 12) | public static void main(String[] args) {

FILE: solutions/java/src/courseregistrationsystem/CourseRegistrationService.java
  class CourseRegistrationService (line 6) | public class CourseRegistrationService {
    method CourseRegistrationService (line 8) | public CourseRegistrationService() {
    method register (line 17) | public void register(RegistrationRequest request) throws RegistrationE...

FILE: solutions/java/src/courseregistrationsystem/CourseRegistrationSystemFacade.java
  class CourseRegistrationSystemFacade (line 8) | public class CourseRegistrationSystemFacade {
    method registerStudentForCourse (line 13) | public void registerStudentForCourse(String studentId, String offering...
    method dropStudentFromCourse (line 25) | public void dropStudentFromCourse(String studentId, String offeringId) {

FILE: solutions/java/src/courseregistrationsystem/chain/CapacityRuleHandler.java
  class CapacityRuleHandler (line 5) | public class CapacityRuleHandler extends RegistrationRuleHandler {
    method handle (line 6) | @Override

FILE: solutions/java/src/courseregistrationsystem/chain/PrerequisiteRuleHandler.java
  class PrerequisiteRuleHandler (line 8) | public class PrerequisiteRuleHandler extends RegistrationRuleHandler {
    method handle (line 9) | @Override

FILE: solutions/java/src/courseregistrationsystem/chain/RegistrationRuleHandler.java
  class RegistrationRuleHandler (line 5) | public abstract class RegistrationRuleHandler {
    method setNext (line 8) | public void setNext(RegistrationRuleHandler next) { this.next = next; }
    method handle (line 10) | public abstract void handle(RegistrationRequest request) throws Regist...
    method handleNext (line 12) | protected void handleNext(RegistrationRequest request) throws Registra...

FILE: solutions/java/src/courseregistrationsystem/chain/ScheduleConflictRuleHandler.java
  class ScheduleConflictRuleHandler (line 5) | public class ScheduleConflictRuleHandler extends RegistrationRuleHandler {
    method handle (line 6) | @Override

FILE: solutions/java/src/courseregistrationsystem/exception/RegistrationException.java
  class RegistrationException (line 3) | public class RegistrationException extends Exception {
    method RegistrationException (line 4) | public RegistrationException(String message) {

FILE: solutions/java/src/courseregistrationsystem/model/Course.java
  class Course (line 6) | public class Course {
    method Course (line 11) | public Course(String courseCode, String title) { this.courseCode = cou...
    method addPrerequisite (line 13) | public void addPrerequisite(Course course) { prerequisites.add(course); }
    method getCourseCode (line 14) | public String getCourseCode() { return courseCode; }
    method getPrerequisites (line 15) | public Set<Course> getPrerequisites() { return prerequisites; }

FILE: solutions/java/src/courseregistrationsystem/model/CourseOffering.java
  class CourseOffering (line 7) | public class CourseOffering {
    method CourseOffering (line 17) | private CourseOffering(Builder builder) {
    method addObserver (line 25) | public void addObserver(CourseOfferingObserver observer) { observers.a...
    method notifyObservers (line 26) | private void notifyObservers() { observers.forEach(o -> o.onSpotAvaila...
    method isFull (line 28) | public boolean isFull() { return registeredStudents.size() >= capacity; }
    method addStudent (line 29) | public void addStudent(Student student) { registeredStudents.add(stude...
    method addToWaitlist (line 30) | public void addToWaitlist(Student student) { waitlistedStudents.add(st...
    method dropStudent (line 32) | public void dropStudent(Student student) {
    method getNextFromWaitlist (line 41) | public Optional<Student> getNextFromWaitlist() { return Optional.ofNul...
    method getId (line 42) | public String getId() { return id; }
    method getCourse (line 43) | public Course getCourse() { return course; }
    method getTimeSlot (line 44) | public TimeSlot getTimeSlot() { return timeSlot; }
    class Builder (line 47) | public static class Builder {
      method Builder (line 49) | public Builder(String id, Course course) { this.id = id; this.course...
      method withProfessor (line 50) | public Builder withProfessor(Professor professor) { this.professor =...
      method at (line 51) | public Builder at(TimeSlot timeSlot) { this.timeSlot = timeSlot; ret...
      method withCapacity (line 52) | public Builder withCapacity(int capacity) { this.capacity = capacity...
      method build (line 53) | public CourseOffering build() { return new CourseOffering(this); }

FILE: solutions/java/src/courseregistrationsystem/model/Student.java
  class Student (line 6) | public class Student {
    method Student (line 12) | public Student(String id, String name) { this.id = id; this.name = nam...
    method getId (line 14) | public String getId() { return id; }
    method getName (line 15) | public String getName() { return name; }
    method getCompletedCourses (line 16) | public Set<Course> getCompletedCourses() { return completedCourses; }
    method getRegisteredOfferings (line 17) | public Set<CourseOffering> getRegisteredOfferings() { return registere...
    method addCompletedCourse (line 18) | public void addCompletedCourse(Course course) { completedCourses.add(c...
    method enroll (line 19) | public void enroll(CourseOffering offering) { registeredOfferings.add(...
    method drop (line 20) | public void drop(CourseOffering offering) { registeredOfferings.remove...

FILE: solutions/java/src/courseregistrationsystem/model/TimeSlot.java
  method overlaps (line 7) | public boolean overlaps(TimeSlot other) {

FILE: solutions/java/src/courseregistrationsystem/observer/CourseOfferingObserver.java
  type CourseOfferingObserver (line 5) | public interface CourseOfferingObserver {
    method onSpotAvailable (line 6) | void onSpotAvailable(CourseOffering offering);

FILE: solutions/java/src/courseregistrationsystem/observer/WaitlistManager.java
  class WaitlistManager (line 8) | public class WaitlistManager implements CourseOfferingObserver {
    method getInstance (line 11) | public static WaitlistManager getInstance() { return INSTANCE; }
    method WaitlistManager (line 12) | private WaitlistManager() {}
    method onSpotAvailable (line 14) | @Override

FILE: solutions/java/src/courseregistrationsystem/repository/CourseRepository.java
  class CourseRepository (line 10) | public class CourseRepository {
    method getInstance (line 15) | public static CourseRepository getInstance() { return INSTANCE; }
    method saveCourse (line 16) | public void saveCourse(Course c) { courses.put(c.getCourseCode(), c); }
    method saveOffering (line 17) | public void saveOffering(CourseOffering o) { offerings.put(o.getId(), ...
    method findOfferingById (line 18) | public Optional<CourseOffering> findOfferingById(String id) { return O...

FILE: solutions/java/src/courseregistrationsystem/repository/StudentRepository.java
  class StudentRepository (line 9) | public class StudentRepository {
    method getInstance (line 13) | public static StudentRepository getInstance() { return INSTANCE; }
    method save (line 14) | public void save(Student s) { students.put(s.getId(), s); }
    method findById (line 15) | public Optional<Student> findById(String id) { return Optional.ofNulla...

FILE: solutions/java/src/cricinfo/CommentaryManager.java
  class CommentaryManager (line 12) | public class CommentaryManager {
    method CommentaryManager (line 18) | private CommentaryManager() {
    method getInstance (line 22) | public static CommentaryManager getInstance() {
    method initializeTemplates (line 33) | private void initializeTemplates() {
    method generateCommentary (line 92) | public String generateCommentary(Ball ball) {
    method getEventKey (line 107) | private String getEventKey(Ball ball) {

FILE: solutions/java/src/cricinfo/CricInfoService.java
  class CricInfoService (line 17) | public class CricInfoService {
    method CricInfoService (line 22) | private CricInfoService() {
    method getInstance (line 27) | public static CricInfoService getInstance() {
    method createMatch (line 38) | public Match createMatch(Team team1, Team team2, MatchFormatStrategy f...
    method startMatch (line 46) | public void startMatch(String matchId) {
    method processBallUpdate (line 53) | public void processBallUpdate(String matchId, Ball ball) {
    method startNextInnings (line 57) | public void startNextInnings(String matchId) {
    method subscribeToMatch (line 61) | public void subscribeToMatch(String matchId, MatchObserver observer) {
    method endMatch (line 65) | public void endMatch(String matchId) {
    method addPlayer (line 72) | public Player addPlayer(String playerId, String playerName, PlayerRole...

FILE: solutions/java/src/cricinfo/CricinfoDemo.java
  class CricinfoDemo (line 13) | public class CricinfoDemo {
    method main (line 14) | public static void main(String[] args) {

FILE: solutions/java/src/cricinfo/entity/Ball.java
  class Ball (line 6) | public class Ball {
    method Ball (line 15) | private Ball(BallBuilder builder) {
    method isWicket (line 25) | public boolean isWicket() { return wicket != null; }
    method isBoundary (line 26) | public boolean isBoundary() { return runsScored == 4 || runsScored == ...
    method getCommentary (line 27) | public String getCommentary() { return commentary; }
    method getRunsScored (line 28) | public int getRunsScored() { return runsScored; }
    method getFacedBy (line 29) | public Player getFacedBy() { return facedBy; }
    method getBowledBy (line 30) | public Player getBowledBy() { return bowledBy; }
    method getWicket (line 31) | public Wicket getWicket() { return wicket; }
    method getExtraType (line 33) | public ExtraType getExtraType() {
    class BallBuilder (line 38) | public static class BallBuilder {
      method withBallNumber (line 47) | public BallBuilder withBallNumber(int ballNumber) { this.ballNumber ...
      method bowledBy (line 48) | public BallBuilder bowledBy(Player bowler) { this.bowledBy = bowler;...
      method facedBy (line 49) | public BallBuilder facedBy(Player batsman) { this.facedBy = batsman;...
      method withRuns (line 50) | public BallBuilder withRuns(int runs) { this.runsScored = runs; retu...
      method withWicket (line 51) | public BallBuilder withWicket(Wicket wicket) { this.wicket = wicket;...
      method withExtraType (line 52) | public BallBuilder withExtraType(ExtraType extra) { this.extraType =...
      method withCommentary (line 53) | public BallBuilder withCommentary(String commentary) { this.commenta...
      method build (line 55) | public Ball build() {

FILE: solutions/java/src/cricinfo/entity/Innings.java
  class Innings (line 8) | public class Innings {
    method Innings (line 16) | public Innings(Team battingTeam, Team bowlingTeam) {
    method addBall (line 31) | public void addBall(Ball ball) {
    method printPlayerStats (line 50) | public void printPlayerStats() {
    method getScore (line 61) | public int getScore() { return score; }
    method getWickets (line 62) | public int getWickets() { return wickets; }
    method getBattingTeam (line 63) | public Team getBattingTeam() { return battingTeam; }
    method getOvers (line 65) | public double getOvers() {

FILE: solutions/java/src/cricinfo/entity/Match.java
  class Match (line 12) | public class Match {
    method Match (line 24) | public Match(String id, Team team1, Team team2, MatchFormatStrategy fo...
    method processBall (line 36) | public void processBall(Ball ball) {
    method startNextInnings (line 40) | public void startNextInnings() {
    method setState (line 44) | public void setState(MatchState state) { this.currentState = state; }
    method setCurrentStatus (line 46) | public void setCurrentStatus(MatchStatus status) { this.currentStatus ...
    method setWinner (line 48) | public void setWinner(Team winner) {
    method setResultMessage (line 52) | public void setResultMessage(String resultMessage) {
    method createNewInnings (line 56) | public void createNewInnings() {
    method addObserver (line 67) | public void addObserver(MatchObserver observer) { observers.add(observ...
    method removeObserver (line 68) | public void removeObserver(MatchObserver observer) { observers.remove(...
    method notifyObservers (line 69) | public void notifyObservers(Ball ball) {
    method getCurrentInnings (line 75) | public Innings getCurrentInnings() { return innings.get(innings.size()...
    method getTeam1 (line 76) | public Team getTeam1() { return team1; }
    method getTeam2 (line 77) | public Team getTeam2() { return team2; }
    method getWinner (line 78) | public Team getWinner() { return winner; }
    method getResultMessage (line 79) | public String getResultMessage() { return resultMessage; }
    method getInnings (line 80) | public List<Innings> getInnings() { return innings; }
    method getId (line 81) | public String getId() { return id; }
    method getCurrentStatus (line 82) | public MatchStatus getCurrentStatus() { return currentStatus; }
    method getFormatStrategy (line 84) | public MatchFormatStrategy getFormatStrategy() {

FILE: solutions/java/src/cricinfo/entity/Player.java
  class Player (line 5) | public class Player {
    method Player (line 11) | public Player(String id, String name, PlayerRole role) {
    method getId (line 18) | public String getId() {
    method getName (line 22) | public String getName() { return name; }
    method getStats (line 24) | public PlayerStats getStats() {

FILE: solutions/java/src/cricinfo/entity/PlayerStats.java
  class PlayerStats (line 3) | public class PlayerStats {
    method PlayerStats (line 8) | public PlayerStats() {
    method updateRuns (line 13) | public void updateRuns(int runScored) {
    method incrementBallsPlayed (line 17) | public void incrementBallsPlayed() {
    method incrementWickets (line 21) | public void incrementWickets() {
    method getRuns (line 25) | public int getRuns() { return runs; }
    method getWickets (line 26) | public int getWickets() { return wickets; }
    method getBallsPlayed (line 27) | public int getBallsPlayed() { return ballsPlayed; }
    method toString (line 29) | @Override

FILE: solutions/java/src/cricinfo/entity/Team.java
  class Team (line 5) | public class Team {
    method Team (line 10) | public Team(String id, String name, List<Player> players) {
    method getName (line 15) | public String getName() { return name; }
    method getPlayers (line 17) | public List<Player> getPlayers() { return players; }

FILE: solutions/java/src/cricinfo/entity/Wicket.java
  class Wicket (line 5) | public class Wicket {
    method Wicket (line 11) | private Wicket(Builder builder) {
    method getWicketType (line 18) | public WicketType getWicketType() { return wicketType; }
    method getPlayerOut (line 19) | public Player getPlayerOut() { return playerOut; }
    method getCaughtBy (line 20) | public Player getCaughtBy() { return caughtBy; }
    method getRunoutBy (line 21) | public Player getRunoutBy() { return runoutBy; }
    class Builder (line 23) | public static class Builder {
      method Builder (line 32) | public Builder(WicketType wicketType, Player playerOut) {
      method caughtBy (line 37) | public Builder caughtBy(Player player) {
      method runoutBy (line 42) | public Builder runoutBy(Player player) {
      method build (line 47) | public Wicket build() {

FILE: solutions/java/src/cricinfo/enums/ExtraType.java
  type ExtraType (line 3) | public enum ExtraType {

FILE: solutions/java/src/cricinfo/enums/MatchStatus.java
  type MatchStatus (line 3) | public enum MatchStatus {

FILE: solutions/java/src/cricinfo/enums/PlayerRole.java
  type PlayerRole (line 3) | public enum PlayerRole {

FILE: solutions/java/src/cricinfo/enums/WicketType.java
  type WicketType (line 3) | public enum WicketType {

FILE: solutions/java/src/cricinfo/observer/CommentaryDisplay.java
  class CommentaryDisplay (line 7) | public class CommentaryDisplay implements MatchObserver {
    method update (line 8) | @Override

FILE: solutions/java/src/cricinfo/observer/MatchObserver.java
  type MatchObserver (line 6) | public interface MatchObserver {
    method update (line 7) | void update(Match match, Ball lastBall);

FILE: solutions/java/src/cricinfo/observer/ScorecardDisplay.java
  class ScorecardDisplay (line 8) | public class ScorecardDisplay implements MatchObserver {
    method update (line 9) | @Override

FILE: solutions/java/src/cricinfo/observer/UserNotifier.java
  class UserNotifier (line 7) | public class UserNotifier implements MatchObserver {
    method update (line 8) | @Override

FILE: solutions/java/src/cricinfo/repository/MatchRepository.java
  class MatchRepository (line 9) | public class MatchRepository {
    method save (line 12) | public void save(Match match) {
    method findById (line 16) | public Optional<Match> findById(String id) {

FILE: solutions/java/src/cricinfo/repository/PlayerRepository.java
  class PlayerRepository (line 9) | public class PlayerRepository {
    method save (line 12) | public void save(Player player) { players.put(player.getId(), player); }
    method findById (line 14) | public Optional<Player> findById(String id) {

FILE: solutions/java/src/cricinfo/state/FinishedState.java
  class FinishedState (line 6) | public class FinishedState implements MatchState {
    method processBall (line 7) | @Override

FILE: solutions/java/src/cricinfo/state/InBreakState.java
  class InBreakState (line 7) | public class InBreakState implements MatchState {
    method processBall (line 8) | @Override
    method startNextInnings (line 13) | @Override

FILE: solutions/java/src/cricinfo/state/LiveState.java
  class LiveState (line 9) | public class LiveState implements MatchState {
    method processBall (line 10) | @Override
    method checkForMatchEnd (line 20) | private void checkForMatchEnd(Match match) {
    method declareWinner (line 61) | private void declareWinner(Match match, Team winningTeam, String messa...
    method isInningsOver (line 72) | private boolean isInningsOver(Match match) {

FILE: solutions/java/src/cricinfo/state/MatchState.java
  type MatchState (line 6) | public interface MatchState {
    method processBall (line 7) | void processBall(Match match, Ball ball);
    method startNextInnings (line 9) | default void startNextInnings(Match match) {

FILE: solutions/java/src/cricinfo/state/ScheduledState.java
  class ScheduledState (line 6) | public class ScheduledState implements MatchState {
    method processBall (line 7) | @Override

FILE: solutions/java/src/cricinfo/strategy/MatchFormatStrategy.java
  type MatchFormatStrategy (line 3) | public interface MatchFormatStrategy {
    method getTotalInnings (line 4) | int getTotalInnings();
    method getTotalOvers (line 5) | int getTotalOvers();
    method getFormatName (line 6) | String getFormatName();

FILE: solutions/java/src/cricinfo/strategy/ODIFormatStrategy.java
  class ODIFormatStrategy (line 3) | public class ODIFormatStrategy implements MatchFormatStrategy {
    method getTotalInnings (line 4) | @Override
    method getTotalOvers (line 7) | @Override
    method getFormatName (line 10) | @Override

FILE: solutions/java/src/cricinfo/strategy/T20FormatStrategy.java
  class T20FormatStrategy (line 3) | public class T20FormatStrategy implements MatchFormatStrategy {
    method getTotalInnings (line 4) | @Override
    method getTotalOvers (line 7) | @Override
    method getFormatName (line 10) | @Override

FILE: solutions/java/src/digitalwalletservice/Account.java
  class Account (line 7) | public class Account {
    method Account (line 15) | public Account(String id, User user, String accountNumber, Currency cu...
    method deposit (line 24) | public synchronized void deposit(BigDecimal amount) {
    method withdraw (line 28) | public synchronized void withdraw(BigDecimal amount) {
    method addTransaction (line 36) | public synchronized void addTransaction(Transaction transaction) {
    method getId (line 40) | public String getId() {
    method getUser (line 44) | public User getUser() {
    method getAccountNumber (line 48) | public String getAccountNumber() {
    method getCurrency (line 52) | public Currency getCurrency() {
    method getBalance (line 56) | public BigDecimal getBalance() {
    method getTransactions (line 60) | public List<Transaction> getTransactions() {

FILE: solutions/java/src/digitalwalletservice/BankAccount.java
  class BankAccount (line 5) | public class BankAccount extends PaymentMethod {
    method BankAccount (line 9) | public BankAccount(String id, User user, String accountNumber, String ...
    method processPayment (line 15) | @Override

FILE: solutions/java/src/digitalwalletservice/CreditCard.java
  class CreditCard (line 5) | public class CreditCard extends PaymentMethod {
    method CreditCard (line 10) | public CreditCard(String id, User user, String cardNumber, String expi...
    method processPayment (line 17) | @Override

FILE: solutions/java/src/digitalwalletservice/Currency.java
  type Currency (line 3) | public enum Currency {

FILE: solutions/java/src/digitalwalletservice/CurrencyConverter.java
  class CurrencyConverter (line 8) | public class CurrencyConverter {
    method convert (line 20) | public static BigDecimal convert(BigDecimal amount, Currency sourceCur...

FILE: solutions/java/src/digitalwalletservice/DigitalWallet.java
  class DigitalWallet (line 9) | public class DigitalWallet {
    method DigitalWallet (line 15) | private DigitalWallet() {
    method getInstance (line 21) | public static synchronized DigitalWallet getInstance() {
    method createUser (line 28) | public void createUser(User user) {
    method getUser (line 32) | public User getUser(String userId) {
    method createAccount (line 36) | public void createAccount(Account account) {
    method getAccount (line 41) | public Account getAccount(String accountId) {
    method addPaymentMethod (line 45) | public void addPaymentMethod(PaymentMethod paymentMethod) {
    method getPaymentMethod (line 49) | public PaymentMethod getPaymentMethod(String paymentMethodId) {
    method transferFunds (line 53) | public synchronized void transferFunds(Account sourceAccount, Account ...
    method getTransactionHistory (line 70) | public List<Transaction> getTransactionHistory(Account account) {
    method generateTransactionId (line 74) | private String generateTransactionId() {

FILE: solutions/java/src/digitalwalletservice/DigitalWalletDemo.java
  class DigitalWalletDemo (line 6) | public class DigitalWalletDemo {
    method run (line 7) | public static void run() {

FILE: solutions/java/src/digitalwalletservice/InsufficientFundsException.java
  class InsufficientFundsException (line 3) | public class InsufficientFundsException extends RuntimeException {
    method InsufficientFundsException (line 4) | public InsufficientFundsException(String message) {

FILE: solutions/java/src/digitalwalletservice/PaymentMethod.java
  class PaymentMethod (line 5) | public abstract class PaymentMethod {
    method PaymentMethod (line 9) | public PaymentMethod(String id, User user) {
    method processPayment (line 14) | public abstract boolean processPayment(BigDecimal amount, Currency cur...
    method getId (line 16) | public String getId() {
    method getUser (line 20) | public User getUser() {

FILE: solutions/java/src/elevatorsystem/Elevator.java
  class Elevator (line 14) | public class Elevator implements Runnable {
    method Elevator (line 26) | public Elevator(int id) {
    method addObserver (line 35) | public void addObserver(ElevatorObserver observer) {
    method notifyObservers (line 40) | public void notifyObservers() {
    method setState (line 47) | public void setState(ElevatorState state) {
    method move (line 52) | public void move() {
    method addRequest (line 57) | public synchronized void addRequest(Request request) {
    method getId (line 63) | public int getId() { return id; }
    method getCurrentFloor (line 64) | public int getCurrentFloor() { return currentFloor.get(); }
    method setCurrentFloor (line 66) | public void setCurrentFloor(int floor) {
    method getDirection (line 71) | public Direction getDirection() { return state.getDirection(); }
    method getUpRequests (line 72) | public TreeSet<Integer> getUpRequests() { return upRequests; }
    method getDownRequests (line 73) | public TreeSet<Integer> getDownRequests() { return downRequests; }
    method isRunning (line 74) | public boolean isRunning() { return isRunning; }
    method stopElevator (line 75) | public void stopElevator() { this.isRunning = false; }
    method run (line 77) | @Override

FILE: solutions/java/src/elevatorsystem/ElevatorSystem.java
  class ElevatorSystem (line 18) | public class ElevatorSystem {
    method ElevatorSystem (line 25) | private ElevatorSystem(int numElevators) {
    method getInstance (line 41) | public static synchronized ElevatorSystem getInstance(int numElevators) {
    method start (line 48) | public void start() {
    method requestElevator (line 57) | public void requestElevator(int floor, Direction direction) {
    method selectFloor (line 72) | public void selectFloor(int elevatorId, int destinationFloor) {
    method shutdown (line 84) | public void shutdown() {

FILE: solutions/java/src/elevatorsystem/ElevatorSystemDemo.java
  class ElevatorSystemDemo (line 5) | public class ElevatorSystemDemo {
    method main (line 6) | public static void main(String[] args) throws InterruptedException {

FILE: solutions/java/src/elevatorsystem/enums/Direction.java
  type Direction (line 3) | public enum Direction {

FILE: solutions/java/src/elevatorsystem/enums/RequestSource.java
  type RequestSource (line 3) | public enum RequestSource {

FILE: solutions/java/src/elevatorsystem/models/Request.java
  class Request (line 6) | public class Request {
    method Request (line 11) | public Request(int targetFloor, Direction direction, RequestSource sou...
    method getTargetFloor (line 17) | public int getTargetFloor() {
    method getDirection (line 21) | public Direction getDirection() {
    method getSource (line 25) | public RequestSource getSource() {
    method toString (line 29) | @Override

FILE: solutions/java/src/elevatorsystem/observer/ElevatorDisplay.java
  class ElevatorDisplay (line 5) | public class ElevatorDisplay implements ElevatorObserver {
    method update (line 6) | @Override

FILE: solutions/java/src/elevatorsystem/observer/ElevatorObserver.java
  type ElevatorObserver (line 5) | public interface ElevatorObserver {
    method update (line 6) | void update(Elevator elevator);

FILE: solutions/java/src/elevatorsystem/state/ElevatorState.java
  type ElevatorState (line 7) | public interface ElevatorState {
    method move (line 8) | void move(Elevator elevator);
    method addRequest (line 9) | void addRequest(Elevator elevator, Request request);
    method getDirection (line 10) | Direction getDirection();

FILE: solutions/java/src/elevatorsystem/state/IdleState.java
  class IdleState (line 7) | public class IdleState implements ElevatorState {
    method move (line 8) | @Override
    method addRequest (line 18) | @Override
    method getDirection (line 28) | @Override

FILE: solutions/java/src/elevatorsystem/state/MovingDownState.java
  class MovingDownState (line 8) | public class MovingDownState implements ElevatorState {
    method move (line 9) | @Override
    method addRequest (line 29) | @Override
    method getDirection (line 49) | @Override

FILE: solutions/java/src/elevatorsystem/state/MovingUpState.java
  class MovingUpState (line 8) | public class MovingUpState implements ElevatorState {
    method move (line 9) | @Override
    method addRequest (line 29) | @Override
    method getDirection (line 49) | @Override

FILE: solutions/java/src/elevatorsystem/strategy/ElevatorSelectionStrategy.java
  type ElevatorSelectionStrategy (line 9) | public interface ElevatorSelectionStrategy {
    method selectElevator (line 10) | Optional<Elevator> selectElevator(List<Elevator> elevators, Request re...

FILE: solutions/java/src/elevatorsystem/strategy/NearestElevatorStrategy.java
  class NearestElevatorStrategy (line 10) | public class NearestElevatorStrategy implements ElevatorSelectionStrategy {
    method selectElevator (line 11) | @Override
    method isSuitable (line 28) | private boolean isSuitable(Elevator elevator, Request request) {

FILE: solutions/java/src/filedirectory/AbstractNode.java
  class AbstractNode (line 6) | public abstract class AbstractNode {
    method AbstractNode (line 10) | public AbstractNode(String name) {
    method getName (line 15) | public String getName() {
    method getCreatedAt (line 19) | public Date getCreatedAt() {

FILE: solutions/java/src/filedirectory/DirectoryNode.java
  class DirectoryNode (line 6) | public class DirectoryNode extends AbstractNode {
    method DirectoryNode (line 9) | public DirectoryNode(String name) {
    method addNode (line 14) | public void addNode(AbstractNode node) {
    method getChildren (line 18) | public List<AbstractNode> getChildren() {
    method getNode (line 22) | public AbstractNode getNode(String name) {

FILE: solutions/java/src/filedirectory/FileNode.java
  class FileNode (line 4) | public class FileNode extends AbstractNode {
    method FileNode (line 8) | public FileNode(String name) {
    method appendContent (line 14) | public void appendContent(String newContent) {
    method readContent (line 19) | public String readContent() {
    method getSize (line 23) | public int getSize() {

FILE: solutions/java/src/filedirectory/FileSystem.java
  class FileSystem (line 7) | public class FileSystem {
    method FileSystem (line 10) | public FileSystem() {
    method traverse (line 14) | private DirectoryNode traverse(String path, boolean createMissingDirs) {
    method mkdir (line 31) | public void mkdir(String path) {
    method addFile (line 35) | public void addFile(String filePath, String content) {
    method searchNodes (line 47) | public List<AbstractNode> searchNodes(String directoryPath, NodeSearch...

FILE: solutions/java/src/filedirectory/FileSystemDemo.java
  class FileSystemDemo (line 9) | public class FileSystemDemo {
    method main (line 10) | public static void main(String[] args) {

FILE: solutions/java/src/filedirectory/chainofresponsibility/FileSizeFilter.java
  class FileSizeFilter (line 9) | public class FileSizeFilter implements NodeFilter {
    method apply (line 10) | @Override

FILE: solutions/java/src/filedirectory/chainofresponsibility/FilenameFilter.java
  class FilenameFilter (line 9) | public class FilenameFilter implements NodeFilter {
    method apply (line 10) | @Override

FILE: solutions/java/src/filedirectory/chainofresponsibility/NodeFilter.java
  type NodeFilter (line 7) | public interface NodeFilter {
    method apply (line 8) | boolean apply(AbstractNode node, Map<String, Object> params);

FILE: solutions/java/src/filedirectory/chainofresponsibility/NodeFilterChain.java
  class NodeFilterChain (line 8) | public class NodeFilterChain {
    method NodeFilterChain (line 11) | public NodeFilterChain() {
    method addFilter (line 15) | public void addFilter(NodeFilter filter) {
    method applyFilters (line 19) | public boolean applyFilters(AbstractNode node, Map<String, Object> par...

FILE: solutions/java/src/filedirectory/strategy/FilenameAndSizeSearchStrategy.java
  class FilenameAndSizeSearchStrategy (line 10) | public class FilenameAndSizeSearchStrategy implements NodeSearchStrategy {
    method FilenameAndSizeSearchStrategy (line 13) | public FilenameAndSizeSearchStrategy() {
    method search (line 19) | @Override
    method searchRecursive (line 26) | private void searchRecursive(DirectoryNode dir, Map<String, Object> pa...

FILE: solutions/java/src/filedirectory/strategy/NodeSearchStrategy.java
  type NodeSearchStrategy (line 9) | public // Search strategy interface
    method search (line 11) | List<AbstractNode> search(DirectoryNode directory, Map<String, Object>...

FILE: solutions/java/src/fooddeliveryservice/FoodDeliveryService.java
  class FoodDeliveryService (line 16) | public class FoodDeliveryService {
    method FoodDeliveryService (line 24) | private FoodDeliveryService() {}
    method getInstance (line 26) | public static FoodDeliveryService getInstance() {
    method setAssignmentStrategy (line 35) | public void setAssignmentStrategy(DeliveryAssignmentStrategy assignmen...
    method registerCustomer (line 40) | public Customer registerCustomer(String name, String phone, Address ad...
    method registerRestaurant (line 46) | public Restaurant registerRestaurant(String name, Address address) {
    method registerDeliveryAgent (line 52) | public DeliveryAgent registerDeliveryAgent(String name, String phone, ...
    method placeOrder (line 58) | public Order placeOrder(String customerId, String restaurantId, List<O...
    method updateOrderStatus (line 72) | public void updateOrderStatus(String orderId, OrderStatus newStatus) {
    method cancelOrder (line 85) | public void cancelOrder(String orderId) {
    method assignDelivery (line 100) | private void assignDelivery(Order order) {
    method searchRestaurants (line 116) | public List<Restaurant> searchRestaurants(List<RestaurantSearchStrateg...
    method getRestaurantMenu (line 129) | public Menu getRestaurantMenu(String restaurantId) {

FILE: solutions/java/src/fooddeliveryservice/FoodDeliveryServiceDemo.java
  class FoodDeliveryServiceDemo (line 14) | public class FoodDeliveryServiceDemo {
    method main (line 15) | public static void main(String[] args) {

FILE: solutions/java/src/fooddeliveryservice/entity/Address.java
  class Address (line 3) | public class Address {
    method Address (line 10) | public Address(String street, String city, String zipCode, double lati...
    method getCity (line 18) | public String getCity() {
    method distanceTo (line 22) | public double distanceTo(Address other) {
    method toString (line 28) | @Override

FILE: solutions/java/src/fooddeliveryservice/entity/Customer.java
  class Customer (line 8) | public class Customer extends User {
    method Customer (line 12) | public Customer(String name, String phone, Address address) {
    method addOrderToHistory (line 17) | public void addOrderToHistory(Order order) { this.orderHistory.add(ord...
    method getAddress (line 19) | public Address getAddress() {
    method onUpdate (line 23) | @Override public void onUpdate(Order order) {

FILE: solutions/java/src/fooddeliveryservice/entity/DeliveryAgent.java
  class DeliveryAgent (line 7) | public class DeliveryAgent extends User {
    method DeliveryAgent (line 11) | public DeliveryAgent(String name, String phone, Address currentLocatio...
    method setAvailable (line 16) | public void setAvailable(boolean available) {
    method isAvailable (line 20) | public synchronized boolean isAvailable() {
    method setCurrentLocation (line 24) | public void setCurrentLocation(Address currentLocation) { this.current...
    method getCurrentLocation (line 26) | public Address getCurrentLocation() { return currentLocation; }
    method onUpdate (line 28) | @Override public void onUpdate(Order order) {

FILE: solutions/java/src/fooddeliveryservice/entity/Menu.java
  class Menu (line 6) | public class Menu {
    method addItem (line 9) | public void addItem(MenuItem item) {
    method getItem (line 13) | public MenuItem getItem(String id) { return items.get(id); }
    method getItems (line 15) | public Map<String, MenuItem> getItems() { return items; }

FILE: solutions/java/src/fooddeliveryservice/entity/MenuItem.java
  class MenuItem (line 3) | public class MenuItem {
    method MenuItem (line 9) | public MenuItem(String id, String name, double price) {
    method getId (line 16) | public String getId() {
    method setAvailable (line 20) | public void setAvailable(boolean available) {
    method getName (line 24) | public String getName() {
    method getPrice (line 28) | public double getPrice() {
    method getMenuItem (line 32) | public String getMenuItem() {

FILE: solutions/java/src/fooddeliveryservice/entity/Restaurant.java
  class Restaurant (line 8) | public class Restaurant implements OrderObserver {
    method Restaurant (line 14) | public Restaurant(String name, Address address) {
    method addToMenu (line 20) | public void addToMenu(MenuItem item) { this.menu.addItem(item); }
    method getId (line 22) | public String getId() { return id; }
    method getName (line 23) | public String getName() { return name; }
    method getAddress (line 24) | public Address getAddress() { return address; }
    method getMenu (line 25) | public Menu getMenu() { return menu; }
    method onUpdate (line 27) | @Override public void onUpdate(Order order) {

FILE: solutions/java/src/fooddeliveryservice/entity/User.java
  class User (line 7) | public abstract class User implements OrderObserver {
    method User (line 12) | public User(String name, String phone) {
    method getId (line 18) | public String getId() { return id; }
    method getName (line 19) | public String getName() { return name; }

FILE: solutions/java/src/fooddeliveryservice/observer/OrderObserver.java
  type OrderObserver (line 5) | public interface OrderObserver {
    method onUpdate (line 6) | void onUpdate(Order order);

FILE: solutions/java/src/fooddeliveryservice/order/Order.java
  class Order (line 12) | public class Order {
    method Order (line 21) | public Order(Customer customer, Restaurant restaurant, List<OrderItem>...
    method addObserver (line 31) | public void addObserver(OrderObserver observer) { observers.add(observ...
    method notifyObservers (line 32) | private void notifyObservers() { observers.forEach(o -> o.onUpdate(thi...
    method setStatus (line 34) | public void setStatus(OrderStatus newStatus) {
    method cancel (line 41) | public boolean cancel() {
    method assignDeliveryAgent (line 50) | public void assignDeliveryAgent(DeliveryAgent agent) {
    method getId (line 57) | public String getId() { return id; }
    method getStatus (line 58) | public OrderStatus getStatus() { return status; }
    method getCustomer (line 59) | public Customer getCustomer() { return customer; }
    method getRestaurant (line 60) | public Restaurant getRestaurant() { return restaurant; }
    method getDeliveryAgent (line 61) | public DeliveryAgent getDeliveryAgent() { return deliveryAgent; }

FILE: solutions/java/src/fooddeliveryservice/order/OrderItem.java
  class OrderItem (line 5) | public class OrderItem {
    method OrderItem (line 9) | public OrderItem(MenuItem item, int quantity) {
    method getItem (line 14) | public MenuItem getItem() { return item; }
    method getQuantity (line 15) | public int getQuantity() { return quantity; }

FILE: solutions/java/src/fooddeliveryservice/order/OrderStatus.java
  type OrderStatus (line 3) | public enum OrderStatus {

FILE: solutions/java/src/fooddeliveryservice/search/RestaurantSearchStrategy.java
  type RestaurantSearchStrategy (line 7) | public interface RestaurantSearchStrategy {
    method filter (line 8) | List<Restaurant> filter(List<Restaurant> allRestaurants);

FILE: solutions/java/src/fooddeliveryservice/search/SearchByCityStrategy.java
  class SearchByCityStrategy (line 8) | public class SearchByCityStrategy implements RestaurantSearchStrategy {
    method SearchByCityStrategy (line 11) | public SearchByCityStrategy(String city) {
    method filter (line 15) | @Override

FILE: solutions/java/src/fooddeliveryservice/search/SearchByMenuKeywordStrategy.java
  class SearchByMenuKeywordStrategy (line 8) | public class SearchByMenuKeywordStrategy implements RestaurantSearchStra...
    method SearchByMenuKeywordStrategy (line 11) | public SearchByMenuKeywordStrategy(String keyword) {
    method filter (line 15) | @Override

FILE: solutions/java/src/fooddeliveryservice/search/SearchByProximityStrategy.java
  class SearchByProximityStrategy (line 10) | public class SearchByProximityStrategy implements RestaurantSearchStrate...
    method SearchByProximityStrategy (line 14) | public SearchByProximityStrategy(Address userLocation, double maxDista...
    method filter (line 19) | @Override

FILE: solutions/java/src/fooddeliveryservice/strategy/DeliveryAssignmentStrategy.java
  type DeliveryAssignmentStrategy (line 9) | public interface DeliveryAssignmentStrategy {
    method findAgent (line 10) | Optional<DeliveryAgent> findAgent(Order order, List<DeliveryAgent> age...

FILE: solutions/java/src/fooddeliveryservice/strategy/NearestAvailableAgentStrategy.java
  class NearestAvailableAgentStrategy (line 11) | public class NearestAvailableAgentStrategy implements DeliveryAssignment...
    method findAgent (line 12) | @Override
    method calculateTotalDistance (line 23) | private double calculateTotalDistance(DeliveryAgent agent, Address res...

FILE: solutions/java/src/hotelmanagementsystem/BookingService.java
  class BookingService (line 13) | public class BookingService {
    method addObserver (line 17) | public void addObserver(BookingObserver observer) {
    method removeObserver (line 21) | public void removeObserver(BookingObserver observer) {
    method createBooking (line 25) | public Booking createBooking(Guest guest, Room room, LocalDate startDa...
    method notifyObservers (line 37) | private void notifyObservers(Booking booking) {

FILE: solutions/java/src/hotelmanagementsystem/HotelManagementDemo.java
  class HotelManagementDemo (line 13) | public class HotelManagementDemo {
    method main (line 14) | public static void main(String[] args) {

FILE: solutions/java/src/hotelmanagementsystem/HotelManagerFacade.java
  class HotelManagerFacade (line 21) | public class HotelManagerFacade {
    method HotelManagerFacade (line 26) | public HotelManagerFacade(RoomService roomService, BookingService book...
    method bookRoom (line 32) | public Booking bookRoom(Guest guest, RoomType type, RoomStyle style, L...
    method checkIn (line 68) | public void checkIn(String bookingId) {
    method checkOut (line 74) | public void checkOut(String roomNumber) {

FILE: solutions/java/src/hotelmanagementsystem/PaymentService.java
  class PaymentService (line 3) | public class PaymentService {
    method processPayment (line 4) | public boolean processPayment(double amount) {

FILE: solutions/java/src/hotelmanagementsystem/RoomService.java
  class RoomService (line 10) | public class RoomService {
    method addRoom (line 13) | public void addRoom(Room room) {
    method findRooms (line 17) | public List<Room> findRooms(Specification<Room> spec) {
    method findRoomByNumber (line 23) | public Room findRoomByNumber(String roomNumber) {

FILE: solutions/java/src/hotelmanagementsystem/decorator/AmenityDecorator.java
  class AmenityDecorator (line 3) | public abstract class AmenityDecorator implements Bookable {
    method AmenityDecorator (line 6) | public AmenityDecorator(Bookable bookable) {
    method getCost (line 10) | @Override
    method getDescription (line 15) | @Override

FILE: solutions/java/src/hotelmanagementsystem/decorator/Bookable.java
  type Bookable (line 3) | public interface Bookable {
    method getCost (line 4) | double getCost();
    method getDescription (line 5) | String getDescription();

FILE: solutions/java/src/hotelmanagementsystem/decorator/BreakfastDecorator.java
  class BreakfastDecorator (line 3) | public class BreakfastDecorator extends AmenityDecorator {
    method BreakfastDecorator (line 6) | public BreakfastDecorator(Bookable bookable) {
    method getCost (line 10) | @Override
    method getDescription (line 15) | @Override

FILE: solutions/java/src/hotelmanagementsystem/decorator/RoomBooking.java
  class RoomBooking (line 5) | public class RoomBooking implements Bookable {
    method RoomBooking (line 8) | public RoomBooking(Room room) {
    method getCost (line 12) | @Override
    method getDescription (line 17) | @Override

FILE: solutions/java/src/hotelmanagementsystem/decorator/SpaDecorator.java
  class SpaDecorator (line 3) | public class SpaDecorator extends AmenityDecorator {
    method SpaDecorator (line 6) | public SpaDecorator(Bookable bookable) {
    method getCost (line 10) | @Override
    method getDescription (line 17) | @Override

FILE: solutions/java/src/hotelmanagementsystem/enums/BookingStatus.java
  type BookingStatus (line 3) | public enum BookingStatus {

FILE: solutions/java/src/hotelmanagementsystem/enums/RoomStyle.java
  type RoomStyle (line 3) | public enum RoomStyle {

FILE: solutions/java/src/hotelmanagementsystem/enums/RoomType.java
  type RoomType (line 3) | public enum RoomType {

FILE: solutions/java/src/hotelmanagementsystem/factory/RoomFactory.java
  class RoomFactory (line 7) | public class RoomFactory {
    method createRoom (line 8) | public static Room createRoom(String roomNumber, String type, String s...

FILE: solutions/java/src/hotelmanagementsystem/model/Booking.java
  class Booking (line 7) | public class Booking {
    method Booking (line 15) | public Booking(String bookingId, Guest guest, Room room, LocalDate sta...
    method checkIn (line 24) | public void checkIn() { this.status = BookingStatus.CHECKED_IN; }
    method checkOut (line 25) | public void checkOut() { this.status = BookingStatus.CHECKED_OUT; }
    method cancel (line 26) | public void cancel() { this.status = BookingStatus.CANCELLED; }
    method getBookingId (line 28) | public String getBookingId() { return bookingId; }
    method getGuest (line 29) | public Guest getGuest() { return guest; }
    method getRoom (line 30) | public Room getRoom() { return room; }
    method getStartDate (line 31) | public LocalDate getStartDate() { return startDate; }
    method getEndDate (line 32) | public LocalDate getEndDate() { return endDate; }
    method getStatus (line 33) | public BookingStatus getStatus() { return status; }

FILE: solutions/java/src/hotelmanagementsystem/model/Guest.java
  class Guest (line 3) | public class Guest {
    method Guest (line 8) | public Guest(String id, String name, String email) {
    method getId (line 14) | public String getId() { return id; }
    method getName (line 15) | public String getName() { return name; }
    method getEmail (line 16) | public String getEmail() { return email; }

FILE: solutions/java/src/hotelmanagementsystem/model/Room.java
  class Room (line 8) | public class Room {
    method Room (line 15) | public Room(String roomNumber, RoomType type, RoomStyle style, double ...
    method setState (line 23) | public void setState(RoomState state) {
    method book (line 27) | public void book() {
    method checkIn (line 31) | public void checkIn() {
    method checkOut (line 35) | public void checkOut() {
    method markForMaintenance (line 39) | public void markForMaintenance() {
    method getRoomNumber (line 43) | public String getRoomNumber() { return roomNumber; }
    method getType (line 44) | public RoomType getType() { return type; }
    method getStyle (line 45) | public RoomStyle getStyle() { return style; }
    method getPrice (line 46) | public double getPrice() { return price; }
    method getState (line 47) | public RoomState getState() { return state; }
    method toString (line 49) | @Override

FILE: solutions/java/src/hotelmanagementsystem/observer/BookingObserver.java
  type BookingObserver (line 5) | public interface BookingObserver {
    method update (line 6) | void update(Booking booking);

FILE: solutions/java/src/hotelmanagementsystem/observer/EmailNotifier.java
  class EmailNotifier (line 5) | public class EmailNotifier implements BookingObserver {
    method update (line 6) | @Override

FILE: solutions/java/src/hotelmanagementsystem/observer/SmsNotifier.java
  class SmsNotifier (line 5) | public class SmsNotifier implements BookingObserver {
    method update (line 6) | @Override

FILE: solutions/java/src/hotelmanagementsystem/payment/CashPayment.java
  class CashPayment (line 3) | public class CashPayment implements Payment {
    method processPayment (line 4) | @Override

FILE: solutions/java/src/hotelmanagementsystem/payment/CreditCardPayment.java
  class CreditCardPayment (line 3) | public class CreditCardPayment implements Payment {
    method processPayment (line 4) | @Override

FILE: solutions/java/src/hotelmanagementsystem/payment/Payment.java
  type Payment (line 3) | public interface Payment {
    method processPayment (line 4) | boolean processPayment(double amount);

FILE: solutions/java/src/hotelmanagementsystem/specification/AbstractSpecification.java
  class AbstractSpecification (line 3) | public abstract class AbstractSpecification<T> implements Specification<...
    method and (line 4) | public Specification<T> and(Specification<T> other) {

FILE: solutions/java/src/hotelmanagementsystem/specification/AndSpecification.java
  class AndSpecification (line 3) | public class AndSpecification<T> extends AbstractSpecification<T> {
    method AndSpecification (line 7) | public AndSpecification(Specification<T> spec1, Specification<T> spec2) {
    method isSatisfiedBy (line 12) | @Override

FILE: solutions/java/src/hotelmanagementsystem/specification/RoomAvailableSpecification.java
  class RoomAvailableSpecification (line 6) | public class RoomAvailableSpecification extends AbstractSpecification<Ro...
    method isSatisfiedBy (line 7) | @Override

FILE: solutions/java/src/hotelmanagementsystem/specification/RoomStyleSpecification.java
  class RoomStyleSpecification (line 6) | public class RoomStyleSpecification extends AbstractSpecification<Room> {
    method RoomStyleSpecification (line 9) | public RoomStyleSpecification(RoomStyle style) {
    method isSatisfiedBy (line 13) | @Override

FILE: solutions/java/src/hotelmanagementsystem/specification/RoomTypeSpecification.java
  class RoomTypeSpecification (line 6) | public class RoomTypeSpecification extends AbstractSpecification<Room> {
    method RoomTypeSpecification (line 9) | public RoomTypeSpecification(RoomType type) {
    method isSatisfiedBy (line 13) | @Override

FILE: solutions/java/src/hotelmanagementsystem/specification/Specification.java
  type Specification (line 3) | public interface Specification<T> {
    method isSatisfiedBy (line 4) | boolean isSatisfiedBy(T item);
    method and (line 5) | Specification<T> and(Specification<T> other);

FILE: solutions/java/src/hotelmanagementsystem/state/AvailableState.java
  class AvailableState (line 5) | public class AvailableState implements RoomState {
    method book (line 6) | @Override
    method checkIn (line 12) | @Override
    method checkOut (line 18) | @Override
    method markForMaintenance (line 23) | @Override

FILE: solutions/java/src/hotelmanagementsystem/state/MaintenanceState.java
  class MaintenanceState (line 5) | public class MaintenanceState implements RoomState {
    method book (line 6) | @Override
    method checkIn (line 11) | @Override
    method checkOut (line 16) | @Override
    method markForMaintenance (line 21) | @Override

FILE: solutions/java/src/hotelmanagementsystem/state/OccupiedState.java
  class OccupiedState (line 5) | public class OccupiedState implements RoomState {
    method book (line 6) | @Override
    method checkIn (line 11) | @Override
    method checkOut (line 16) | @Override
    method markForMaintenance (line 22) | @Override

FILE: solutions/java/src/hotelmanagementsystem/state/RoomState.java
  type RoomState (line 5) | public interface RoomState {
    method book (line 6) | void book(Room room);
    method checkIn (line 7) | void checkIn(Room room);
    method checkOut (line 8) | void checkOut(Room room);
    method markForMaintenance (line 9) | void markForMaintenance(Room room);

FILE: solutions/java/src/librarymanagementsystem/LibraryManagementDemo.java
  class LibraryManagementDemo (line 11) | public class LibraryManagementDemo {
    method main (line 12) | public static void main(String[] args) {

FILE: solutions/java/src/librarymanagementsystem/LibraryManagementSystem.java
  class LibraryManagementSystem (line 15) | public class LibraryManagementSystem {
    method LibraryManagementSystem (line 21) | private LibraryManagementSystem() {}
    method getInstance (line 22) | public static LibraryManagementSystem getInstance() { return INSTANCE; }
    method addItem (line 25) | public List<BookCopy> addItem(ItemType type, String id, String title, ...
    method addMember (line 40) | public Member addMember(String id, String name) {
    method checkout (line 47) | public void checkout(String memberId, String copyId) {
    method returnItem (line 57) | public void returnItem(String copyId) {
    method placeHold (line 66) | public void placeHold(String memberId, String itemId) {
    method search (line 79) | public List<LibraryItem> search(String query, SearchStrategy strategy) {
    method printCatalog (line 83) | public void printCatalog() {

FILE: solutions/java/src/librarymanagementsystem/TransactionService.java
  class TransactionService (line 10) | public class TransactionService {
    method TransactionService (line 14) | private TransactionService() {}
    method getInstance (line 15) | public static TransactionService getInstance() { return INSTANCE; }
    method createLoan (line 17) | public void createLoan(BookCopy copy, Member member) {
    method endLoan (line 26) | public void endLoan(BookCopy copy) {

FILE: solutions/java/src/librarymanagementsystem/enums/ItemType.java
  type ItemType (line 3) | public enum ItemType {

FILE: solutions/java/src/librarymanagementsystem/factory/ItemFactory.java
  class ItemFactory (line 8) | public class ItemFactory {
    method createItem (line 9) | public static LibraryItem createItem(ItemType type, String id, String ...

FILE: solutions/java/src/librarymanagementsystem/models/Book.java
  class Book (line 3) | public class Book extends LibraryItem {
    method Book (line 6) | public Book(String id, String title, String author) {
    method getAuthorOrPublisher (line 11) | @Override

FILE: solutions/java/src/librarymanagementsystem/models/BookCopy.java
  class BookCopy (line 7) | public class BookCopy {
    method BookCopy (line 12) | public BookCopy(String id, LibraryItem item) {
    method checkout (line 19) | public void checkout(Member member) { currentState.checkout(this, memb...
    method returnItem (line 20) | public void returnItem() { currentState.returnItem(this); }
    method placeHold (line 21) | public void placeHold(Member member) { currentState.placeHold(this, me...
    method setState (line 23) | public void setState(ItemState state) { this.currentState = state; }
    method getId (line 24) | public String getId() { return id; }
    method getItem (line 25) | public LibraryItem getItem() { return item; }
    method isAvailable (line 26) | public boolean isAvailable() { return currentState instanceof Availabl...

FILE: solutions/java/src/librarymanagementsystem/models/LibraryItem.java
  class LibraryItem (line 6) | public abstract class LibraryItem {
    method LibraryItem (line 13) | public LibraryItem(String id, String title) {
    method addCopy (line 18) | public void addCopy(BookCopy copy) { this.copies.add(copy); }
    method addObserver (line 19) | public void addObserver(Member member) { observers.add(member); }
    method removeObserver (line 20) | public void removeObserver(Member member) { observers.remove(member); }
    method notifyObservers (line 22) | public void notifyObservers() {
    method getAvailableCopy (line 28) | public BookCopy getAvailableCopy() {
    method getId (line 36) | public String getId() { return id; }
    method getTitle (line 37) | public String getTitle() { return title; }
    method getCopies (line 39) | public List<BookCopy> getCopies() {
    method getAuthorOrPublisher (line 43) | public abstract String getAuthorOrPublisher();
    method getAvailableCopyCount (line 44) | public long getAvailableCopyCount() {
    method hasObservers (line 48) | public boolean hasObservers() { return !observers.isEmpty(); }
    method isObserver (line 49) | public boolean isObserver(Member member) { return observers.contains(m...

FILE: solutions/java/src/librarymanagementsystem/models/Loan.java
  class Loan (line 5) | public class Loan {
    method Loan (line 10) | public Loan(BookCopy copy, Member member) {
    method getCopy (line 16) | public BookCopy getCopy() { return copy; }
    method getMember (line 17) | public Member getMember() { return member; }

FILE: solutions/java/src/librarymanagementsystem/models/Magazine.java
  class Magazine (line 3) | public class Magazine extends LibraryItem {
    method Magazine (line 6) | public Magazine(String id, String title, String publisher) {
    method getAuthorOrPublisher (line 11) | @Override

FILE: solutions/java/src/librarymanagementsystem/models/Member.java
  class Member (line 6) | public class Member {
    method Member (line 11) | public Member(String id, String name) {
    method update (line 17) | public void update(LibraryItem item) {
    method addLoan (line 21) | public void addLoan(Loan loan) { loans.add(loan); }
    method removeLoan (line 22) | public void removeLoan(Loan loan) { loans.remove(loan); }
    method getId (line 23) | public String getId() { return id; }
    method getName (line 24) | public String getName() { return name; }
    method getLoans (line 25) | public List<Loan> getLoans() { return loans; }

FILE: solutions/java/src/librarymanagementsystem/state/AvailableState.java
  class AvailableState (line 7) | public class AvailableState implements ItemState {
    method checkout (line 8) | @Override
    method returnItem (line 15) | @Override
    method placeHold (line 20) | @Override

FILE: solutions/java/src/librarymanagementsystem/state/CheckedOutState.java
  class CheckedOutState (line 7) | public class CheckedOutState implements ItemState {
    method checkout (line 8) | @Override public void checkout(BookCopy c, Member m) { System.out.prin...
    method returnItem (line 10) | @Override
    method placeHold (line 23) | @Override

FILE: solutions/java/src/librarymanagementsystem/state/ItemState.java
  type ItemState (line 6) | public interface ItemState {
    method checkout (line 7) | void checkout(BookCopy copy, Member member);
    method returnItem (line 8) | void returnItem(BookCopy copy);
    method placeHold (line 9) | void placeHold(BookCopy copy, Member member);

FILE: solutions/java/src/librarymanagementsystem/state/OnHoldState.java
  class OnHoldState (line 7) | public class OnHoldState implements ItemState {
    method checkout (line 8) | @Override
    method returnItem (line 21) | @Override
    method placeHold (line 26) | @Override

FILE: solutions/java/src/librarymanagementsystem/strategy/SearchByAuthorStrategy.java
  class SearchByAuthorStrategy (line 8) | public class SearchByAuthorStrategy implements SearchStrategy {
    method search (line 9) | @Override

FILE: solutions/java/src/librarymanagementsystem/strategy/SearchByTitleStrategy.java
  class SearchByTitleStrategy (line 8) | public class SearchByTitleStrategy implements SearchStrategy {
    method search (line 9) | @Override

FILE: solutions/java/src/librarymanagementsystem/strategy/SearchStrategy.java
  type SearchStrategy (line 7) | public interface SearchStrategy {
    method search (line 8) | List<LibraryItem> search(String query, List<LibraryItem> items);

FILE: solutions/java/src/linkedin/LinkedInDemo.java
  class LinkedInDemo (line 11) | public class LinkedInDemo {
    method main (line 12) | public static void main(String[] args) {

FILE: solutions/java/src/linkedin/LinkedInSystem.java
  class LinkedInSystem (line 15) | public class LinkedInSystem {
    method LinkedInSystem (line 26) | private LinkedInSystem() {
    method getInstance (line 33) | public static LinkedInSystem getInstance() {
    method registerMember (line 44) | public void registerMember(Member member) {
    method getMember (line 49) | public Member getMember(String name) {
    method sendConnectionRequest (line 53) | public String sendConnectionRequest(Member from, Member to) {
    method acceptConnectionRequest (line 57) | public void acceptConnectionRequest(String requestId) {
    method createPost (line 61) | public void createPost(String memberId, String content) {
    method getLatestPostByMember (line 68) | public Post getLatestPostByMember(String memberId) {
    method viewNewsFeed (line 74) | public void viewNewsFeed(String memberId) {
    method searchMemberByName (line 81) | public List<Member> searchMemberByName(String name) {

FILE: solutions/java/src/linkedin/entities/Comment.java
  class Comment (line 5) | public class Comment {
    method Comment (line 10) | public Comment(Member author, String text) {
    method getAuthor (line 15) | public Member getAuthor() { return author; }
    method getText (line 16) | public String getText() { return text; }

FILE: solutions/java/src/linkedin/entities/Connection.java
  class Connection (line 7) | public class Connection {
    method Connection (line 14) | public Connection(Member fromMember, Member toMember) {
    method getFromMember (line 21) | public Member getFromMember() { return fromMember; }
    method getToMember (line 22) | public Member getToMember() { return toMember; }
    method getStatus (line 23) | public ConnectionStatus getStatus() { return status; }
    method setStatus (line 25) | public void setStatus(ConnectionStatus status) {

FILE: solutions/java/src/linkedin/entities/Education.java
  class Education (line 3) | public class Education {
    method Education (line 9) | public Education(String school, String degree, int startYear, int endY...
    method toString (line 16) | @Override

FILE: solutions/java/src/linkedin/entities/Experience.java
  class Experience (line 5) | public class Experience {
    method Experience (line 11) | public Experience(String title, String company, LocalDate startDate, L...
    method toString (line 18) | @Override

FILE: solutions/java/src/linkedin/entities/Like.java
  class Like (line 5) | public class Like {
    method Like (line 9) | public Like(Member member) {
    method getMember (line 13) | public Member getMember() { return member; }

FILE: solutions/java/src/linkedin/entities/Member.java
  class Member (line 7) | public class Member implements NotificationObserver {
    method Member (line 15) | private Member(String id, String name, String email, Profile profile) {
    method getId (line 22) | public String getId() { return id; }
    method getName (line 23) | public String getName() { return name; }
    method getEmail (line 24) | public String getEmail() { return email; }
    method getConnections (line 25) | public Set<Member> getConnections() { return connections; }
    method getProfile (line 26) | public Profile getProfile() { return profile; }
    method addConnection (line 28) | public void addConnection(Member member) {
    method displayProfile (line 32) | public void displayProfile() {
    method viewNotifications (line 38) | public void viewNotifications() {
    method update (line 52) | @Override
    class Builder (line 59) | public static class Builder {
      method Builder (line 65) | public Builder(String name, String email) {
      method withSummary (line 71) | public Builder withSummary(String summary) {
      method addExperience (line 76) | public Builder addExperience(Experience experience) {
      method addEducation (line 81) | public Builder addEducation(Education education) {
      method build (line 86) | public Member build() {

FILE: solutions/java/src/linkedin/entities/NewsFeed.java
  class NewsFeed (line 7) | public class NewsFeed {
    method NewsFeed (line 10) | public NewsFeed(List<Post> posts) {
    method display (line 14) | public void display(FeedSortingStrategy strategy) {

FILE: solutions/java/src/linkedin/entities/Notification.java
  class Notification (line 8) | public class Notification {
    method Notification (line 16) | public Notification(String memberId, NotificationType type, String con...
    method getContent (line 24) | public String getContent() { return content; }
    method markAsRead (line 25) | public void markAsRead() { this.isRead = true; }
    method isRead (line 26) | public boolean isRead() { return isRead; }

FILE: solutions/java/src/linkedin/entities/Post.java
  class Post (line 11) | public class Post extends Subject {
    method Post (line 19) | public Post(Member author, String content) {
    method addLike (line 28) | public void addLike(Member member) {
    method addComment (line 35) | public void addComment(Member member, String text) {
    method getId (line 42) | public String getId() { return id; }
    method getAuthor (line 43) | public Member getAuthor() { return author; }
    method getContent (line 44) | public String getContent() { return content; }
    method getCreatedAt (line 45) | public LocalDateTime getCreatedAt() { return createdAt; }
    method getLikes (line 46) | public List<Like> getLikes() { return likes; }
    method getComments (line 47) | public List<Comment> getComments() { return comments; }

FILE: solutions/java/src/linkedin/entities/Profile.java
  class Profile (line 6) | public class Profile {
    method setSummary (line 11) | public void setSummary(String summary) { this.summary = summary; }
    method addExperience (line 12) | public void addExperience(Experience experience) { experiences.add(exp...
    method addEducation (line 13) | public void addEducation(Education education) { educations.add(educati...
    method display (line 15) | public void display() {

FILE: solutions/java/src/linkedin/enums/ConnectionStatus.java
  type ConnectionStatus (line 3) | public enum ConnectionStatus {

FILE: solutions/java/src/linkedin/enums/NotificationType.java
  type NotificationType (line 3) | public enum NotificationType {

FILE: solutions/java/src/linkedin/observer/NotificationObserver.java
  type NotificationObserver (line 5) | public interface NotificationObserver {
    method update (line 6) | void update(Notification notification);

FILE: solutions/java/src/linkedin/observer/Subject.java
  class Subject (line 8) | public abstract class Subject {
    method addObserver (line 11) | public void addObserver(NotificationObserver observer) {
    method removeObserver (line 15) | public void removeObserver(NotificationObserver observer) {
    method notifyObservers (line 19) | public void notifyObservers(Notification notification) {

FILE: solutions/java/src/linkedin/services/ConnectionService.java
  class ConnectionService (line 13) | public class ConnectionService {
    method ConnectionService (line 18) | public ConnectionService(NotificationService notificationService) {
    method sendRequest (line 22) | public String sendRequest(Member from, Member to) {
    method acceptRequest (line 39) | public void acceptRequest(String requestId) {

FILE: solutions/java/src/linkedin/services/NewsFeedService.java
  class NewsFeedService (line 13) | public class NewsFeedService {
    method NewsFeedService (line 16) | public NewsFeedService() {
    method addPost (line 20) | public void addPost(Member member, Post post) {
    method getMemberPosts (line 28) | public List<Post> getMemberPosts(Member member) {
    method displayFeedForMember (line 32) | public void displayFeedForMember(Member member, FeedSortingStrategy fe...

FILE: solutions/java/src/linkedin/services/NotificationService.java
  class NotificationService (line 6) | public class NotificationService {
    method sendNotification (line 7) | public void sendNotification(Member member, Notification notification) {

FILE: solutions/java/src/linkedin/services/SearchService.java
  class SearchService (line 9) | public class SearchService {
    method SearchService (line 12) | public SearchService(Collection<Member> members) {
    method searchByName (line 16) | public List<Member> searchByName(String name) {

FILE: solutions/java/src/linkedin/strategy/ChronologicalSortStrategy.java
  class ChronologicalSortStrategy (line 9) | public class ChronologicalSortStrategy implements FeedSortingStrategy {
    method sort (line 10) | @Override

FILE: solutions/java/src/linkedin/strategy/FeedSortingStrategy.java
  type FeedSortingStrategy (line 7) | public interface FeedSortingStrategy {
    method sort (line 8) | List<Post> sort(List<Post> posts);

FILE: solutions/java/src/loggingframework/AsyncLogProcessor.java
  class AsyncLogProcessor (line 9) | class AsyncLogProcessor {
    method AsyncLogProcessor (line 12) | public AsyncLogProcessor() {
    method process (line 20) | public void process(LogMessage logMessage, List<LogAppender> appenders) {
    method stop (line 34) | public void stop() {

FILE: solutions/java/src/loggingframework/LogManager.java
  class LogManager (line 8) | public class LogManager {
    method LogManager (line 14) | private LogManager() {
    method getInstance (line 20) | public static LogManager getInstance() {
    method getLogger (line 24) | public Logger getLogger(String name) {
    method createLogger (line 28) | private Logger createLogger(String name) {
    method getRootLogger (line 38) | public Logger getRootLogger() {
    method getProcessor (line 42) | AsyncLogProcessor getProcessor() {
    method shutdown (line 46) | public void shutdown() {

FILE: solutions/java/src/loggingframework/Logger.java
  class Logger (line 9) | public class Logger {
    method Logger (line 16) | Logger(String name, Logger parent) {
    method addAppender (line 22) | public void addAppender(LogAppender appender) {
    method getAppenders (line 26) | public List<LogAppender> getAppenders() {
    method setLevel (line 30) | public void setLevel(LogLevel minLevel) {
    method setAdditivity (line 34) | public void setAdditivity(boolean additivity) {
    method getEffectiveLevel (line 38) | public LogLevel getEffectiveLevel() {
    method log (line 48) | public void log(LogLevel messageLevel, String message) {
    method callAppenders (line 55) | private void callAppenders(LogMessage logMessage) {
    method debug (line 64) | public void debug(String message) {
    method info (line 67) | public void info(String message) {
    method warn (line 70) | public void warn(String message) {
    method error (line 73) | public void error(String message) {
    method fatal (line 76) | public void fatal(String message) {

FILE: solutions/java/src/loggingframework/LoggingFrameworkDemo.java
  class LoggingFrameworkDemo (line 6) | public class LoggingFrameworkDemo {
    method main (line 7) | public static void main(String[] args) {

FILE: solutions/java/src/loggingframework/entities/LogMessage.java
  class LogMessage (line 7) | public final class LogMessage {
    method LogMessage (line 14) | public LogMessage(LogLevel level, String loggerName, String message) {
    method getTimestamp (line 23) | public LocalDateTime getTimestamp() { return timestamp; }
    method getLevel (line 24) | public LogLevel getLevel() { return level; }
    method getLoggerName (line 25) | public String getLoggerName() { return loggerName; }
    method getThreadName (line 26) | public String getThreadName() { return threadName; }
    method getMessage (line 27) | public String getMessage() { return message; }

FILE: solutions/java/src/loggingframework/enums/LogLevel.java
  type LogLevel (line 3) | public enum LogLevel {
    method LogLevel (line 8) | LogLevel(int level) {
    method isGreaterOrEqual (line 12) | public boolean isGreaterOrEqual(LogLevel other) {

FILE: solutions/java/src/loggingframework/strategies/appender/ConsoleAppender.java
  class ConsoleAppender (line 7) | public class ConsoleAppender implements LogAppender {
    method ConsoleAppender (line 10) | public ConsoleAppender() {
    method append (line 14) | @Override
    method close (line 19) | @Override
    method setFormatter (line 22) | @Override
    method getFormatter (line 27) | @Override

FILE: solutions/java/src/loggingframework/strategies/appender/FileAppender.java
  class FileAppender (line 10) | public class FileAppender implements LogAppender {
    method FileAppender (line 14) | public FileAppender(String filePath) {
    method append (line 23) | @Override
    method close (line 33) | @Override
    method setFormatter (line 42) | @Override
    method getFormatter (line 47) | @Override

FILE: solutions/java/src/loggingframework/strategies/appender/LogAppender.java
  type LogAppender (line 6) | public interface LogAppender {
    method append (line 7) | void append(LogMessage logMessage);
    method close (line 8) | void close();
    method getFormatter (line 9) | LogFormatter getFormatter();
    method setFormatter (line 10) | void setFormatter(LogFormatter formatter);

FILE: solutions/java/src/loggingframework/strategies/formatter/LogFormatter.java
  type LogFormatter (line 5) | public interface LogFormatter {
    method format (line 6) | String format(LogMessage logMessage);

FILE: solutions/java/src/loggingframework/strategies/formatter/SimpleTextFormatter.java
  class SimpleTextFormatter (line 7) | public class SimpleTextFormatter implements LogFormatter {
    method format (line 11) | @Override

FILE: solutions/java/src/lrucache/DoublyLinkedList.java
  class DoublyLinkedList (line 3) | class DoublyLinkedList<K, V> {
    method DoublyLinkedList (line 7) | public DoublyLinkedList() {
    method addFirst (line 14) | public void addFirst(Node<K, V> node) {
    method remove (line 21) | public void remove(Node<K, V> node) {
    method moveToFront (line 26) | public void moveToFront(Node<K, V> node) {
    method removeLast (line 31) | public Node<K, V> removeLast() {

FILE: solutions/java/src/lrucache/LRUCache.java
  class LRUCache (line 6) | public class LRUCache<K, V> {
    method LRUCache (line 11) | public LRUCache(int capacity) {
    method get (line 17) | public synchronized V get(K key) {
    method put (line 24) | public synchronized void put(K key, V value) {
    method remove (line 40) | public synchronized void remove(K key) {

FILE: solutions/java/src/lrucache/LRUCacheDemo.java
  class LRUCacheDemo (line 3) | public class LRUCacheDemo {
    method run (line 4) | public static void run() {

FILE: solutions/java/src/lrucache/Node.java
  class Node (line 3) | class Node<K, V> {
    method Node (line 8) | public Node(K key, V value) {

FILE: solutions/java/src/movieticketbookingsystem/BookingManager.java
  class BookingManager (line 10) | public class BookingManager {
    method BookingManager (line 13) | public BookingManager(SeatLockManager seatLockManager) {
    method createBooking (line 17) | public Optional<Booking> createBooking(User user, Show show, List<Seat...

FILE: solutions/java/src/movieticketbookingsystem/MovieBookingDemo.java
  class MovieBookingDemo (line 14) | public class MovieBookingDemo {
    method main (line 15) | public static void main (String[]args){

FILE: solutions/java/src/movieticketbookingsystem/MovieBookingService.java
  class MovieBookingService (line 14) | public class MovieBookingService {
    method MovieBookingService (line 28) | private MovieBookingService() {
    method getInstance (line 39) | public static MovieBookingService getInstance() {
    method getBookingManager (line 50) | public BookingManager getBookingManager() {
    method addCity (line 55) | public City addCity(String id, String name) {
    method addCinema (line 61) | public Cinema addCinema(String id, String name, String cityId, List<Sc...
    method addMovie (line 68) | public void addMovie(Movie movie) {
    method addShow (line 72) | public Show addShow(String id, Movie movie, Screen screen, LocalDateTi...
    method createUser (line 78) | public User createUser(String name, String email) {
    method bookTickets (line 84) | public Optional<Booking> bookTickets(String userId, String showId, Lis...
    method findShows (line 94) | public List<Show> findShows(String movieTitle, String cityName) {
    method findCinemaForShow (line 106) | private Cinema findCinemaForShow(Show show) {
    method shutdown (line 115) | public void shutdown() {

FILE: solutions/java/src/movieticketbookingsystem/SeatLockManager.java
  class SeatLockManager (line 14) | public class SeatLockManager {
    method lockSeats (line 19) | public void lockSeats(Show show, List<Seat> seats, String userId) {
    method unlockSeats (line 45) | public void unlockSeats(Show show, List<Seat> seats, String userId) {
    method shutdown (line 69) | public void shutdown() {

FILE: solutions/java/src/movieticketbookingsystem/entities/Booking.java
  class Booking (line 7) | public class Booking {
    method Booking (line 16) | private Booking(String id, User user, Show show, List<Seat> seats, dou...
    method confirmBooking (line 26) | public void confirmBooking() {
    method getId (line 32) | public String getId() { return id; }
    method getUser (line 33) | public User getUser() { return user; }
    method getShow (line 34) | public Show getShow() { return show; }
    method getSeats (line 35) | public List<Seat> getSeats() { return seats; }
    method getTotalAmount (line 36) | public double getTotalAmount() { return totalAmount; }
    method getPayment (line 37) | public Payment getPayment() { return payment; }
    class BookingBuilder (line 40) | public static class BookingBuilder {
      method setId (line 48) | public BookingBuilder setId(String id) {
      method setUser (line 53) | public BookingBuilder setUser(User user) {
      method setShow (line 58) | public BookingBuilder setShow(Show show) {
      method setSeats (line 63) | public BookingBuilder setSeats(List<Seat> seats) {
      method setTotalAmount (line 68) | public BookingBuilder setTotalAmount(double totalAmount) {
      method setPayment (line 73) | public BookingBuilder setPayment(Payment payment) {
      method build (line 78) | public Booking build() {

FILE: solutions/java/src/movieticketbookingsystem/entities/Cinema.java
  class Cinema (line 5) | public class Cinema {
    method Cinema (line 11) | public Cinema(String id, String name, City city, List<Screen> screens) {
    method getId (line 18) | public String getId() { return id; }
    method getName (line 19) | public String getName() { return name; }
    method getCity (line 20) | public City getCity() { return city; }
    method getScreens (line 21) | public List<Screen> getScreens() { return screens; }

FILE: solutions/java/src/movieticketbookingsystem/entities/City.java
  class City (line 3) | public class City {
    method City (line 7) | public City(String id, String name) {
    method getId (line 12) | public String getId() {
    method getName (line 16) | public String getName() {

FILE: solutions/java/src/movieticketbookingsystem/entities/Movie.java
  class Movie (line 5) | public class Movie extends MovieSubject {
    method Movie (line 10) | public Movie(String id, String title, int durationInMinutes) {
    method getId (line 16) | public String getId() {
    method getTitle (line 20) | public String getTitle() {

FILE: solutions/java/src/movieticketbookingsystem/entities/Payment.java
  class Payment (line 7) | public class Payment {
    method Payment (line 13) | public Payment(double amount, PaymentStatus status, String transaction...
    method getStatus (line 20) | public PaymentStatus getStatus() { return status; }

FILE: solutions/java/src/movieticketbookingsystem/entities/Screen.java
  class Screen (line 6) | public class Screen {
    method Screen (line 10) | public Screen(String id) {
    method addSeat (line 15) | public void addSeat(Seat seat) {
    method getId (line 19) | public String getId() { return id; }
    method getSeats (line 20) | public List<Seat> getSeats() { return seats; }

FILE: solutions/java/src/movieticketbookingsystem/entities/Seat.java
  class Seat (line 6) | public class Seat {
    method Seat (line 13) | public Seat(String id, int row, int col, SeatType type) {
    method getId (line 22) | public String getId() { return id; }
    method getRow (line 23) | public int getRow() { return row; }
    method getCol (line 24) | public int getCol() { return col; }
    method getType (line 25) | public SeatType getType() { return type; }
    method getStatus (line 26) | public SeatStatus getStatus() { return status; }
    method setStatus (line 27) | public void setStatus(SeatStatus status) { this.status = status; }

FILE: solutions/java/src/movieticketbookingsystem/entities/Show.java
  class Show (line 7) | public class Show {
    method Show (line 14) | public Show(String id, Movie movie, Screen screen, LocalDateTime start...
    method getId (line 22) | public String getId() { return id; }
    method getMovie (line 23) | public Movie getMovie() { return movie; }
    method getScreen (line 24) | public Screen getScreen() { return screen; }
    method getStartTime (line 25) | public LocalDateTime getStartTime() { return startTime; }
    method getPricingStrategy (line 26) | public PricingStrategy getPricingStrategy() { return pricingStrategy; }

FILE: solutions/java/src/movieticketbookingsystem/entities/User.java
  class User (line 5) | public class User {
    method User (line 10) | public User(String name, String email) {
    method getId (line 16) | public String getId() {
    method getName (line 20) | public String getName() {

FILE: solutions/java/src/movieticketbookingsystem/enums/PaymentStatus.java
  type PaymentStatus (line 3) | public enum PaymentStatus {

FILE: solutions/java/src/movieticketbookingsystem/enums/SeatStatus.java
  type SeatStatus (line 3) | public enum SeatStatus {

FILE: solutions/java/src/movieticketbookingsystem/enums/SeatType.java
  type SeatType (line 3) | public enum SeatType {
    method SeatType (line 10) | SeatType(double price) {
    method getPrice (line 14) | public double getPrice() {

FILE: solutions/java/src/movieticketbookingsystem/observer/MovieObserver.java
  type MovieObserver (line 5) | public interface MovieObserver {
    method update (line 6) | void update(Movie movie);

FILE: solutions/java/src/movieticketbookingsystem/observer/MovieSubject.java
  class MovieSubject (line 8) | public abstract class MovieSubject {
    method addObserver (line 11) | public void addObserver(MovieObserver observer) {
    method removeObserver (line 15) | public void removeObserver(MovieObserver observer) {
    method notifyObservers (line 19) | public void notifyObservers() {

FILE: solutions/java/src/movieticketbookingsystem/observer/UserObserver.java
  class UserObserver (line 6) | public class UserObserver implements MovieObserver {
    method UserObserver (line 9) | public UserObserver(User user) {
    method update (line 13) | @Override

FILE: solutions/java/src/movieticketbookingsystem/strategy/payment/CreditCardPaymentStrategy.java
  class CreditCardPaymentStrategy (line 8) | public class CreditCardPaymentStrategy implements PaymentStrategy {
    method CreditCardPaymentStrategy (line 12) | public CreditCardPaymentStrategy(String cardNumber, String cvv) {
    method pay (line 17) | @Override

FILE: solutions/java/src/movieticketbookingsystem/strategy/payment/PaymentStrategy.java
  type PaymentStrategy (line 5) | public interface PaymentStrategy {
    method pay (line 6) | Payment pay(double amount);

FILE: solutions/java/src/movieticketbookingsystem/strategy/pricing/PricingStrategy.java
  type PricingStrategy (line 7) | public interface PricingStrategy {
    method calculatePrice (line 8) | double calculatePrice(List<Seat> seats);

FILE: solutions/java/src/movieticketbookingsystem/strategy/pricing/WeekdayPricingStrategy.java
  class WeekdayPricingStrategy (line 7) | public class WeekdayPricingStrategy implements PricingStrategy {
    method calculatePrice (line 8) | @Override

FILE: solutions/java/src/movieticketbookingsystem/strategy/pricing/WeekendPricingStrategy.java
  class WeekendPricingStrategy (line 7) | public class WeekendPricingStrategy implements PricingStrategy {
    method calculatePrice (line 10) | @Override

FILE: solutions/java/src/musicstreamingservice/MusicStreamingDemo.java
  class MusicStreamingDemo (line 12) | public class MusicStreamingDemo {
    method main (line 13) | public static void main(String[] args) throws InterruptedException {

FILE: solutions/java/src/musicstreamingservice/MusicStreamingSystem.java
  class MusicStreamingSystem (line 16) | public class MusicStreamingSystem {
    method MusicStreamingSystem (line 27) | private MusicStreamingSystem() {
    method getInstance (line 32) | public static MusicStreamingSystem getInstance() {
    method registerUser (line 43) | public void registerUser(User user) {
    method addSong (line 47) | public Song addSong(String id, String title, String artistId, int dura...
    method addArtist (line 53) | public void addArtist(Artist artist) {
    method searchSongsByTitle (line 57) | public List<Song> searchSongsByTitle(String title) {
    method getSongRecommendations (line 61) | public List<Song> getSongRecommendations() {
    method getPlayer (line 65) | public Player getPlayer() { return player; }

FILE: solutions/java/src/musicstreamingservice/command/Command.java
  type Command (line 3) | public interface Command {
    method execute (line 4) | void execute();

FILE: solutions/java/src/musicstreamingservice/command/NextTrackCommand.java
  class NextTrackCommand (line 5) | public class NextTrackCommand implements Command {
    method NextTrackCommand (line 8) | public NextTrackCommand(Player player) { this.player = player; }
    method execute (line 10) | @Override

FILE: solutions/java/src/musicstreamingservice/command/PauseCommand.java
  class PauseCommand (line 5) | public class PauseCommand implements Command {
    method PauseCommand (line 8) | public PauseCommand(Player player) { this.player = player; }
    method execute (line 10) | @Override

FILE: solutions/java/src/musicstreamingservice/command/PlayCommand.java
  class PlayCommand (line 5) | public class PlayCommand implements Command {
    method PlayCommand (line 8) | public PlayCommand(Player player) { this.player = player; }
    method execute (line 10) | @Override

FILE: solutions/java/src/musicstreamingservice/entities/Album.java
  class Album (line 6) | public class Album implements Playable {
    method Album (line 10) | public Album(String title) {
    method addTrack (line 13) | public void addTrack(Song song) { tracks.add(song); }
    method getTracks (line 15) | @Override
    method getTitle (line 18) | public String getTitle() { return title; }

FILE: solutions/java/src/musicstreamingservice/entities/Artist.java
  class Artist (line 8) | public class Artist extends Subject {
    method Artist (line 13) | public Artist(String id, String name) {
    method releaseAlbum (line 17) | public void releaseAlbum(Album album) {
    method getId (line 23) | public String getId() { return id; }
    method getName (line 24) | public String getName() { return name; }

FILE: solutions/java/src/musicstreamingservice/entities/Playable.java
  type Playable (line 5) | public interface Playable {
    method getTracks (line 6) | List<Song> getTracks();

FILE: solutions/java/src/musicstreamingservice/entities/Player.java
  class Player (line 10) | public class Player {
    method Player (line 18) | public Player() {
    method load (line 23) | public void load(Playable playable, User user) {
    method playCurrentSongInQueue (line 31) | public void playCurrentSongInQueue() {
    method clickPlay (line 39) | public void clickPlay() { state.play(this); }
    method clickPause (line 40) | public void clickPause() { state.pause(this); }
    method clickNext (line 42) | public void clickNext() {
    method changeState (line 53) | public void changeState(PlayerState state) { this.state = state; }
    method setStatus (line 54) | public void setStatus(PlayerStatus status) { this.status = status; }
    method setCurrentSong (line 55) | public void setCurrentSong(Song song) { this.currentSong = song; }
    method hasQueue (line 56) | public boolean hasQueue() { return !queue.isEmpty(); }

FILE: solutions/java/src/musicstreamingservice/entities/Playlist.java
  class Playlist (line 6) | public class Playlist implements Playable {
    method Playlist (line 10) | public Playlist(String name) { this.name = name; }
    method addTrack (line 12) | public void addTrack(Song song) { tracks.add(song); }
    method getTracks (line 14) | @Override

FILE: solutions/java/src/musicstreamingservice/entities/Song.java
  class Song (line 6) | public class Song implements Playable {
    method Song (line 12) | public Song(String id, String title, Artist artist, int durationInSeco...
    method getTracks (line 19) | @Override
    method toString (line 24) | @Override
    method getId (line 29) | public String getId() { return id; }
    method getTitle (line 30) | public String getTitle() { return title; }
    method getArtist (line 31) | public Artist getArtist() { return artist; }

FILE: solutions/java/src/musicstreamingservice/entities/User.java
  class User (line 11) | public class User implements ArtistObserver {
    method User (line 17) | private User(String id, String name, PlaybackStrategy strategy) {
    method followArtist (line 23) | public void followArtist(Artist artist) {
    method update (line 28) | @Override
    method getPlaybackStrategy (line 34) | public PlaybackStrategy getPlaybackStrategy() { return playbackStrateg...
    method getId (line 36) | public String getId() { return id; }
    method getName (line 37) | public String getName() { return name; }
    class Builder (line 40) | public static class Builder {
      method Builder (line 45) | public Builder(String name) {
      method withSubscription (line 49) | public Builder withSubscription(SubscriptionTier tier, int songsPlay...
      method build (line 53) | public User build() {

FILE: solutions/java/src/musicstreamingservice/enums/PlayerStatus.java
  type PlayerStatus (line 3) | public enum PlayerStatus {

FILE: solutions/java/src/musicstreamingservice/enums/SubscriptionTier.java
  type SubscriptionTier (line 3) | public enum SubscriptionTier {

FILE: solutions/java/src/musicstreamingservice/observer/ArtistObserver.java
  type ArtistObserver (line 6) | public interface ArtistObserver {
    method update (line 7) | void update(Artist artist, Album newAlbum);

FILE: solutions/java/src/musicstreamingservice/observer/Subject.java
  class Subject (line 9) | public abstract class Subject {
    method addObserver (line 12) | public void addObserver(ArtistObserver observer) { observers.add(obser...
    method removeObserver (line 14) | public void removeObserver(ArtistObserver observer) { observers.remove...
    method notifyObservers (line 16) | public void notifyObservers(Artist artist, Album album) {

FILE: solutions/java/src/musicstreamingservice/services/RecommendationService.java
  class RecommendationService (line 8) | public class RecommendationService {
    method RecommendationService (line 11) | public RecommendationService(RecommendationStrategy strategy) { this.s...
    method setStrategy (line 13) | public void setStrategy(RecommendationStrategy strategy) { this.strate...
    method generateRecommendations (line 15) | public List<Song> generateRecommendations(List<Song> allSongs) {

FILE: solutions/java/src/musicstreamingservice/services/SearchService.java
  class SearchService (line 9) | public class SearchService {
    method searchSongsByTitle (line 10) | public List<Song> searchSongsByTitle(List<Song> songs, String query) {
    method searchArtistsByName (line 15) | public List<Artist> searchArtistsByName(List<Artist> artists, String q...

FILE: solutions/java/src/musicstreamingservice/state/PausedState.java
  class PausedState (line 6) | public class PausedState implements PlayerState {
    method play (line 7) | @Override
    method pause (line 14) | @Override
    method stop (line 17) | @Override

FILE: solutions/java/src/musicstreamingservice/state/PlayerState.java
  type PlayerState (line 5) | public interface PlayerState {
    method play (line 6) | void play(Player player);
    method pause (line 7) | void pause(Player player);
    method stop (line 8) | void stop(Player player);

FILE: solutions/java/src/musicstreamingservice/state/PlayingState.java
  class PlayingState (line 6) | public class PlayingState implements PlayerState {
    method play (line 7) | @Override
    method pause (line 10) | @Override
    method stop (line 17) | @Override

FILE: solutions/java/src/musicstreamingservice/state/StoppedState.java
  class StoppedState (line 6) | public class StoppedState implements PlayerState {
    method play (line 7) | @Override
    method pause (line 19) | @Override
    method stop (line 22) | @Override

FILE: solutions/java/src/musicstreamingservice/strategies/playback/FreePlaybackStrategy.java
  class FreePlaybackStrategy (line 6) | public class FreePlaybackStrategy implements PlaybackStrategy {
    method FreePlaybackStrategy (line 10) | public FreePlaybackStrategy(int initialSongsPlayed) {
    method play (line 14) | @Override

FILE: solutions/java/src/musicstreamingservice/strategies/playback/PlaybackStrategy.java
  type PlaybackStrategy (line 7) | public interface PlaybackStrategy {
    method play (line 8) | void play(Song song, Player player);
    method getStrategy (line 11) | static PlaybackStrategy getStrategy(SubscriptionTier tier, int songsPl...

FILE: solutions/java/src/musicstreamingservice/strategies/playback/PremiumPlaybackStrategy.java
  class PremiumPlaybackStrategy (line 6) | public class PremiumPlaybackStrategy implements PlaybackStrategy {
    method play (line 7) | @Override

FILE: solutions/java/src/musicstreamingservice/strategies/recommendation/GenreBasedRecommendationStrategy.java
  class GenreBasedRecommendationStrategy (line 9) | public class GenreBasedRecommendationStrategy implements RecommendationS...
    method recommend (line 11) | @Override

FILE: solutions/java/src/musicstreamingservice/strategies/recommendation/RecommendationStrategy.java
  type RecommendationStrategy (line 7) | public interface RecommendationStrategy {
    method recommend (line 8) | List<Song> recommend(List<Song> allSongs);

FILE: solutions/java/src/onlineauctionsystem/AuctionService.java
  class AuctionService (line 14) | public class AuctionService {
    method AuctionService (line 20) | private AuctionService() {
    method getInstance (line 26) | public static synchronized AuctionService getInstance() {
    method createUser (line 33) | public User createUser(String name) {
    method getUser (line 39) | public User getUser(String userId) {
    method createAuction (line 43) | public Auction createAuction(String itemName, String description, BigD...
    method viewActiveAuctions (line 56) | public List<Auction> viewActiveAuctions() {
    method placeBid (line 60) | public void placeBid(String auctionId, String bidderId, BigDecimal amo...
    method endAuction (line 65) | public void endAuction(String auctionId) {
    method getAuction (line 70) | public Auction getAuction(String auctionId) {
    method shutdown (line 78) | public void shutdown() {

FILE: solutions/java/src/onlineauctionsystem/AuctionSystemDemo.java
  class AuctionSystemDemo (line 9) | public class AuctionSystemDemo {
    method main (line 10) | public static void main(String[] args) {

FILE: solutions/java/src/onlineauctionsystem/entities/Auction.java
  class Auction (line 11) | public class Auction {
    method Auction (line 23) | public Auction(String itemName, String description, BigDecimal startin...
    method placeBid (line 36) | public synchronized void placeBid(User bidder, BigDecimal amount) {
    method endAuction (line 66) | public synchronized void endAuction() {
    method getHighestBid (line 86) | public Bid getHighestBid() {
    method isActive (line 93) | public boolean isActive() {
    method addObserver (line 99) | private void addObserver(AuctionObserver observer) {
    method notifyAllObservers (line 103) | private void notifyAllObservers(String message) {
    method notifyObserver (line 109) | private void notifyObserver(AuctionObserver observer, String message) {
    method getId (line 114) | public String getId() { return id; }
    method getItemName (line 115) | public String getItemName() { return itemName; }
    method getBidHistory (line 116) | public List<Bid> getBidHistory() { return Collections.unmodifiableList...
    method getState (line 117) | public AuctionStatus getState() { return state; }
    method getWinningBid (line 118) | public Bid getWinningBid() { return winningBid; }

FILE: solutions/java/src/onlineauctionsystem/entities/Bid.java
  class Bid (line 6) | public class Bid implements Comparable<Bid> {
    method Bid (line 11) | public Bid(User bidder, BigDecimal amount) {
    method getBidder (line 17) | public User getBidder() {
    method getAmount (line 21) | public BigDecimal getAmount() {
    method getTimestamp (line 25) | public LocalDateTime getTimestamp() {
    method compareTo (line 29) | @Override
    method toString (line 38) | @Override

FILE: solutions/java/src/onlineauctionsystem/entities/User.java
  class User (line 7) | public class User implements AuctionObserver {
    method User (line 11) | public User(String name) {
    method getId (line 16) | public String getId() {
    method getName (line 20) | public String getName() {
    method onUpdate (line 24) | @Override

FILE: solutions/java/src/onlineauctionsystem/enums/AuctionStatus.java
  type AuctionStatus (line 3) | public enum AuctionStatus {

FILE: solutions/java/src/onlineauctionsystem/observer/AuctionObserver.java
  type AuctionObserver (line 5) | public interface AuctionObserver {
    method onUpdate (line 6) | void onUpdate(Auction auction, String message);

FILE: solutions/java/src/onlineshoppingservice/OnlineShoppingDemo.java
  class OnlineShoppingDemo (line 9) | public class OnlineShoppingDemo {
    method main (line 10) | public static void main(String[] args) {

FILE: solutions/java/src/onlineshoppingservice/OnlineShoppingSystem.java
  class OnlineShoppingSystem (line 14) | public class OnlineShoppingSystem {
    method OnlineShoppingSystem (line 28) | private OnlineShoppingSystem() {
    method getInstance (line 35) | public static OnlineShoppingSystem getInstance() {
    method addProduct (line 47) | public void addProduct(Product product, int initialStock) {
    method registerCustomer (line 52) | public Customer registerCustomer(String name, String email, String pas...
    method addToCart (line 58) | public void addToCart(String customerId, String productId, int quantit...
    method getCustomerCart (line 64) | public ShoppingCart getCustomerCart(String customerId) {
    method searchProducts (line 69) | public List<Product> searchProducts(String name) {
    method placeOrder (line 73) | public Order placeOrder(String customerId, PaymentStrategy paymentStra...

FILE: solutions/java/src/onlineshoppingservice/decorator/GiftWrapDecorator.java
  class GiftWrapDecorator (line 5) | public class GiftWrapDecorator extends ProductDecorator {
    method GiftWrapDecorator (line 8) | public GiftWrapDecorator(Product product) {
    method getPrice (line 12) | @Override
    method getDescription (line 17) | @Override

FILE: solutions/java/src/onlineshoppingservice/decorator/ProductDecorator.java
  class ProductDecorator (line 6) | public abstract class ProductDecorator extends Product {
    method ProductDecorator (line 9) | public ProductDecorator(Product product) {
    method getId (line 13) | @Override public String getId() { return decoratedProduct.getId(); }
    method getName (line 15) | @Override public String getName() { return decoratedProduct.getName(); }
    method getPrice (line 17) | @Override public double getPrice() { return decoratedProduct.getPrice(...
    method getDescription (line 19) | @Override public String getDescription() { return decoratedProduct.get...
    method getCategory (line 21) | @Override public ProductCategory getCategory() { return decoratedProdu...

FILE: solutions/java/src/onlineshoppingservice/enums/OrderStatus.java
  type OrderStatus (line 3) | public enum OrderStatus {

FILE: solutions/java/src/onlineshoppingservice/enums/ProductCategory.java
  type ProductCategory (line 3) | public enum ProductCategory {

FILE: solutions/java/src/onlineshoppingservice/exceptions/OutOfStockException.java
  class OutOfStockException (line 3) | public class OutOfStockException extends RuntimeException {
    method OutOfStockException (line 4) | public OutOfStockException(String message) {

FILE: solutions/java/src/onlineshoppingservice/models/Account.java
  class Account (line 3) | public class Account {
    method Account (line 8) | public Account(String username, String password) {
    method getCart (line 13) | public ShoppingCart getCart() { return cart; }

FILE: solutions/java/src/onlineshoppingservice/models/Address.java
  class Address (line 3) | public class Address {
    method Address (line 9) | public Address(String street, String city, String state, String zipCod...
    method toString (line 16) | @Override

FILE: solutions/java/src/onlineshoppingservice/models/CartItem.java
  class CartItem (line 3) | public class CartItem {
    method CartItem (line 7) | public CartItem(Product product, int quantity) {
    method getProduct (line 12) | public Product getProduct() { return product; }
    method getQuantity (line 13) | public int getQuantity() { return quantity; }
    method incrementQuantity (line 14) | public void incrementQuantity(int amount) { this.quantity += amount; }
    method getPrice (line 15) | public double getPrice() { return product.getPrice() * quantity; }

FILE: solutions/java/src/onlineshoppingservice/models/Customer.java
  class Customer (line 7) | public class Customer implements OrderObserver {
    method Customer (line 14) | public Customer(String name, String email, String password, Address sh...
    method update (line 22) | @Override
    method getId (line 28) | public String getId() { return id; }
    method getName (line 29) | public String getName() { return name; }
    method getAccount (line 30) | public Account getAccount() { return account; }
    method getShippingAddress (line 31) | public Address getShippingAddress() { return shippingAddress; }
    method setShippingAddress (line 32) | public void setShippingAddress(Address address) { this.shippingAddress...

FILE: solutions/java/src/onlineshoppingservice/models/Order.java
  class Order (line 12) | public class Order extends Subject {
    method Order (line 22) | public Order(Customer customer, List<OrderLineItem> items, Address shi...
    method shipOrder (line 35) | public void shipOrder() { currentState.ship(this); }
    method deliverOrder (line 36) | public void deliverOrder() { currentState.deliver(this); }
    method cancelOrder (line 37) | public void cancelOrder() { currentState.cancel(this); }
    method getId (line 40) | public String getId() { return id; }
    method getStatus (line 41) | public OrderStatus getStatus() { return status; }
    method setState (line 42) | public void setState(OrderState state) { this.currentState = state; }
    method setStatus (line 43) | public void setStatus(OrderStatus status) {
    method getItems (line 47) | public List<OrderLineItem> getItems() { return items; }

FILE: solutions/java/src/onlineshoppingservice/models/OrderLineItem.java
  class OrderLineItem (line 3) | public class OrderLineItem {
    method OrderLineItem (line 9) | public OrderLineItem(String productId, String productName, int quantit...
    method getProductId (line 16) | public String getProductId() { return productId; }
    method getQuantity (line 17) | public int getQuantity() { return quantity; }

FILE: solutions/java/src/onlineshoppingservice/models/Product.java
  class Product (line 7) | public abstract class Product {
    method getId (line 14) | public abstract String getId();
    method getName (line 15) | public abstract String getName();
    method getDescription (line 16) | public abstract String getDescription();
    method getPrice (line 17) | public abstract double getPrice();
    method getCategory (line 18) | public abstract ProductCategory getCategory();
    class BaseProduct (line 21) | public static class BaseProduct extends Product {
      method BaseProduct (line 22) | private BaseProduct(String id, String name, String description, doub...
      method getId (line 29) | @Override public String getId() { return id; }
      method getName (line 30) | @Override public String getName() { return name; }
      method getDescription (line 31) | @Override public String getDescription() { return description; }
      method getPrice (line 32) | @Override public double getPrice() { return price; }
      method getCategory (line 33) | @Override public ProductCategory getCategory() { return category; }
    class Builder (line 37) | public static class Builder {
      method Builder (line 43) | public Builder(String name, double price) {
      method withDescription (line 47) | public Builder withDescription(String description) { this.descriptio...
      method withCategory (line 48) | public Builder withCategory(ProductCategory category) { this.categor...
      method build (line 49) | public Product build() {

FILE: solutions/java/src/onlineshoppingservice/models/ShoppingCart.java
  class ShoppingCart (line 6) | public class ShoppingCart {
    method addItem (line 9) | public void addItem(Product product, int quantity) {
    method removeItem (line 17) | public void removeItem(String productId) {
    method getItems (line 21) | public Map<String, CartItem> getItems() { return Map.copyOf(items); }
    method calculateTotal (line 23) | public double calculateTotal() {
    method clearCart (line 27) | public void clearCart() {

FILE: solutions/java/src/onlineshoppingservice/observer/OrderObserver.java
  type OrderObserver (line 5) | public interface OrderObserver {
    method update (line 6) | void update(Order order);

FILE: solutions/java/src/onlineshoppingservice/observer/Subject.java
  class Subject (line 8) | public abstract class Subject {
    method addObserver (line 11) | public void addObserver(OrderObserver observer) { observers.add(observ...
    method removeObserver (line 12) | public void removeObserver(OrderObserver observer) { observers.remove(...
    method notifyObservers (line 13) | public void notifyObservers(Order order) {

FILE: solutions/java/src/onlineshoppingservice/services/InventoryService.java
  class InventoryService (line 11) | public class InventoryService {
    method InventoryService (line 14) | public InventoryService() {
    method addStock (line 18) | public void addStock(Product product, int quantity) {
    method updateStockForOrder (line 22) | public synchronized void updateStockForOrder(List<OrderLineItem> items) {

FILE: solutions/java/src/onlineshoppingservice/services/OrderService.java
  class OrderService (line 11) | public class OrderService {
    method OrderService (line 14) | public OrderService(InventoryService inventoryService) {
    method createOrder (line 18) | public Order createOrder(Customer customer, ShoppingCart cart) {

FILE: solutions/java/src/onlineshoppingservice/services/PaymentService.java
  class PaymentService (line 5) | public class PaymentService {
    method processPayment (line 6) | public boolean processPayment(PaymentStrategy strategy, double amount) {

FILE: solutions/java/src/onlineshoppingservice/services/SearchService.java
  class SearchService (line 10) | public class SearchService {
    method SearchService (line 13) | public SearchService(Collection<Product> productCatalog) { this.produc...
    method searchByName (line 15) | public List<Product> searchByName(String name) {
    method searchByCategory (line 23) | public List<Product> searchByCategory(ProductCategory category) {

FILE: solutions/java/src/onlineshoppingservice/state/CancelledState.java
  class CancelledState (line 5) | public class CancelledState implements OrderState {
    method ship (line 6) | @Override
    method deliver (line 9) | @Override
    method cancel (line 12) | @Override

FILE: solutions/java/src/onlineshoppingservice/state/DeliveredState.java
  class DeliveredState (line 5) | public class DeliveredState implements OrderState {
    method ship (line 6) | @Override
    method deliver (line 9) | @Override
    method cancel (line 12) | @Override

FILE: solutions/java/src/onlineshoppingservice/state/OrderState.java
  type OrderState (line 5) | public interface OrderState {
    method ship (line 6) | void ship(Order order);
    method deliver (line 7) | void deliver(Order order);
    method cancel (line 8) | void cancel(Order order);

FILE: solutions/java/src/onlineshoppingservice/state/PlacedState.java
  class PlacedState (line 6) | public class PlacedState implements OrderState {
    method ship (line 7) | @Override
    method deliver (line 14) | @Override
    method cancel (line 17) | @Override

FILE: solutions/java/src/onlineshoppingservice/state/ShippedState.java
  class ShippedState (line 6) | public class ShippedState implements OrderState {
    method ship (line 7) | @Override
    method deliver (line 10) | @Override
    method cancel (line 17) | @Override

FILE: solutions/java/src/onlineshoppingservice/strategy/CreditCardPaymentStrategy.java
  class CreditCardPaymentStrategy (line 3) | public class CreditCardPaymentStrategy implements PaymentStrategy {
    method CreditCardPaymentStrategy (line 6) | public CreditCardPaymentStrategy(String cardNumber) { this.cardNumber ...
    method pay (line 8) | @Override

FILE: solutions/java/src/onlineshoppingservice/strategy/PaymentStrategy.java
  type PaymentStrategy (line 3) | public interface PaymentStrategy {
    method pay (line 4) | boolean pay(double amount);

FILE: solutions/java/src/onlineshoppingservice/strategy/UPIPaymentStrategy.java
  class UPIPaymentStrategy (line 3) | public class UPIPaymentStrategy implements PaymentStrategy{
    method UPIPaymentStrategy (line 6) | public UPIPaymentStrategy(String upiId) { this.upiId = upiId; }
    method pay (line 8) | @Override

FILE: solutions/java/src/onlinestockbrokeragesystem/BuyOrder.java
  class BuyOrder (line 3) | public class BuyOrder extends Order {
    method BuyOrder (line 4) | public BuyOrder(String orderId, Account account, Stock stock, int quan...
    method execute (line 8) | @Override

FILE: solutions/java/src/onlinestockbrokeragesystem/SellOrder.java
  class SellOrder (line 3) | public class SellOrder extends Order {
    method SellOrder (line 4) | public SellOrder(String orderId, Account account, Stock stock, int qua...
    method execute (line 8) | @Override

FILE: solutions/java/src/onlinestockbrokeragesystem/StockBrokerageSystem.java
  class StockBrokerageSystem (line 13) | public class StockBrokerageSystem {
    method StockBrokerageSystem (line 18) | private StockBrokerageSystem() {
    method getInstance (line 23) | public static StockBrokerageSystem getInstance() {
    method registerUser (line 34) | public User registerUser(String name, double initialAmount) {
    method addStock (line 40) | public Stock addStock(String symbol, double initialPrice) {
    method placeBuyOrder (line 46) | public void placeBuyOrder(Order order) {
    method placeSellOrder (line 52) | public void placeSellOrder(Order order) {
    method cancelOrder (line 58) | public void cancelOrder(Order order) {

FILE: solutions/java/src/onlinestockbrokeragesystem/StockBrokerageSystemDemo.java
  class StockBrokerageSystemDemo (line 8) | public class StockBrokerageSystemDemo {
    method main (line 9) | public static void main(String[] args) throws InterruptedException {
    method printAccountStatus (line 88) | private static void printAccountStatus(User user) {

FILE: solutions/java/src/onlinestockbrokeragesystem/StockExchange.java
  class StockExchange (line 16) | public class StockExchange {
    method StockExchange (line 21) | private StockExchange() {
    method getInstance (line 26) | public static StockExchange getInstance() {
    method placeBuyOrder (line 37) | public void placeBuyOrder(Order order) {
    method placeSellOrder (line 42) | public void placeSellOrder(Order order) {
    method matchOrders (line 47) | private void matchOrders(Stock stock) {
    method executeTrade (line 73) | private void executeTrade(Order buyOrder, Order sellOrder, double trad...
    method updateOrderStatus (line 99) | private void updateOrderStatus(Order order, int quantityTraded) {
    method findBestBuy (line 111) | private Order findBestBuy(List<Order> buys) {
    method findBestSell (line 118) | private Order findBestSell(List<Order> sells) {

FILE: solutions/java/src/onlinestockbrokeragesystem/command/BuyStockCommand.java
  class BuyStockCommand (line 9) | public class BuyStockCommand implements OrderCommand {
    method BuyStockCommand (line 14) | public BuyStockCommand(Account account, Order order) {
    method execute (line 20) | @Override

FILE: solutions/java/src/onlinestockbrokeragesystem/command/OrderCommand.java
  type OrderCommand (line 3) | public interface OrderCommand {
    method execute (line 4) | void execute();

FILE: solutions/java/src/onlinestockbrokeragesystem/command/SellStockCommand.java
  class SellStockCommand (line 8) | public class SellStockCommand implements OrderCommand {
    method SellStockCommand (line 13) | public SellStockCommand(Account account, Order order) {
    method execute (line 19) | @Override

FILE: solutions/java/src/onlinestockbrokeragesystem/entities/Account.java
  class Account (line 9) | public class Account {
    method Account (line 13) | public Account(double initialCash) {
    method debit (line 18) | public synchronized void debit(double amount) {
    method credit (line 25) | public synchronized void credit(double amount) {
    method addStock (line 29) | public synchronized void addStock(String symbol, int quantity) {
    method removeStock (line 33) | public synchronized void removeStock(String symbol, int quantity) {
    method getBalance (line 41) | public double getBalance() { return balance; }
    method getPortfolio (line 42) | public Map<String, Integer> getPortfolio() { return Map.copyOf(portfol...
    method getStockQuantity (line 43) | public int getStockQuantity(String symbol) { return portfolio.getOrDef...

FILE: solutions/java/src/onlinestockbrokeragesystem/entities/Order.java
  class Order (line 9) | public class Order {
    method Order (line 21) | public Order(String orderId, User user, Stock stock, OrderType type, i...
    method cancel (line 35) | public void cancel() {
    method getOrderId (line 40) | public String getOrderId() { return orderId; }
    method getUser (line 41) | public User getUser() { return user; }
    method getStock (line 42) | public Stock getStock() { return stock; }
    method getType (line 43) | public OrderType getType() { return type; }
    method getQuantity (line 44) | public int getQuantity() { return quantity; }
    method getPrice (line 45) | public double getPrice() { return price; }
    method getStatus (line 46) | public OrderStatus getStatus() { return status; }
    method getExecutionStrategy (line 47) | public ExecutionStrategy getExecutionStrategy() { return executionStra...
    method setState (line 50) | public void setState(OrderState state) {
    method setStatus (line 54) | public void setStatus(OrderStatus status) {
    method notifyOwner (line 59) | private void notifyOwner() {

FILE: solutions/java/src/onlinestockbrokeragesystem/entities/OrderBuilder.java
  class OrderBuilder (line 10) | public class OrderBuilder {
    method forUser (line 18) | public OrderBuilder forUser(User user) {
    method withStock (line 23) | public OrderBuilder withStock(Stock stock) {
    method buy (line 28) | public OrderBuilder buy(int quantity) {
    method sell (line 34) | public OrderBuilder sell(int quantity) {
    method atMarketPrice (line 40) | public OrderBuilder atMarketPrice() {
    method withLimit (line 46) | public OrderBuilder withLimit(double limitPrice) {
    method build (line 52) | public Order build() {

FILE: solutions/java/src/onlinestockbrokeragesystem/entities/Stock.java
  class Stock (line 8) | public class Stock {
    method Stock (line 13) | public Stock(String symbol, double initialPrice) {
    method getSymbol (line 18) | public String getSymbol() {
    method getPrice (line 22) | public double getPrice() {
    method setPrice (line 26) | public void setPrice(double newPrice) {
    method addObserver (line 33) | public void addObserver(StockObserver observer) {
    method removeObserver (line 37) | public void removeObserver(StockObserver observer) {
    method notifyObservers (line 41) | private void notifyObservers() {

FILE: solutions/java/src/onlinestockbrokeragesystem/entities/User.java
  class User (line 7) | public class User implements StockObserver {
    method User (line 12) | public User(String name, double initialCash) {
    method getUserId (line 18) | public String getUserId() { return userId; }
    method getName (line 19) | public String getName() { return name; }
    method getAccount (line 20) | public Account getAccount() { return account; }
    method update (line 22) | @Override
    method orderStatusUpdate (line 28) | public void orderStatusUpdate(Order order) {

FILE: solutions/java/src/onlinestockbrokeragesystem/enums/OrderStatus.java
  type OrderStatus (line 3) | public enum OrderStatus {

FILE: solutions/java/src/onlinestockbrokeragesystem/enums/OrderType.java
  type OrderType (line 3) | public enum OrderType {

FILE: solutions/java/src/onlinestockbrokeragesystem/enums/TransactionType.java
  type TransactionType (line 3) | public enum TransactionType {

FILE: solutions/java/src/onlinestockbrokeragesystem/exceptions/InsufficientFundsException.java
  class InsufficientFundsException (line 3) | public class InsufficientFundsException extends RuntimeException {
    method InsufficientFundsException (line 4) | public InsufficientFundsException(String message) {

FILE: solutions/java/src/onlinestockbrokeragesystem/exceptions/InsufficientStockException.java
  class InsufficientStockException (line 3) | public class InsufficientStockException extends RuntimeException {
    method InsufficientStockException (line 4) | public InsufficientStockException(String message) {

FILE: solutions/java/src/onlinestockbrokeragesystem/observer/StockObserver.java
  type StockObserver (line 5) | public interface StockObserver {
    method update (line 6) | void update(Stock stock);

FILE: solutions/java/src/onlinestockbrokeragesystem/state/CancelledState.java
  class CancelledState (line 5) | public class CancelledState implements OrderState {
    method handle (line 6) | @Override
    method cancel (line 11) | @Override

FILE: solutions/java/src/onlinestockbrokeragesystem/state/FilledState.java
  class FilledState (line 5) | public class FilledState implements OrderState {
    method handle (line 6) | @Override
    method cancel (line 11) | @Override

FILE: solutions/java/src/onlinestockbrokeragesystem/state/OpenState.java
  class OpenState (line 6) | public class OpenState implements OrderState {
    method handle (line 7) | @Override
    method cancel (line 12) | @Override

FILE: solutions/java/src/onlinestockbrokeragesystem/state/OrderState.java
  type OrderState (line 5) | public interface OrderState {
    method handle (line 6) | void handle(Order order);
    method cancel (line 7) | void cancel(Order order);

FILE: solutions/java/src/onlinestockbrokeragesystem/strategy/ExecutionStrategy.java
  type ExecutionStrategy (line 5) | public interface ExecutionStrategy {
    method canExecute (line 6) | boolean canExecute(Order order, double marketPrice);

FILE: solutions/java/src/onlinestockbrokeragesystem/strategy/LimitOrderStrategy.java
  class LimitOrderStrategy (line 6) | public class LimitOrderStrategy implements ExecutionStrategy {
    method LimitOrderStrategy (line 9) | public LimitOrderStrategy(TransactionType type) {
    method canExecute (line 13) | @Override

FILE: solutions/java/src/onlinestockbrokeragesystem/strategy/MarketOrderStrategy.java
  class MarketOrderStrategy (line 5) | public class MarketOrderStrategy implements ExecutionStrategy {
    method canExecute (line 6) | @Override

FILE: solutions/java/src/parkinglot/ParkingLot.java
  class ParkingLot (line 15) | public class ParkingLot {
    method ParkingLot (line 22) | private ParkingLot() {
    method getInstance (line 28) | public static synchronized ParkingLot getInstance() {
    method addFloor (line 35) | public void addFloor(ParkingFloor floor) {
    method setFeeStrategy (line 39) | public void setFeeStrategy (FeeStrategy feeStrategy) {
    method setParkingStrategy (line 43) | public void setParkingStrategy(ParkingStrategy parkingStrategy) {
    method parkVehicle (line 47) | public Optional<ParkingTicket> parkVehicle(Vehicle vehicle) {
    method unparkVehicle (line 63) | public Optional<Double> unparkVehicle(String licenseNumber) {

FILE: solutions/java/src/parkinglot/ParkingLotDemo.java
  class ParkingLotDemo (line 11) | public class ParkingLotDemo {
    method main (line 12) | public static void main(String[] args) {

FILE: solutions/java/src/parkinglot/entities/ParkingFloor.java
  class ParkingFloor (line 12) | public class ParkingFloor {
    method ParkingFloor (line 16) | public ParkingFloor(int floorNumber) {
    method addSpot (line 21) | public void addSpot(ParkingSpot spot) {
    method findAvailableSpot (line 25) | public synchronized Optional<ParkingSpot> findAvailableSpot(Vehicle ve...
    method displayAvailability (line 32) | public void displayAvailability() {

FILE: solutions/java/src/parkinglot/entities/ParkingSpot.java
  class ParkingSpot (line 6) | public class ParkingSpot {
    method ParkingSpot (line 12) | public ParkingSpot(String spotId, VehicleSize spotSize) {
    method getSpotId (line 19) | public String getSpotId() {
    method getSpotSize (line 23) | public VehicleSize getSpotSize() {
    method isAvailable (line 27) | public synchronized boolean isAvailable() {
    method isOccupied (line 31) | public boolean isOccupied() {
    method parkVehicle (line 35) | public synchronized void parkVehicle(Vehicle vehicle) {
    method unparkVehicle (line 40) | public synchronized void unparkVehicle() {
    method canFitVehicle (line 45) | public boolean canFitVehicle(Vehicle vehicle) {

FILE: solutions/java/src/parkinglot/entities/ParkingTicket.java
  class ParkingTicket (line 8) | public class ParkingTicket {
    method ParkingTicket (line 15) | public ParkingTicket(Vehicle vehicle, ParkingSpot spot) {
    method getTicketId (line 22) | public String getTicketId() { return ticketId; }
    method getVehicle (line 23) | public Vehicle getVehicle() { return vehicle; }
    method getSpot (line 24) | public ParkingSpot getSpot() { return spot; }
    method getEntryTimestamp (line 25) | public long getEntryTimestamp() { return entryTimestamp; }
    method getExitTimestamp (line 26) | public long getExitTimestamp() { return exitTimestamp; }
    method setExitTimestamp (line 28) | public void setExitTimestamp() {

FILE: solutions/java/src/parkinglot/strategy/fee/FeeStrategy.java
  type FeeStrategy (line 5) | public interface FeeStrategy {
    method calculateFee (line 6) | double calculateFee(ParkingTicket parkingTicket);

FILE: solutions/java/src/parkinglot/strategy/fee/FlatRateFeeStrategy.java
  class FlatRateFeeStrategy (line 5) | public class FlatRateFeeStrategy implements FeeStrategy {
    method calculateFee (line 9) | @Override

FILE: solutions/java/src/parkinglot/strategy/fee/VehicleBasedFeeStrategy.java
  class VehicleBasedFeeStrategy (line 8) | public class VehicleBasedFeeStrategy implements FeeStrategy {
    method calculateFee (line 15) | @Override

FILE: solutions/java/src/parkinglot/strategy/parking/BestFitStrategy.java
  class BestFitStrategy (line 10) | public class BestFitStrategy implements ParkingStrategy {
    method findSpot (line 11) | @Override

FILE: solutions/java/src/parkinglot/strategy/parking/FarthestFirstStrategy.java
  class FarthestFirstStrategy (line 12) | public class FarthestFirstStrategy implements ParkingStrategy {
    method findSpot (line 13) | @Override

FILE: solutions/java/src/parkinglot/strategy/parking/NearestFirstStrategy.java
  class NearestFirstStrategy (line 10) | public class NearestFirstStrategy implements ParkingStrategy {
    method findSpot (line 11) | @Override

FILE: solutions/java/src/parkinglot/strategy/parking/ParkingStrategy.java
  type ParkingStrategy (line 10) | public interface ParkingStrategy {
    method findSpot (line 11) | Optional<ParkingSpot> findSpot(List<ParkingFloor> floors, Vehicle vehi...

FILE: solutions/java/src/parkinglot/vehicle/Bike.java
  class Bike (line 3) | public class Bike extends Vehicle {
    method Bike (line 4) | public Bike(String licenseNumber) {

FILE: solutions/java/src/parkinglot/vehicle/Car.java
  class Car (line 3) | public class Car extends Vehicle {
    method Car (line 4) | public Car(String licenseNumber) {

FILE: solutions/java/src/parkinglot/vehicle/Truck.java
  class Truck (line 3) | public class Truck extends Vehicle {
    method Truck (line 4) | public Truck(String licenseNumber) {

FILE: solutions/java/src/parkinglot/vehicle/Vehicle.java
  class Vehicle (line 3) | public abstract class Vehicle {
    method Vehicle (line 7) | public Vehicle(String licenseNumber, VehicleSize size) {
    method getLicenseNumber (line 12) | public String getLicenseNumber() { return licenseNumber; }
    method getSize (line 13) | public VehicleSize getSize() {

FILE: solutions/java/src/parkinglot/vehicle/VehicleSize.java
  type VehicleSize (line 3) | public enum VehicleSize {

FILE: solutions/java/src/pubsubsystem/PubSubDemo.java
  class PubSubDemo (line 8) | public class PubSubDemo {
    method main (line 9) | public static void main(String[] args) throws InterruptedException {

FILE: solutions/java/src/pubsubsystem/PubSubService.java
  class PubSubService (line 13) | public class PubSubService {
    method PubSubService (line 18) | private PubSubService() {
    method getInstance (line 24) | public static PubSubService getInstance() {
    method createTopic (line 28) | public void createTopic(String topicName) {
    method subscribe (line 33) | public void subscribe(String topicName, Subscriber subscriber) {
    method unsubscribe (line 41) | public void unsubscribe(String topicName, Subscriber subscriber) {
    method publish (line 48) | public void publish(String topicName, Message message) {
    method shutdown (line 55) | public void shutdown() {

FILE: solutions/java/src/pubsubsystem/entities/Message.java
  class Message (line 5) | public class Message {
    method Message (line 9) | public Message(String payload) {
    method getPayload (line 14) | public String getPayload() {
    method toString (line 18) | @Override

FILE: solutions/java/src/pubsubsystem/entities/Topic.java
  class Topic (line 9) | public class Topic {
    method Topic (line 14) | public Topic(String name, ExecutorService deliveryExecutor) {
    method getName (line 20) | public String getName() {
    method addSubscriber (line 24) | public void addSubscriber(Subscriber subscriber) {
    method removeSubscriber (line 28) | public void removeSubscriber(Subscriber subscriber) {
    method broadcast (line 32) | public void broadcast(Message message) {

FILE: solutions/java/src/pubsubsystem/subscriber/AlertSubscriber.java
  class AlertSubscriber (line 5) | public class AlertSubscriber implements Subscriber {
    method AlertSubscriber (line 8) | public AlertSubscriber(String id) {
    method getId (line 12) | @Override
    method onMessage (line 17) | @Override

FILE: solutions/java/src/pubsubsystem/subscriber/NewsSubscriber.java
  class NewsSubscriber (line 5) | public class NewsSubscriber implements Subscriber {
    method NewsSubscriber (line 8) | public NewsSubscriber(String id) {
    method getId (line 12) | @Override
    method onMessage (line 17) | @Override

FILE: solutions/java/src/pubsubsystem/subscriber/Subscriber.java
  type Subscriber (line 5) | public interface Subscriber {
    method getId (line 6) | String getId();
    method onMessage (line 7) | void onMessage(Message message);

FILE: solutions/java/src/restaurantmanagementsystem/RestaurantManagementSystem.java
  class RestaurantManagementSystem (line 12) | public class RestaurantManagementSystem {
    method RestaurantManagementSystem (line 21) | private RestaurantManagementSystem() {
    method getInstance (line 30) | public static synchronized RestaurantManagementSystem getInstance() {
    method addMenuItem (line 37) | public MenuItem addMenuItem(String name, double price) {
    method removeMenuItem (line 43) | public void removeMenuItem(String itemName) {
    method getMenu (line 47) | public List<MenuItem> getMenu() {
    method addTable (line 51) | public void addTable(int tableId, int capacity) {
    method reserveTable (line 55) | public Table reserveTable(int tableId) {
    method placeOrder (line 64) | public Order placeOrder(int tableId, List<OrderItem> items) {
    method markOrderPreparing (line 75) | public void markOrderPreparing(String orderId) {
    method markOrderReady (line 81) | public void markOrderReady(String orderId) {
    method markOrderServed (line 87) | public void markOrderServed(String orderId) {
    method getBill (line 92) | public Bill getBill(String orderId) {
    method makePayment (line 100) | public void makePayment(Bill bill, Payment payment) {
    method makeReservation (line 111) | public Reservation makeReservation(String customerName, String contact...
    method cancelReservation (line 117) | public void cancelReservation(Reservation reservation) {
    method addStaff (line 121) | public void addStaff(Staff staff) {
    method removeStaff (line 125) | public void removeStaff(Staff staff) {
    method notifyKitchen (line 129) | private void notifyKitchen(Order order) {
    method notifyStaff (line 134) | private void notifyStaff(Order order) {

FILE: solutions/java/src/restaurantmanagementsystem/RestaurantManagementSystemDemo.java
  class RestaurantManagementSystemDemo (line 8) | public class RestaurantManagementSystemDemo {
    method run (line 9) | public static void run() {

FILE: solutions/java/src/restaurantmanagementsystem/RestaurantManagementSystemFacade.java
  class RestaurantManagementSystemFacade (line 14) | public class RestaurantManagementSystemFacade {
    method RestaurantManagementSystemFacade (line 20) | private RestaurantManagementSystemFacade() {
    method getInstance (line 25) | public static synchronized RestaurantManagementSystemFacade getInstanc...
    method addTable (line 32) | public Table addTable(int id, int capacity) {
    method addWaiter (line 38) | public Waiter addWaiter(String id, String name) {
    method addChef (line 44) | public Chef addChef(String id, String name) {
    method addMenuItem (line 50) | public MenuItem addMenuItem(String id, String name, double price) {
    method takeOrder (line 56) | public Order takeOrder(int tableId, String waiterId, List<String> menu...
    method markItemsAsReady (line 83) | public void markItemsAsReady(int orderId) {
    method serveOrder (line 93) | public void serveOrder(String waiterId, int orderId) {
    method generateBill (line 101) | public Bill generateBill(int orderId) {

FILE: solutions/java/src/restaurantmanagementsystem/command/Command.java
  type Command (line 3) | public interface Command {
    method execute (line 4) | void execute();

FILE: solutions/java/src/restaurantmanagementsystem/command/PrepareOrderCommand.java
  class PrepareOrderCommand (line 6) | public class PrepareOrderCommand implements Command {
    method PrepareOrderCommand (line 10) | public PrepareOrderCommand(Order order, Chef chef) {
    method execute (line 15) | @Override

FILE: solutions/java/src/restaurantmanagementsystem/command/ServeOrderCommand.java
  class ServeOrderCommand (line 6) | public class ServeOrderCommand implements Command{
    method ServeOrderCommand (line 10) | public ServeOrderCommand(Order order, Waiter waiter) {
    method execute (line 15) | @Override

FILE: solutions/java/src/restaurantmanagementsystem/decorator/BaseBill.java
  class BaseBill (line 5) | public class BaseBill implements BillComponent {
    method BaseBill (line 7) | public BaseBill(Order order) { this.order = order; }
    method calculateTotal (line 9) | @Override
    method getDescription (line 12) | @Override

FILE: solutions/java/src/restaurantmanagementsystem/decorator/Bill.java
  class Bill (line 3) | public class Bill {
    method Bill (line 6) | public Bill(BillComponent component) {
    method printBill (line 10) | public void printBill() {

FILE: solutions/java/src/restaurantmanagementsystem/decorator/BillComponent.java
  type BillComponent (line 3) | public interface BillComponent {
    method calculateTotal (line 4) | double calculateTotal();
    method getDescription (line 5) | String getDescription();

FILE: solutions/java/src/restaurantmanagementsystem/decorator/BillDecorator.java
  class BillDecorator (line 3) | public abstract class BillDecorator implements BillComponent {
    method BillDecorator (line 6) | public BillDecorator(BillComponent component) {
    method calculateTotal (line 10) | @Override
    method getDescription (line 15) | @Override

FILE: solutions/java/src/restaurantmanagementsystem/decorator/ServiceChargeDecorator.java
  class ServiceChargeDecorator (line 3) | public class ServiceChargeDecorator extends BillDecorator {
    method ServiceChargeDecorator (line 6) | public ServiceChargeDecorator(BillComponent component, double charge) {
    method calculateTotal (line 11) | @Override
    method getDescription (line 16) | @Override

FILE: solutions/java/src/restaurantmanagementsystem/decorator/TaxDecorator.java
  class TaxDecorator (line 3) | public class TaxDecorator extends BillDecorator {
    method TaxDecorator (line 6) | public TaxDecorator(BillComponent component, double taxRate) {
    method calculateTotal (line 11) | @Override
    method getDescription (line 16) | @Override

FILE: solutions/java/src/restaurantmanagementsystem/enums/TableStatus.java
  type TableStatus (line 3) | public enum TableStatus {

FILE: solutions/java/src/restaurantmanagementsystem/model/Chef.java
  class Chef (line 5) | public class Chef extends Staff {
    method Chef (line 6) | public Chef(String id, String name) {
    method prepareOrder (line 10) | public void prepareOrder(Order order) {

FILE: solutions/java/src/restaurantmanagementsystem/model/Menu.java
  class Menu (line 6) | public class Menu {
    method addItem (line 9) | public void addItem(MenuItem item) {
    method getItem (line 13) | public MenuItem getItem(String id) {

FILE: solutions/java/src/restaurantmanagementsystem/model/MenuItem.java
  class MenuItem (line 3) | public class MenuItem {
    method MenuItem (line 8) | public MenuItem(String id, String name, double price) {
    method getId (line 14) | public String getId() { return id; }
    method getName (line 15) | public String getName() { return name; }
    method getPrice (line 16) | public double getPrice() { return price; }

FILE: solutions/java/src/restaurantmanagementsystem/model/Order.java
  class Order (line 6) | public class Order {
    method Order (line 11) | public Order(int orderId, int tableId) {
    method addItem (line 16) | public void addItem(OrderItem item) {
    method getTotalPrice (line 20) | public double getTotalPrice() {
    method getOrderId (line 26) | public int getOrderId() { return orderId; }
    method getTableId (line 27) | public int getTableId() { return tableId; }
    method getOrderItems (line 28) | public List<OrderItem> getOrderItems() { return items; }

FILE: solutions/java/src/restaurantmanagementsystem/model/OrderItem.java
  class OrderItem (line 10) | public class OrderItem {
    method OrderItem (line 16) | public OrderItem(MenuItem menuItem, Order order) {
    method changeState (line 22) | public void changeState(OrderItemState newState) {
    method nextState (line 27) | public void nextState() {
    method setState (line 31) | public void setState(OrderItemState state) {
    method addObserver (line 35) | public void addObserver(OrderObserver observer) {
    method notifyObservers (line 39) | public void notifyObservers() {
    method getMenuItem (line 43) | public MenuItem getMenuItem() { return menuItem; }
    method getOrder (line 44) | public Order getOrder() { return order; }

FILE: solutions/java/src/restaurantmanagementsystem/model/Restaurant.java
  class Restaurant (line 7) | public class Restaurant {
    method Restaurant (line 14) | private Restaurant() {}
    method getInstance (line 16) | public static Restaurant getInstance() {
    method addWaiter (line 20) | public void addWaiter(Waiter waiter) { waiters.put(waiter.getId(), wai...
    method getWaiter (line 21) | public Waiter getWaiter(String id) { return waiters.get(id); }
    method addChef (line 23) | public void addChef(Chef chef) { chefs.put(chef.getId(), chef); }
    method getChef (line 24) | public Chef getChef(String id) { return chefs.get(id); }
    method getChefs (line 26) | public List<Chef> getChefs() {
    method getWaiters (line 30) | public List<Waiter> getWaiters() {
    method addTable (line 34) | public void addTable(Table table) { tables.put(table.getId(), table); }
    method getMenu (line 36) | public Menu getMenu() { return menu; }

FILE: solutions/java/src/restaurantmanagementsystem/model/Staff.java
  class Staff (line 3) | public abstract class Staff {
    method Staff (line 7) | public Staff(String id, String name) {
    method getId (line 12) | public String getId() { return id; }
    method getName (line 13) | public String getName() { return name; }

FILE: solutions/java/src/restaurantmanagementsystem/model/Table.java
  class Table (line 5) | public class Table {
    method Table (line 10) | public Table(int id, int capacity) {
    method getId (line 16) | public int getId() { return id; }
    method getCapacity (line 17) | public int getCapacity() { return capacity; }
    method getStatus (line 18) | public TableStatus getStatus() { return status; }
    method setStatus (line 19) | public void setStatus(TableStatus status) { this.status = status; }

FILE: solutions/java/src/restaurantmanagementsystem/model/Waiter.java
  class Waiter (line 6) | public class Waiter extends Staff implements OrderObserver {
    method Waiter (line 7) | public Waiter(String id, String name) {
    method serveOrder (line 11) | public void serveOrder(Order order) {
    method update (line 18) | @Override

FILE: solutions/java/src/restaurantmanagementsystem/observer/OrderObserver.java
  type OrderObserver (line 5) | public interface OrderObserver {
    method update (line 6) | void update(OrderItem item);

FILE: solutions/java/src/restaurantmanagementsystem/state/OrderItemState.java
  type OrderItemState (line 5) | public interface OrderItemState {
    method next (line 6) | void next(OrderItem item);
    method prev (line 7) | void prev(OrderItem item);
    method getStatus (line 8) | String getStatus();

FILE: solutions/java/src/restaurantmanagementsystem/state/OrderedState.java
  class OrderedState (line 5) | public class OrderedState implements OrderItemState {
    method next (line 6) | @Override
    method prev (line 11) | @Override
    method getStatus (line 16) | @Override

FILE: solutions/java/src/restaurantmanagementsystem/state/PreparingState.java
  class PreparingState (line 5) | public class PreparingState implements OrderItemState {
    method next (line 6) | @Override
    method prev (line 11) | @Override
    method getStatus (line 16) | @Override

FILE: solutions/java/src/restaurantmanagementsystem/state/ReadyForPickupState.java
  class ReadyForPickupState (line 5) | public class ReadyForPickupState implements OrderItemState {
    method next (line 6) | @Override
    method prev (line 12) | @Override
    method getStatus (line 17) | @Override

FILE: solutions/java/src/restaurantmanagementsystem/state/ServedState.java
  class ServedState (line 5) | public class ServedState implements OrderItemState {
    method next (line 6) | @Override
    method prev (line 11) | @Override
    method getStatus (line 16) | @Override

FILE: solutions/java/src/ridesharingservice/RideSharingService.java
  class RideSharingService (line 18) | public class RideSharingService {
    method RideSharingService (line 26) | private RideSharingService() {}
    method getInstance (line 28) | public static synchronized RideSharingService getInstance() {
    method setPricingStrategy (line 36) | public void setPricingStrategy(PricingStrategy pricingStrategy) {
    method setDriverMatchingStrategy (line 40) | public void setDriverMatchingStrategy(DriverMatchingStrategy driverMat...
    method registerRider (line 44) | public Rider registerRider(String name, String contact) {
    method registerDriver (line 50) | public Driver registerDriver(String name, String contact, Vehicle vehi...
    method requestRide (line 56) | public Trip requestRide(String riderId, Location pickup, Location drop...
    method acceptRide (line 97) | public void acceptRide(String driverId, String tripId) {
    method startTrip (line 109) | public void startTrip(String tripId) {
    method endTrip (line 117) | public void endTrip(String tripId) {

FILE: solutions/java/src/ridesharingservice/RideSharingServiceDemo.java
  class RideSharingServiceDemo (line 13) | public class RideSharingServiceDemo {
    method main (line 14) | public static void main(String[] args) {

FILE: solutions/java/src/ridesharingservice/entities/Driver.java
  class Driver (line 6) | public class Driver extends User {
    method Driver (line 11) | public Driver(String name, String contact, Vehicle vehicle, Location i...
    method getVehicle (line 18) | public Vehicle getVehicle() {
    method getStatus (line 22) | public DriverStatus getStatus() {
    method setStatus (line 26) | public void setStatus(DriverStatus status) {
    method getCurrentLocation (line 31) | public Location getCurrentLocation() {
    method setCurrentLocation (line 35) | public void setCurrentLocation(Location currentLocation) {
    method onUpdate (line 39) | @Override public void onUpdate(Trip trip) {

FILE: solutions/java/src/ridesharingservice/entities/Location.java
  class Location (line 3) | public class Location {
    method Location (line 7) | public Location(double latitude, double longitude) {
    method distanceTo (line 12) | public double distanceTo(Location other) {
    method toString (line 18) | @Override

FILE: solutions/java/src/ridesharingservice/entities/Trip.java
  class Trip (line 14) | public class Trip {
    method Trip (line 26) | private Trip(TripBuilder builder) {
    method addObserver (line 36) | public void addObserver(TripObserver observer) {
    method notifyObservers (line 40) | private void notifyObservers() {
    method assignDriver (line 44) | public void assignDriver(Driver driver) {
    method startTrip (line 50) | public void startTrip() {
    method endTrip (line 55) | public void endTrip() {
    method getId (line 61) | public String getId() { return id; }
    method getRider (line 62) | public Rider getRider() { return rider; }
    method getDriver (line 63) | public Driver getDriver() { return driver; }
    method getPickupLocation (line 64) | public Location getPickupLocation() { return pickupLocation; }
    method getDropoffLocation (line 65) | public Location getDropoffLocation() { return dropoffLocation; }
    method getFare (line 66) | public double getFare() { return fare; }
    method getStatus (line 67) | public TripStatus getStatus() { return status; }
    method setState (line 70) | public void setState(TripState state) {
    method setStatus (line 74) | public void setStatus(TripStatus status) {
    method setDriver (line 78) | public void setDriver(Driver driver) {
    class TripBuilder (line 83) | public static class TripBuilder {
      method TripBuilder (line 90) | public TripBuilder() {
      method withRider (line 94) | public TripBuilder withRider(Rider rider) {
      method withPickupLocation (line 99) | public TripBuilder withPickupLocation(Location pickupLocation) {
      method withDropoffLocation (line 104) | public TripBuilder withDropoffLocation(Location dropoffLocation) {
      method withFare (line 109) | public TripBuilder withFare(double fare) {
      method build (line 114) | public Trip build() {
    method toString (line 123) | @Override

FILE: solutions/java/src/ridesharingservice/entities/User.java
  class User (line 9) | public abstract class User implements TripObserver {
    method User (line 15) | public User(String name, String contact) {
    method addTripToHistory (line 22) | public void addTripToHistory(Trip trip) {
    method getTripHistory (line 26) | public List<Trip> getTripHistory() {
    method getId (line 30) | public String getId() {
    method getName (line 34) | public String getName() {
    method getContact (line 38) | public String getContact() {

FILE: solutions/java/src/ridesharingservice/entities/Vehicle.java
  class Vehicle (line 5) | public class Vehicle {
    method Vehicle (line 10) | public Vehicle(String licenseNumber, String model, RideType type) {
    method getLicenseNumber (line 16) | public String getLicenseNumber() { return licenseNumber; }
    method getModel (line 18) | public String getModel() { return model; }
    method getType (line 20) | public RideType getType() { return type; }

FILE: solutions/java/src/ridesharingservice/enums/DriverStatus.java
  type DriverStatus (line 3) | public enum DriverStatus {

FILE: solutions/java/src/ridesharingservice/enums/RideType.java
  type RideType (line 3) | public enum RideType {

FILE: solutions/java/src/ridesharingservice/enums/TripStatus.java
  type TripStatus (line 3) | public enum TripStatus {

FILE: solutions/java/src/ridesharingservice/observer/Rider.java
  class Rider (line 6) | public class Rider extends User {
    method Rider (line 7) | public Rider(String name, String contact) {
    method onUpdate (line 11) | @Override

FILE: solutions/java/src/ridesharingservice/observer/TripObserver.java
  type TripObserver (line 5) | public interface TripObserver {
    method onUpdate (line 6) | void onUpdate(Trip trip);

FILE: solutions/java/src/ridesharingservice/state/AssignedState.java
  class AssignedState (line 7) | public class AssignedState implements TripState {
    method request (line 8) | @Override
    method assign (line 13) | @Override
    method start (line 18) | @Override
    method end (line 24) | @Override

FILE: solutions/java/src/ridesharingservice/state/CompletedState.java
  class CompletedState (line 6) | public class CompletedState implements TripState {
    method request (line 7) | @Override
    method assign (line 12) | @Override
    method start (line 17) | @Override
    method end (line 22) | @Override

FILE: solutions/java/src/ridesharingservice/state/InProgressState.java
  class InProgressState (line 7) | public class InProgressState implements TripState {
    method request (line 8) | @Override
    method assign (line 13) | @Override
    method start (line 18) | @Override
    method end (line 23) | @Override

FILE: solutions/java/src/ridesharingservice/state/RequestedState.java
  class RequestedState (line 7) | public class RequestedState implements TripState {
    method request (line 8) | @Override
    method assign (line 13) | @Override
    method start (line 20) | @Override
    method end (line 25) | @Override

FILE: solutions/java/src/ridesharingservice/state/TripState.java
  type TripState (line 6) | public interface TripState {
    method request (line 7) | void request(Trip trip);
    method assign (line 8) | void assign(Trip trip, Driver driver);
    method start (line 9) | void start(Trip trip);
    method end (line 10) | void end(Trip trip);

FILE: solutions/java/src/ridesharingservice/strategy/matching/DriverMatchingStrategy.java
  type DriverMatchingStrategy (line 9) | public interface DriverMatchingStrategy {
    method findDrivers (line 10) | List<Driver> findDrivers(List<Driver> allDrivers, Location pickupLocat...

FILE: solutions/java/src/ridesharingservice/strategy/matching/NearestDriverMatchingStrategy.java
  class NearestDriverMatchingStrategy (line 12) | public class NearestDriverMatchingStrategy implements DriverMatchingStra...
    method findDrivers (line 15) | @Override

FILE: solutions/java/src/ridesharingservice/strategy/pricing/FlatRatePricingStrategy.java
  class FlatRatePricingStrategy (line 6) | public class FlatRatePricingStrategy implements PricingStrategy {
    method calculateFare (line 10) | @Override

FILE: solutions/java/src/ridesharingservice/strategy/pricing/PricingStrategy.java
  type PricingStrategy (line 6) | public interface PricingStrategy {
    method calculateFare (line 7) | double calculateFare(Location pickup, Location dropoff, RideType rideT...

FILE: solutions/java/src/ridesharingservice/strategy/pricing/VehicleBasedPricingStrategy.java
  class VehicleBasedPricingStrategy (line 8) | public class VehicleBasedPricingStrategy implements PricingStrategy {
    method calculateFare (line 16) | @Override

FILE: solutions/java/src/snakeandladdergame/Game.java
  class Game (line 13) | public class Game {
    method Game (line 20) | private Game(Builder builder) {
    method play (line 27) | public void play() {
    method takeTurn (line 52) | private void takeTurn(Player player) {
    class Builder (line 91) | public static class Builder {
      method setBoard (line 96) | public Builder setBoard(int boardSize, List<BoardEntity> boardEntiti...
      method setPlayers (line 101) | public Builder setPlayers(List<String> playerNames) {
      method setDice (line 109) | public Builder setDice(Dice dice) {
      method build (line 114) | public Game build() {

FILE: solutions/java/src/snakeandladdergame/SnakeAndLadderDemo.java
  class SnakeAndLadderDemo (line 11) | public class SnakeAndLadderDemo {
    method main (line 12) | public static void main(String[] args) {

FILE: solutions/java/src/snakeandladdergame/enums/GameStatus.java
  type GameStatus (line 3) | public enum GameStatus {

FILE: solutions/java/src/snakeandladdergame/models/Board.java
  class Board (line 7) | public class Board {
    method Board (line 11) | public Board(int size, List<BoardEntity> entities) {
    method getSize (line 20) | public int getSize() {
    method getFinalPosition (line 24) | public int getFinalPosition(int position) {

FILE: solutions/java/src/snakeandladdergame/models/BoardEntity.java
  class BoardEntity (line 3) | public abstract class BoardEntity {
    method BoardEntity (line 7) | public BoardEntity(int start, int end) {
    method getStart (line 12) | public int getStart() {
    method getEnd (line 16) | public int getEnd() {

FILE: solutions/java/src/snakeandladdergame/models/Dice.java
  class Dice (line 3) | public class Dice {
    method Dice (line 7) | public Dice(int minValue, int maxValue) {
    method roll (line 12) | public int roll() {

FILE: solutions/java/src/snakeandladdergame/models/Ladder.java
  class Ladder (line 3) | public class Ladder extends BoardEntity {
    method Ladder (line 4) | public Ladder(int start, int end) {

FILE: solutions/java/src/snakeandladdergame/models/Player.java
  class Player (line 3) | public class Player {
    method Player (line 7) | public Player(String name) {
    method getName (line 12) | public String getName() {
    method getPosition (line 16) | public int getPosition() {
    method setPosition (line 20) | public void setPosition(int position) {

FILE: solutions/java/src/snakeandladdergame/models/Snake.java
  class Snake (line 3) | public class Snake extends BoardEntity {
    method Snake (line 4) | public Snake(int start, int end) {

FILE: solutions/java/src/socialnetworkingservice/SocialNetworkDemo.java
  class SocialNetworkDemo (line 8) | public class SocialNetworkDemo {
    method main (line 9) | public static void main(String[] args) {
    method printFeed (line 48) | private static void printFeed(List<Post> feed) {

FILE: solutions/java/src/socialnetworkingservice/SocialNetworkFacade.java
  class SocialNetworkFacade (line 12) | public class SocialNetworkFacade {
    method SocialNetworkFacade (line 17) | public SocialNetworkFacade() {
    method createUser (line 25) | public User createUser(String name, String email) {
    method addFriend (line 29) | public void addFriend(String userId1, String userId2) {
    method createPost (line 33) | public Post createPost(String authorId, String content) {
    method addComment (line 38) | public void addComment(String userId, String postId, String content) {
    method likePost (line 43) | public void likePost(String userId, String postId) {
    method getNewsFeed (line 48) | public List<Post> getNewsFeed(String userId) {

FILE: solutions/java/src/socialnetworkingservice/model/Comment.java
  class Comment (line 5) | public class Comment extends CommentableEntity {
    method Comment (line 6) | public Comment(User author, String content) {
    method getReplies (line 10) | public List<Comment> getReplies() {

FILE: solutions/java/src/socialnetworkingservice/model/CommentableEntity.java
  class CommentableEntity (line 6) | public abstract class CommentableEntity {
    method CommentableEntity (line 14) | public CommentableEntity(User author, String content) {
    method addLike (line 21) | public void addLike(User user) {
    method addComment (line 25) | public void addComment(Comment comment) {
    method getId (line 29) | public String getId() { return id; }
    method getAuthor (line 30) | public User getAuthor() { return author; }
    method getContent (line 31) | public String getContent() { return content; }
    method getTimestamp (line 32) | public LocalDateTime getTimestamp() { return timestamp; }
    method getComments (line 33) | public List<Comment> getComments() { return comments; }
    method getLikes (line 34) | public Set<User> getLikes() {

FILE: solutions/java/src/socialnetworkingservice/model/Post.java
  class Post (line 3) | public class Post extends CommentableEntity {
    method Post (line 4) | public Post(User author, String content) {

FILE: solutions/java/src/socialnetworkingservice/model/User.java
  class User (line 5) | public class User {
    method User (line 12) | public User(String name, String email) {
    method addFriend (line 18) | public void addFriend(User friend) {
    method addPost (line 22) | public  void addPost(Post post) {
    method getId (line 26) | public String getId() { return id; }
    method getName (line 27) | public String getName() { return name; }
    method getFriends (line 28) | public Set<User> getFriends() { return friends; }
    method getPosts (line 29) | public List<Post> getPosts() { return posts; }

FILE: solutions/java/src/socialnetworkingservice/observer/PostObserver.java
  type PostObserver (line 7) | public interface PostObserver {
    method onPostCreated (line 8) | void onPostCreated(Post post);
    method onLike (line 9) | void onLike(Post post, User user);
    method onComment (line 10) | void onComment(Post post, Comment comment);

FILE: solutions/java/src/socialnetworkingservice/observer/UserNotifier.java
  class UserNotifier (line 7) | public class UserNotifier implements PostObserver {
    method onPostCreated (line 8) | @Override
    method onLike (line 16) | @Override
    method onComment (line 22) | @Override

FILE: solutions/java/src/socialnetworkingservice/repository/PostRepository.java
  class PostRepository (line 8) | public class PostRepository {
    method PostRepository (line 12) | private PostRepository() {}
    method getInstance (line 14) | public static PostRepository getInstance() { return INSTANCE; }
    method save (line 16) | public void save(Post post) {
    method findById (line 20) | public Post findById(String id) {

FILE: solutions/java/src/socialnetworkingservice/repository/UserRepository.java
  class UserRepository (line 8) | public class UserRepository {
    method UserRepository (line 12) | private UserRepository() {}
    method getInstance (line 14) | public static UserRepository getInstance() {
    method save (line 18) | public void save(User user) {
    method findById (line 22) | public User findById(String id) {

FILE: solutions/java/src/socialnetworkingservice/service/NewsFeedService.java
  class NewsFeedService (line 10) | public class NewsFeedService {
    method NewsFeedService (line 13) | public NewsFeedService() {
    method setStrategy (line 17) | public void setStrategy(NewsFeedGenerationStrategy strategy) {
    method getNewsFeed (line 21) | public List<Post> getNewsFeed(User user) {

FILE: solutions/java/src/socialnetworkingservice/service/PostService.java
  class PostService (line 12) | public class PostService {
    method addObserver (line 16) | public void addObserver(PostObserver observer) { observers.add(observe...
    method createPost (line 18) | public Post createPost(User author, String content) {
    method likePost (line 26) | public void likePost(User user, String postId) {
    method addComment (line 32) | public void addComment(User author, String commentableId, String conte...

FILE: solutions/java/src/socialnetworkingservice/service/UserService.java
  class UserService (line 6) | public class UserService {
    method createUser (line 9) | public User createUser(String name, String email) {
    method addFriend (line 15) | public void addFriend(String userId1, String userId2) {
    method getUserById (line 23) | public User getUserById(String userId) {

FILE: solutions/java/src/socialnetworkingservice/strategy/ChronologicalStrategy.java
  class ChronologicalStrategy (line 10) | public class ChronologicalStrategy implements NewsFeedGenerationStrategy {
    method generateFeed (line 11) | @Override

FILE: solutions/java/src/socialnetworkingservice/strategy/NewsFeedGenerationStrategy.java
  type NewsFeedGenerationStrategy (line 8) | public interface NewsFeedGenerationStrategy {
    method generateFeed (line 9) | List<Post> generateFeed(User user);

FILE: solutions/java/src/splitwise/SplitwiseDemo.java
  class SplitwiseDemo (line 15) | public class SplitwiseDemo {
    method main (line 16) | public static void main(String[] args) {

FILE: solutions/java/src/splitwise/SplitwiseService.java
  class SplitwiseService (line 8) | public class SplitwiseService {
    method SplitwiseService (line 13) | private SplitwiseService() {}
    method getInstance (line 15) | public static synchronized SplitwiseService getInstance() {
    method addUser (line 23) | public User addUser(String name, String email) {
    method addGroup (line 29) | public Group addGroup(String name, List<User> members) {
    method getUser (line 35) | public User getUser(String id) { return users.get(id); }
    method getGroup (line 36) | public Group getGroup(String id) { return groups.get(id); }
    method createExpense (line 39) | public synchronized void createExpense(Expense.ExpenseBuilder builder) {
    method settleUp (line 55) | public synchronized void settleUp(String payerId, String payeeId, doub...
    method showBalanceSheet (line 65) | public void showBalanceSheet(String userId) {
    method simplifyGroupDebts (line 70) | public List<Transaction> simplifyGroupDebts(String groupId) {

FILE: solutions/java/src/splitwise/entities/BalanceSheet.java
  class BalanceSheet (line 6) | public class BalanceSheet {
    method BalanceSheet (line 15) | public BalanceSheet(User owner) {
    method getBalances (line 19) | public Map<User, Double> getBalances() {
    method adjustBalance (line 23) | public synchronized void adjustBalance(User otherUser, double amount) {
    method showBalances (line 30) | public void showBalances() {

FILE: solutions/java/src/splitwise/entities/Expense.java
  class Expense (line 8) | public class Expense {
    method Expense (line 16) | private Expense(ExpenseBuilder builder) {
    method getId (line 28) | public String getId() { return id; }
    method getDescription (line 29) | public String getDescription() { return description; }
    method getAmount (line 30) | public double getAmount() { return amount; }
    method getPaidBy (line 31) | public User getPaidBy() { return paidBy; }
    method getSplits (line 32) | public List<Split> getSplits() { return splits; }
    class ExpenseBuilder (line 35) | public static class ExpenseBuilder {
      method setId (line 44) | public ExpenseBuilder setId(String id) { this.id = id; return this; }
      method setDescription (line 45) | public ExpenseBuilder setDescription(String description) { this.desc...
      method setAmount (line 46) | public ExpenseBuilder setAmount(double amount) { this.amount = amoun...
      method setPaidBy (line 47) | public ExpenseBuilder setPaidBy(User paidBy) { this.paidBy = paidBy;...
      method setParticipants (line 48) | public ExpenseBuilder setParticipants(List<User> participants) { thi...
      method setSplitStrategy (line 49) | public ExpenseBuilder setSplitStrategy(SplitStrategy splitStrategy) ...
      method setSplitValues (line 50) | public ExpenseBuilder setSplitValues(List<Double> splitValues) { thi...
      method build (line 52) | public Expense build() {

FILE: solutions/java/src/splitwise/entities/Group.java
  class Group (line 7) | public class Group {
    method Group (line 12) | public Group(String name, List<User> members) {
    method getId (line 18) | public String getId() {
    method getName (line 22) | public String getName() {
    method getMembers (line 26) | public List<User> getMembers() {

FILE: solutions/java/src/splitwise/entities/Split.java
  class Split (line 3) | public class Split {
    method Split (line 7) | public Split(User user, double amount) {
    method getUser (line 12) | public User getUser() { return user; }
    method getAmount (line 13) | public double getAmount() { return amount; }

FILE: solutions/java/src/splitwise/entities/Transaction.java
  class Transaction (line 3) | public class Transaction {
    method Transaction (line 8) | public Transaction(User from, User to, double amount) {
    method toString (line 14) | @Override

FILE: solutions/java/src/splitwise/entities/User.java
  class User (line 5) | public class User {
    method User (line 11) | public User(String name, String email) {
    method getId (line 18) | public String getId() {
    method getName (line 22) | public String getName() {
    method getBalanceSheet (line 26) | public BalanceSheet getBalanceSheet() {

FILE: solutions/java/src/splitwise/strategy/EqualSplitStrategy.java
  class EqualSplitStrategy (line 9) | public class EqualSplitStrategy implements SplitStrategy {
    method calculateSplits (line 10) | @Override

FILE: solutions/java/src/splitwise/strategy/ExactSplitStrategy.java
  class ExactSplitStrategy (line 9) | public class ExactSplitStrategy implements SplitStrategy {
    method calculateSplits (line 10) | @Override

FILE: solutions/java/src/splitwise/strategy/PercentageSplitStrategy.java
  class PercentageSplitStrategy (line 9) | public class PercentageSplitStrategy implements SplitStrategy {
    method calculateSplits (line 10) | @Override

FILE: solutions/java/src/splitwise/strategy/SplitStrategy.java
  type SplitStrategy (line 8) | public interface SplitStrategy {
    method calculateSplits (line 9) | List<Split> calculateSplits(double totalAmount, User paidBy, List<User...

FILE: solutions/java/src/stackoverflow/StackOverflowDemo.java
  class StackOverflowDemo (line 15) | public class StackOverflowDemo {
    method main (line 16) | public static void main(String[] args) {
    method printReputations (line 60) | private static void printReputations(User... users) {

FILE: solutions/java/src/stackoverflow/StackOverflowService.java
  class StackOverflowService (line 12) | public class StackOverflowService {
    method createUser (line 18) | public User createUser(String name) {
    method postQuestion (line 24) | public Question postQuestion(String userId, String title, String body,...
    method postAnswer (line 32) | public Answer postAnswer(String userId, String questionId, String body) {
    method voteOnPost (line 42) | public void voteOnPost(String userId, String postId, VoteType voteType) {
    method acceptAnswer (line 48) | public void acceptAnswer(String questionId, String answerId) {
    method searchQuestions (line 54) | public List<Question> searchQuestions(List<SearchStrategy> strategies) {
    method getUser (line 65) | public User getUser(String userId) {
    method findPostById (line 69) | private Post findPostById(String postId) {

FILE: solutions/java/src/stackoverflow/entities/Answer.java
  class Answer (line 5) | public class Answer extends Post {
    method Answer (line 8) | public Answer(String body, User author) {
    method setAccepted (line 12) | public void setAccepted(boolean accepted) {
    method isAccepted (line 16) | public boolean isAccepted() { return isAccepted; }

FILE: solutions/java/src/stackoverflow/entities/Comment.java
  class Comment (line 5) | public class Comment extends Content {
    method Comment (line 6) | public Comment(String body, User author) {

FILE: solutions/java/src/stackoverflow/entities/Content.java
  class Content (line 5) | public abstract class Content {
    method Content (line 11) | public Content(String id, String body, User author) {
    method getId (line 17) | public String getId() { return id; }
    method getBody (line 18) | public String getBody() { return body; }
    method getAuthor (line 19) | public User getAuthor() { return author; }

FILE: solutions/java/src/stackoverflow/entities/Event.java
  class Event (line 5) | public class Event {
    method Event (line 10) | public Event(EventType type, User actor, Post targetPost) {
    method getType (line 16) | public EventType getType() { return type; }
    method getActor (line 17) | public User getActor() { return actor; }
    method getTargetPost (line 18) | public Post getTargetPost() { return targetPost; }

FILE: solutions/java/src/stackoverflow/entities/Post.java
  class Post (line 14) | public abstract class Post extends Content {
    method Post (line 20) | public Post(String id, String body, User author) {
    method addObserver (line 24) | public void addObserver(PostObserver observer) {
    method notifyObservers (line 28) | protected void notifyObservers(Event event) {
    method vote (line 32) | public synchronized void vote(User user, VoteType voteType) {

FILE: solutions/java/src/stackoverflow/entities/Question.java
  class Question (line 7) | public class Question extends Post {
    method Question (line 13) | public Question(String title, String body, User author, Set<Tag> tags) {
    method addAnswer (line 19) | public void addAnswer(Answer answer) { this.answers.add(answer); }
    method acceptAnswer (line 21) | public synchronized void acceptAnswer(Answer answer) {
    method getTitle (line 29) | public String getTitle() { return title; }
    method getTags (line 30) | public Set<Tag> getTags() { return tags; }
    method getAnswers (line 31) | public List<Answer> getAnswers() { return answers; }

FILE: solutions/java/src/stackoverflow/entities/Tag.java
  class Tag (line 3) | public class Tag {
    method Tag (line 6) | public Tag(String name) { this.name = name; }
    method getName (line 8) | public String getName() { return name; }

FILE: solutions/java/src/stackoverflow/entities/User.java
  class User (line 6) | public class User {
    method User (line 11) | public User(String name) {
    method updateReputation (line 17) | public void updateReputation(int change) {
    method getId (line 21) | public String getId() { return id; }
    method getName (line 22) | public String getName() { return name; }
    method getReputation (line 23) | public int getReputation() { return reputation.get(); }

FILE: solutions/java/src/stackoverflow/enums/EventType.java
  type EventType (line 3) | public enum EventType {

FILE: solutions/java/src/stackoverflow/enums/VoteType.java
  type VoteType (line 3) | public enum VoteType {

FILE: solutions/java/src/stackoverflow/observer/PostObserver.java
  type PostObserver (line 5) | public interface PostObserver {
    method onPostEvent (line 6) | void onPostEvent(Event event);

FILE: solutions/java/src/stackoverflow/observer/ReputationManager.java
  class ReputationManager (line 6) | public class ReputationManager implements PostObserver {
    method onPostEvent (line 13) | @Override

FILE: solutions/java/src/stackoverflow/strategy/KeywordSearchStrategy.java
  class KeywordSearchStrategy (line 8) | public class KeywordSearchStrategy implements SearchStrategy {
    method KeywordSearchStrategy (line 11) | public KeywordSearchStrategy(String keyword) {
    method filter (line 15) | @Override

FILE: solutions/java/src/stackoverflow/strategy/SearchStrategy.java
  type SearchStrategy (line 7) | public interface SearchStrategy {
    method filter (line 8) | List<Question> filter(List<Question> questions);

FILE: solutions/java/src/stackoverflow/strategy/TagSearchStrategy.java
  class TagSearchStrategy (line 9) | public class TagSearchStrategy implements SearchStrategy {
    method TagSearchStrategy (line 12) | public TagSearchStrategy(Tag tag) {
    method filter (line 16) | @Override

FILE: solutions/java/src/stackoverflow/strategy/UserSearchStrategy.java
  class UserSearchStrategy (line 9) | public class UserSearchStrategy implements SearchStrategy {
    method UserSearchStrategy (line 12) | public UserSearchStrategy(User user) {
    method filter (line 16) | @Override

FILE: solutions/java/src/taskmanagementsystem/TaskManagementSystem.java
  class TaskManagementSystem (line 18) | public class TaskManagementSystem {
    method TaskManagementSystem (line 24) | private TaskManagementSystem() {
    method getInstance (line 30) | public static synchronized TaskManagementSystem getInstance() {
    method createUser (line 37) | public User createUser(String name, String email) {
    method createTaskList (line 43) | public TaskList createTaskList(String listName) {
    method createTask (line 49) | public Task createTask(String title, String description, LocalDate due...
    method listTasksByUser (line 68) | public List<Task> listTasksByUser(String userId) {
    method listTasksByStatus (line 75) | public List<Task> listTasksByStatus(TaskStatus status) {
    method deleteTask (line 81) | public void deleteTask(String taskId) {
    method searchTasks (line 85) | public List<Task> searchTasks(String keyword, TaskSortStrategy sorting...

FILE: solutions/java/src/taskmanagementsystem/TaskManagementSystemDemo.java
  class TaskManagementSystemDemo (line 13) | public class TaskManagementSystemDemo {
    method main (line 14) | public static void main(String[] args) {

FILE: solutions/java/src/taskmanagementsystem/enums/TaskPriority.java
  type TaskPriority (line 3) | public enum TaskPriority {

FILE: solutions/java/src/taskmanagementsystem/enums/TaskStatus.java
  type TaskStatus (line 3) | public enum TaskStatus {

FILE: solutions/java/src/taskmanagementsystem/models/ActivityLog.java
  class ActivityLog (line 5) | public class ActivityLog {
    method ActivityLog (line 9) | public ActivityLog(String description) {
    method toString (line 14) | @Override

FILE: solutions/java/src/taskmanagementsystem/models/Comment.java
  class Comment (line 6) | public class Comment {
    method Comment (line 12) | public Comment(String content, User author) {
    method getAuthor (line 19) | public User getAuthor() {

FILE: solutions/java/src/taskmanagementsystem/models/Tag.java
  class Tag (line 3) | public class Tag {
    method Tag (line 6) | public Tag(String name) { this.name = name; }
    method getName (line 8) | public String getName() { return name; }

FILE: solutions/java/src/taskmanagementsystem/models/Task.java
  class Task (line 12) | public class Task {
    method Task (line 27) | private Task(TaskBuilder builder) {
    method setAssignee (line 44) | public synchronized void setAssignee(User user) {
    method updatePriority (line 50) | public synchronized void updatePriority(TaskPriority priority) {
    method addComment (line 55) | public synchronized void addComment(Comment comment) {
    method addSubtask (line 61) | public synchronized void addSubtask(Task subtask) {
    method setState (line 68) | public void setState(TaskState state) {
    method startProgress (line 73) | public void startProgress() { currentState.startProgress(this); }
    method completeTask (line 74) | public void completeTask() { currentState.completeTask(this); }
    method reopenTask (line 75) | public void reopenTask() { currentState.reopenTask(this); }
    method addObserver (line 78) | public void addObserver(TaskObserver observer) { observers.add(observe...
    method removeObserver (line 79) | public void removeObserver(TaskObserver observer) { observers.remove(o...
    method notifyObservers (line 80) | public void notifyObservers(String changeType) {
    method addLog (line 85) | public void addLog(String logDescription) {
    method isComposite (line 89) | public boolean isComposite() { return !subtasks.isEmpty(); }
    method display (line 91) | public void display(String indent) {
    method getId (line 101) | public String getId() {
    method getTitle (line 104) | public String getTitle() {
    method getDescription (line 107) | public String getDescription() {
    method getPriority (line 110) | public TaskPriority getPriority() {
    method getDueDate (line 113) | public LocalDate getDueDate() {
    method getAssignee (line 116) | public User getAssignee() {
    method setTitle (line 119) | public void setTitle(String title) {
    method setDescription (line 122) | public void setDescription(String description) {
    method getStatus (line 126) | public TaskStatus getStatus() {
    class TaskBuilder (line 131) | public static class TaskBuilder {
      method TaskBuilder (line 141) | public TaskBuilder(String title) {
      method description (line 146) | public TaskBuilder description(String description) { this.descriptio...
      method dueDate (line 147) | public TaskBuilder dueDate(LocalDate dueDate) { this.dueDate = dueDa...
      method priority (line 148) | public TaskBuilder priority(TaskPriority priority) { this.priority =...
      method assignee (line 149) | public TaskBuilder assignee(User assignee) { this.assignee = assigne...
      method createdBy (line 150) | public TaskBuilder createdBy(User createdBy) { this.createdBy = crea...
      method tags (line 151) | public TaskBuilder tags(Set<Tag> tags) { this.tags = tags; return th...
      method build (line 153) | public Task build() {

FILE: solutions/java/src/taskmanagementsystem/models/TaskList.java
  class TaskList (line 8) | public class TaskList {
    method TaskList (line 13) | public TaskList(String name) {
    method addTask (line 19) | public void addTask(Task task) {
    method getTasks (line 23) | public List<Task> getTasks() {
    method getId (line 28) | public String getId() { return id; }
    method getName (line 29) | public String getName() { return name; }
    method display (line 31) | public void display() {

FILE: solutions/java/src/taskmanagementsystem/models/User.java
  class User (line 5) | public class User {
    method User (line 10) | public User(String name, String email) {
    method getId (line 17) | public String getId() {
    method getEmail (line 21) | public String getEmail() {
    method getName (line 25) | public String getName() {

FILE: solutions/java/src/taskmanagementsystem/observer/ActivityLogger.java
  class ActivityLogger (line 5) | public class ActivityLogger implements TaskObserver {
    method update (line 6) | @Override

FILE: solutions/java/src/taskmanagementsystem/observer/TaskObserver.java
  type TaskObserver (line 5) | public interface TaskObserver {
    method update (line 6) | void update(Task task, String changeType);

FILE: solutions/java/src/taskmanagementsystem/state/DoneState.java
  class DoneState (line 6) | public class DoneState implements TaskState {
    method startProgress (line 7) | @Override
    method completeTask (line 11) | @Override
    method reopenTask (line 15) | @Override
    method getStatus (line 19) | @Override

FILE: solutions/java/src/taskmanagementsystem/state/InProgressState.java
  class InProgressState (line 6) | public class InProgressState implements TaskState {
    method startProgress (line 7) | @Override
    method completeTask (line 11) | @Override
    method reopenTask (line 15) | @Override
    method getStatus (line 19) | @Override

FILE: solutions/java/src/taskmanagementsystem/state/TaskState.java
  type TaskState (line 6) | public interface TaskState {
    method startProgress (line 7) | void startProgress(Task task);
    method completeTask (line 8) | void completeTask(Task task);
    method reopenTask (line 9) | void reopenTask(Task task);
    method getStatus (line 10) | TaskStatus getStatus();

FILE: solutions/java/src/taskmanagementsystem/state/TodoState.java
  class TodoState (line 6) | public class TodoState implements TaskState {
    method startProgress (line 7) | @Override
    method completeTask (line 11) | @Override
    method reopenTask (line 15) | @Override
    method getStatus (line 19) | @Override

FILE: solutions/java/src/taskmanagementsystem/strategy/SortByDueDate.java
  class SortByDueDate (line 8) | public class SortByDueDate implements TaskSortStrategy {
    method sort (line 9) | @Override

FILE: solutions/java/src/taskmanagementsystem/strategy/SortByPriority.java
  class SortByPriority (line 8) | public class SortByPriority implements TaskSortStrategy {
    method sort (line 9) | @Override

FILE: solutions/java/src/taskmanagementsystem/strategy/TaskSortStrategy.java
  type TaskSortStrategy (line 7) | public interface TaskSortStrategy {
    method sort (line 8) | void sort(List<Task> tasks);

FILE: solutions/java/src/tictactoe/Game.java
  class Game (line 16) | public class Game extends GameSubject {
    method Game (line 26) | public Game(Player player1, Player player2) {
    method makeMove (line 40) | public void makeMove(Player player, int row, int col) {
    method checkWinner (line 44) | public boolean checkWinner(Player player) {
    method switchPlayer (line 53) | public void switchPlayer() {
    method getBoard (line 57) | public Board getBoard() { return board; }
    method getCurrentPlayer (line 58) | public Player getCurrentPlayer() { return currentPlayer; }
    method getWinner (line 59) | public Player getWinner() { return winner; }
    method setWinner (line 60) | public void setWinner(Player winner) { this.winner = winner; }
    method getStatus (line 61) | public GameStatus getStatus() { return status; }
    method setState (line 62) | public void setState(GameState state) { this.state = state; }
    method setStatus (line 63) | public void setStatus(GameStatus status) {

FILE: solutions/java/src/tictactoe/TicTacToeDemo.java
  class TicTacToeDemo (line 6) | public class TicTacToeDemo {
    method main (line 7) | public static void main(String[] args) {

FILE: solutions/java/src/tictactoe/TicTacToeSystem.java
  class TicTacToeSystem (line 7) | public class TicTacToeSystem {
    method TicTacToeSystem (line 12) | private TicTacToeSystem() {
    method getInstance (line 16) | public static synchronized TicTacToeSystem getInstance() {
    method createGame (line 23) | public void createGame(Player player1, Player player2) {
    method makeMove (line 31) | public void makeMove(Player player, int row, int col) {
    method printBoard (line 49) | public void printBoard() {
    method printScoreBoard (line 53) | public void printScoreBoard() {

FILE: solutions/java/src/tictactoe/enums/GameStatus.java
  type GameStatus (line 3) | public enum GameStatus {

FILE: solutions/java/src/tictactoe/enums/Symbol.java
  type Symbol (line 3) | public enum Symbol {
    method Symbol (line 10) | Symbol(char symbol) {
    method getChar (line 14) | public char getChar() {

FILE: solutions/java/src/tictactoe/exceptions/InvalidMoveException.java
  class InvalidMoveException (line 3) | public class InvalidMoveException extends RuntimeException {
    method InvalidMoveException (line 4) | public InvalidMoveException(String message) {

FILE: solutions/java/src/tictactoe/models/Board.java
  class Board (line 6) | public class Board {
    method Board (line 11) | public Board(int size) {
    method initializeBoard (line 18) | private void initializeBoard() {
    method placeSymbol (line 26) | public boolean placeSymbol(int row, int col, Symbol symbol) {
    method getCell (line 38) | public Cell getCell(int row, int col) {
    method isFull (line 45) | public boolean isFull() {
    method printBoard (line 49) | public void printBoard() {
    method getSize (line 61) | public int getSize() {

FILE: solutions/java/src/tictactoe/models/Cell.java
  class Cell (line 5) | public class Cell {
    method Cell (line 8) | public Cell() {
    method getSymbol (line 12) | public Symbol getSymbol() {
    method setSymbol (line 16) | public void setSymbol(Symbol symbol) {

FILE: solutions/java/src/tictactoe/models/Player.java
  class Player (line 5) | public class Player {
    method Player (line 9) | public Player(String name, Symbol symbol) {
    method getName (line 14) | public String getName() {
    method getSymbol (line 18) | public Symbol getSymbol() {

FILE: solutions/java/src/tictactoe/observer/GameObserver.java
  type GameObserver (line 5) | public interface GameObserver {
    method update (line 6) | void update(Game game);

FILE: solutions/java/src/tictactoe/observer/GameSubject.java
  class GameSubject (line 8) | public abstract class GameSubject {
    method addObserver (line 11) | public void addObserver(GameObserver observer) {
    method removeObserver (line 15) | public void removeObserver(GameObserver observer) {
    method notifyObservers (line 19) | public void notifyObservers() {

FILE: solutions/java/src/tictactoe/observer/Scoreboard.java
  class Scoreboard (line 8) | public class Scoreboard implements GameObserver {
    method Scoreboard (line 11) | public Scoreboard() {
    method update (line 15) | @Override
    method printScores (line 25) | public void printScores() {

FILE: solutions/java/src/tictactoe/state/DrawState.java
  class DrawState (line 7) | public class DrawState implements GameState {
    method handleMove (line 8) | @Override

FILE: solutions/java/src/tictactoe/state/GameState.java
  type GameState (line 6) | public interface GameState {
    method handleMove (line 7) | void handleMove(Game game, Player player, int row, int col);

FILE: solutions/java/src/tictactoe/state/InProgressState.java
  class InProgressState (line 9) | public class InProgressState implements GameState {
    method handleMove (line 10) | @Override

FILE: solutions/java/src/tictactoe/state/WinnerState.java
  class WinnerState (line 7) | public class WinnerState implements GameState {
    method handleMove (line 8) | @Override

FILE: solutions/java/src/tictactoe/strategy/ColumnWinningStrategy.java
  class ColumnWinningStrategy (line 6) | public class ColumnWinningStrategy implements WinningStrategy {
    method checkWinner (line 7) | @Override

FILE: solutions/java/src/tictactoe/strategy/DiagonalWinningStrategy.java
  class DiagonalWinningStrategy (line 6) | public class DiagonalWinningStrategy implements WinningStrategy {
    method checkWinner (line 7) | @Override

FILE: solutions/java/src/tictactoe/strategy/RowWinningStrategy.java
  class RowWinningStrategy (line 6) | public class RowWinningStrategy implements WinningStrategy {
    method checkWinner (line 7) | @Override

FILE: solutions/java/src/tictactoe/strategy/WinningStrategy.java
  type WinningStrategy (line 6) | public interface WinningStrategy {
    method checkWinner (line 7) | boolean checkWinner(Board board, Player player);

FILE: solutions/java/src/trafficsignalcontrolsystem/IntersectionController.java
  class IntersectionController (line 13) | public class IntersectionController implements Runnable {
    method IntersectionController (line 22) | private IntersectionController(int id, Map<Direction, TrafficLight> tr...
    method getId (line 31) | public int getId() { return id; }
    method getGreenDuration (line 32) | public long getGreenDuration() { return greenDuration; }
    method getYellowDuration (line 33) | public long getYellowDuration() { return yellowDuration; }
    method getLight (line 34) | public TrafficLight getLight(Direction direction) { return trafficLigh...
    method setState (line 36) | public void setState(IntersectionState state) {
    method start (line 40) | public void start() {
    method stop (line 44) | public void stop() {
    method run (line 48) | @Override
    class Builder (line 62) | public static class Builder {
      method Builder (line 68) | public Builder(int id) {
      method withDurations (line 72) | public Builder withDurations(long green, long yellow) {
      method addObserver (line 78) | public Builder addObserver(TrafficObserver observer) {
      method build (line 83) | public IntersectionController build() {

FILE: solutions/java/src/trafficsignalcontrolsystem/TrafficControlSystem.java
  class TrafficControlSystem (line 11) | public class TrafficControlSystem {
    method TrafficControlSystem (line 16) | private TrafficControlSystem() {}
    method getInstance (line 18) | public static TrafficControlSystem getInstance() {
    method addIntersection (line 22) | public void addIntersection(int intersectionId, int greenDuration, int...
    method startSystem (line 30) | public void startSystem() {
    method stopSystem (line 40) | public void stopSystem() {

FILE: solutions/java/src/trafficsignalcontrolsystem/TrafficLight.java
  class TrafficLight (line 13) | public class TrafficLight {
    method TrafficLight (line 21) | public TrafficLight(int intersectionId, Direction direction) {
    method startGreen (line 29) | public void startGreen() {
    method transition (line 35) | public void transition() {
    method setColor (line 40) | public void setColor(LightColor color) {
    method setNextState (line 47) | public void setNextState(SignalState state) {
    method getCurrentColor (line 51) | public LightColor getCurrentColor() {
    method getDirection (line 55) | public Direction getDirection() {
    method addObserver (line 60) | public void addObserver(TrafficObserver observer) {
    method removeObserver (line 64) | public void removeObserver(TrafficObserver observer) {
    method notifyObservers (line 68) | private void notifyObservers() {

FILE: solutions/java/src/trafficsignalcontrolsystem/TrafficSystemDemo.java
  class TrafficSystemDemo (line 5) | public class TrafficSystemDemo {
    method main (line 6) | public static void main(String[] args) {

FILE: solutions/java/src/trafficsignalcontrolsystem/enums/Direction.java
  type Direction (line 3) | public enum Direction {

FILE: solutions/java/src/trafficsignalcontrolsystem/enums/LightColor.java
  type LightColor (line 3) | public enum LightColor {

FILE: solutions/java/src/trafficsignalcontrolsystem/observer/CentralMonitor.java
  class CentralMonitor (line 6) | public class CentralMonitor implements TrafficObserver {
    method update (line 7) | @Override

FILE: solutions/java/src/trafficsignalcontrolsystem/observer/TrafficObserver.java
  type TrafficObserver (line 6) | public interface TrafficObserver {
    method update (line 7) | void update(int intersectionId, Direction direction, LightColor color);

FILE: solutions/java/src/trafficsignalcontrolsystem/states/intersection/EastWestGreenState.java
  class EastWestGreenState (line 7) | public class EastWestGreenState implements IntersectionState {
    method handle (line 8) | @Override

FILE: solutions/java/src/trafficsignalcontrolsystem/states/intersection/IntersectionState.java
  type IntersectionState (line 5) | public interface IntersectionState {
    method handle (line 6) | void handle(IntersectionController context) throws InterruptedException;

FILE: solutions/java/src/trafficsignalcontrolsystem/states/intersection/NorthSouthGreenState.java
  class NorthSouthGreenState (line 7) | public class NorthSouthGreenState implements IntersectionState {
    method handle (line 8) | @Override

FILE: solutions/java/src/trafficsignalcontrolsystem/states/light/GreenState.java
  class GreenState (line 6) | public class GreenState implements SignalState {
    method handle (line 7) | @Override

FILE: solutions/java/src/trafficsignalcontrolsystem/states/light/RedState.java
  class RedState (line 6) | public class RedState implements SignalState {
    method handle (line 7) | @Override

FILE: solutions/java/src/trafficsignalcontrolsystem/states/light/SignalState.java
  type SignalState (line 5) | public interface SignalState {
    method handle (line 6) | void handle(TrafficLight context);

FILE: solutions/java/src/trafficsignalcontrolsystem/states/light/YellowState.java
  class YellowState (line 6) | public class YellowState implements SignalState {
    method handle (line 7) | @Override

FILE: solutions/java/src/vendingmachine/VendingMachine.java
  class VendingMachine (line 8) | public class VendingMachine {
    method VendingMachine (line 15) | public VendingMachine() {
    method getInstance (line 19) | public static VendingMachine getInstance() {
    method insertCoin (line 23) | public void insertCoin(Coin coin) {
    method addItem (line 27) | public Item addItem(String code, String name, int price, int quantity) {
    method selectItem (line 33) | public void selectItem(String code) {
    method dispense (line 37) | public void dispense() {
    method dispenseItem (line 41) | public void dispenseItem() {
    method refundBalance (line 55) | public void refundBalance() {
    method reset (line 60) | public void reset() {
    method addBalance (line 65) | public void addBalance(int value) {
    method getSelectedItem (line 69) | public Item getSelectedItem() {
    method setSelectedItemCode (line 73) | public void setSelectedItemCode(String code) {
    method setState (line 77) | public void setState(VendingMachineState vendingMachineState) {
    method getInventory (line 82) | public Inventory getInventory() { return inventory; }
    method getBalance (line 83) | public int getBalance() { return balance; }

FILE: solutions/java/src/vendingmachine/VendingMachineDemo.java
  class VendingMachineDemo (line 5) | public class VendingMachineDemo {
    method main (line 6) | public static void main(String[] args) {

FILE: solutions/java/src/vendingmachine/entity/Inventory.java
  class Inventory (line 6) | public class Inventory {
    method addItem (line 10) | public void addItem(String code, Item item, int quantity) {
    method getItem (line 15) | public Item getItem(String code) {
    method isAvailable (line 19) | public boolean isAvailable(String code) {
    method reduceStock (line 23) | public void reduceStock(String code) {

FILE: solutions/java/src/vendingmachine/entity/Item.java
  class Item (line 3) | public class Item {
    method Item (line 8) | public Item(String code, String name, int price) {
    method getName (line 14) | public String getName() {
    method getPrice (line 18) | public int getPrice() {

FILE: solutions/java/src/vendingmachine/enums/Coin.java
  type Coin (line 3) | public enum Coin {
    method Coin (line 11) | Coin(int value) {
    method getValue (line 15) | public int getValue() {

FILE: solutions/java/src/vendingmachine/state/DispensingState.java
  class DispensingState (line 6) | public class DispensingState extends VendingMachineState {
    method DispensingState (line 7) | public DispensingState(VendingMachine machine) {
    method insertCoin (line 11) | @Override
    method selectItem (line 16) | @Override
    method dispense (line 21) | @Override
    method refund (line 26) | @Override

FILE: solutions/java/src/vendingmachine/state/HasMoneyState.java
  class HasMoneyState (line 6) | public class HasMoneyState extends VendingMachineState {
    method HasMoneyState (line 7) | public HasMoneyState(VendingMachine machine) {
    method insertCoin (line 11) | @Override
    method selectItem (line 16) | @Override
    method dispense (line 21) | @Override
    method refund (line 27) | @Override

FILE: solutions/java/src/vendingmachine/state/IdleState.java
  class IdleState (line 6) | public class IdleState extends VendingMachineState {
    method IdleState (line 7) | public IdleState(VendingMachine machine) {
    method insertCoin (line 11) | @Override
    method selectItem (line 16) | @Override
    method dispense (line 27) | @Override
    method refund (line 32) | @Override

FILE: solutions/java/src/vendingmachine/state/ItemSelectedState.java
  class ItemSelectedState (line 6) | public class ItemSelectedState extends VendingMachineState {
    method ItemSelectedState (line 7) | public ItemSelectedState(VendingMachine machine) {
    method insertCoin (line 11) | @Override
    method selectItem (line 22) | @Override
    method dispense (line 27) | @Override
    method refund (line 32) | @Override

FILE: solutions/java/src/vendingmachine/state/VendingMachineState.java
  class VendingMachineState (line 6) | public abstract class VendingMachineState {
    method VendingMachineState (line 9) | VendingMachineState(VendingMachine machine) {
    method insertCoin (line 13) | public abstract void insertCoin(Coin coin);
    method selectItem (line 14) | public abstract void selectItem(String code);
    method dispense (line 15) | public abstract void dispense();
    method refund (line 16) | public abstract void refund();

FILE: solutions/java/src/votingsystem/Candidate.java
  class Candidate (line 3) | class Candidate {
    method Candidate (line 8) | public Candidate(String id, String name, String party) {
    method getId (line 14) | public String getId() {
    method getName (line 18) | public String getName() {

FILE: solutions/java/src/votingsystem/VoteRecord.java
  class VoteRecord (line 5) | class VoteRecord {
    method VoteRecord (line 10) | public VoteRecord(String voterId, String candidateId, long timestamp) {
    method toString (line 16) | @Override

FILE: solutions/java/src/votingsystem/Voter.java
  class Voter (line 3) | class Voter {
    method Voter (line 8) | public Voter(String id, String name, String password) {
    method getId (line 14) | public String getId() {
    method getName (line 18) | public String getName() {

FILE: solutions/java/src/votingsystem/VotingSystem.java
  class VotingSystem (line 9) | public class VotingSystem {
    method VotingSystem (line 19) | private VotingSystem() {
    method getInstance (line 29) | public static VotingSystem getInstance() {
    method registerVoter (line 41) | public void registerVoter(String voterId, String name, String password) {
    method registerCandidate (line 46) | public void registerCandidate(String candidateId, String name, String ...
    method startVoting (line 52) | public void startVoting() {
    method endVoting (line 62) | public void endVoting() {
    method castVote (line 72) | public boolean castVote(String voterId, String candidateId) {
    method getCurrentResults (line 103) | public Map<String, Integer> getCurrentResults() {
    method getAuditLog (line 117) | public List<VoteRecord> getAuditLog() {

FILE: solutions/java/src/votingsystem/VotingSystemDemo.java
  class VotingSystemDemo (line 6) | public class VotingSystemDemo {
    method run (line 7) | public static void run() {

FILE: solutions/java/test/coffeevendingmachine/CoffeeVendingMachineTest.java
  class CoffeeVendingMachineTest (line 13) | public class CoffeeVendingMachineTest {
    method setUp (line 19) | @BeforeEach
    method testSelectCoffee (line 30) | @Test
    method testInvalidCoffeeSelection (line 40) | @Test
    method testDispenseCoffee (line 53) | @Test
    method testInsufficientPayment (line 65) | @Test
    method testIngredientConsumption (line 82) | @Test
    method testIngredientRefill (line 102) | @Test

FILE: solutions/typescript/src/CoffeeVendingMachine/CoffeeRecipe.ts
  class CoffeeRecipe (line 1) | class CoffeeRecipe {
    method constructor (line 6) | constructor(name: string, price: number, recipe: Map<string, number>) {
    method getName (line 12) | public getName(): string {
    method getPrice (line 16) | public getPrice(): number {
    method getRecipe (line 20) | public getRecipe() {

FILE: solutions/typescript/src/CoffeeVendingMachine/CoffeeVendingMachine.ts
  class CoffeeVendingMachine (line 7) | class CoffeeVendingMachine {
    method constructor (line 14) | private constructor() {
    method addDefaultRecipes (line 22) | private addDefaultRecipes(): void {
    method getInstance (line 60) | public static getInstance(): CoffeeVendingMachine {
    method displayMenu (line 67) | public displayMenu(): void {
    method selectCoffee (line 74) | public selectCoffee(coffeeName: string): CoffeeRecipe {
    method dispenseCoffee (line 81) | public dispenseCoffee(recipe: CoffeeRecipe, payment: Payment): void {
    method refillIngredient (line 106) | public refillIngredient(ingredient: string, quantity: number): void {
    method showIngredients (line 110) | public showIngredients(): void {

FILE: solutions/typescript/src/CoffeeVendingMachine/CoffeeVendingMachineDemo.ts
  class CoffeeVendingMachineDemo (line 4) | class CoffeeVendingMachineDemo {
    method run (line 5) | static run() {

FILE: solutions/typescript/src/CoffeeVendingMachine/Dispenser.ts
  class Dispenser (line 3) | class Dispenser {
    method prepareDrink (line 4) | public prepareDrink(recipe: CoffeeRecipe): void {

FILE: solutions/typescript/src/CoffeeVendingMachine/IngredientStore.ts
  class IngredientStore (line 1) | class IngredientStore {
    method constructor (line 4) | constructor() {
    method refill (line 8) | public refill(ingredient: string, quantity: number): void {
    method hasEnoughIngredient (line 15) | public hasEnoughIngredient(required: Map<string, number>): boolean {
    method consume (line 22) | public consume(required: Map<string, number>): void {
    method getLevel (line 32) | public getLevel(ingredient: string): number {
    method getAllIngredients (line 36) | public getAllIngredients(): Map<string, number> {

FILE: solutions/typescript/src/CoffeeVendingMachine/Payment.ts
  class Payment (line 1) | class Payment {
    method constructor (line 4) | constructor(amount: number) {
    method getAmount (line 8) | public getAmount(): number {

FILE: solutions/typescript/src/CoffeeVendingMachine/PaymentProcessor.ts
  class PaymentProcessor (line 1) | class PaymentProcessor {
    method process (line 2) | public process(price: number, paid: number): number {

FILE: solutions/typescript/src/LoggingFramework/Appender/ConsoleLogAppender.ts
  class ConsoleLogAppender (line 5) | class ConsoleLogAppender implements LogAppender {
    method constructor (line 8) | constructor(formatter: LogFormatter) {
    method append (line 12) | append(logMessage: LogMessage) {

FILE: solutions/typescript/src/LoggingFramework/Appender/FileLogAppender.ts
  class FileLogAppender (line 7) | class FileLogAppender implements LogAppender {
    method constructor (line 11) | constructor(filePath: string, formatter: LogFormatter) {
    method append (line 26) | public append(logMessage: LogMessage): void {

FILE: solutions/typescript/src/LoggingFramework/Appender/LogAppender.ts
  type LogAppender (line 3) | interface LogAppender {

FILE: solutions/typescript/src/LoggingFramework/LogFormatter/LogFormatter.ts
  type LogFormatter (line 3) | interface LogFormatter {

FILE: solutions/typescript/src/LoggingFramework/LogFormatter/SimpleLogFormatter.ts
  class SimpleLogFormatter (line 4) | class SimpleLogFormatter implements LogFormatter {
    method format (line 5) | format(message: LogMessage): string {

FILE: solutions/typescript/src/LoggingFramework/LogLevel.ts
  type LogLevelEnum (line 1) | enum LogLevelEnum {
  function isAsSevereAs (line 9) | function isAsSevereAs(

FILE: solutions/typescript/src/LoggingFramework/LogManager.ts
  class LogManager (line 8) | class LogManager {
    method getLogger (line 11) | static getLogger() {
    method setLevel (line 28) | setLevel(level: LogLevelEnum): this {
    method addAppender (line 33) | addAppender(appender: LogAppender): this {
    method build (line 38) | build(): Logger {

FILE: solutions/typescript/src/LoggingFramework/LogMessage.ts
  class LogMessage (line 3) | class LogMessage {
    method constructor (line 8) | constructor(logLevel: LogLevelEnum, message: string) {
    method getMessage (line 14) | getMessage() {
    method getLogLevel (line 18) | getLogLevel() {
    method getTimeStamp (line 22) | getTimeStamp() {
    method toString (line 26) | toString() {

FILE: solutions/typescript/src/LoggingFramework/Logger.ts
  class Logger (line 5) | class Logger {
    method constructor (line 9) | public constructor(minLevel: LogLevelEnum, appenders: LogAppender[]) {
    method log (line 14) | log(level: LogLevelEnum, msg: string) {
    method setMinLevel (line 20) | setMinLevel(minLevel: LogLevelEnum) {
    method debug (line 24) | debug(message: string) {
    method info (line 27) | info(message: string) {
    method warn (line 30) | warn(message: string) {
    method error (line 33) | error(message: string) {
    method fatal (line 36) | fatal(message: string) {

FILE: solutions/typescript/src/LoggingFramework/LoggingFrameworkDemo.ts
  class LogginFrameworkDemo (line 4) | class LogginFrameworkDemo {
    method run (line 5) | static run() {

FILE: solutions/typescript/src/ParkingLot/Floor.ts
  type carWiseSpot (line 5) | type carWiseSpot = Record<carType, ParkingSpot[]>
  class ParkingFloor (line 8) | class ParkingFloor {
    method constructor (line 12) | constructor(floor: string) {
    method addSpot (line 17) | addSpot(spot: ParkingSpot) {
    method reportAvailability (line 21) | reportAvailability(): carWiseSpot {
    method findAvailableSpot (line 36) | findAvailableSpot(vehicle: AbstractVehicle): ParkingSpot | null {

FILE: solutions/typescript/src/ParkingLot/ParkingLot.ts
  class ParkingLot (line 5) | class ParkingLot {
    method constructor (line 11) | constructor(name: string){
    method getInstance (line 17) | static getInstance(name: string = "Default"): ParkingLot{
    method parkCar (line 24) | parkCar(vehicle: AbstractVehicle): void{
    method unparkCar (line 35) | unparkCar(vehicle: AbstractVehicle){
    method spotAvailability (line 44) | spotAvailability(){
    method addFloor (line 51) | addFloor(floor : ParkingFloor){

FILE: solutions/typescript/src/ParkingLot/Spot.ts
  class ParkingSpot (line 4) | class ParkingSpot {
    method constructor (line 9) | constructor(spotName: string, type: carType) {
    method isAvailable (line 14) | get isAvailable(): boolean {
    method canFit (line 18) | canFit(car: AbstractVehicle): boolean {
    method parkCar (line 22) | parkCar(car: AbstractVehicle): void {
    method unparkCar (line 35) | unparkCar(): void {
    method getVehicle (line 39) | getVehicle(): AbstractVehicle | null {
    method getSpotType (line 43) | get getSpotType(): carType {

FILE: solutions/typescript/src/ParkingLot/Vehicle.ts
  type Vehicle (line 3) | interface Vehicle {
  method constructor (line 13) | constructor(number: string, type: carType) {
  method getNumber (line 18) | getNumber(): string {
  method getType (line 22) | getType(): carType {
  class Car (line 27) | class Car extends AbstractVehicle {
    method constructor (line 28) | constructor(number: string) {
  class Bike (line 33) | class Bike extends AbstractVehicle {
    method constructor (line 34) | constructor(number: string) {
  class Truck (line 39) | class Truck extends AbstractVehicle {
    method constructor (line 40) | constructor(number: string) {

FILE: solutions/typescript/src/ParkingLot/types.ts
  type carType (line 1) | type carType = "Car" | "Truck" | "Bike";

FILE: solutions/typescript/src/StackOverflow/Answer.ts
  class Answer (line 11) | class Answer implements Votable, Commentable {
    method constructor (line 21) | constructor(author: User, question: Question, content: string) {
    method vote (line 32) | vote(voter: User, type: VoteTypeEnum) {
    method getVoteCount (line 44) | getVoteCount() {
    method addComment (line 48) | addComment(comment: Comment) {
    method getComments (line 52) | getComments() {
    method getQuestion (line 56) | getQuestion() {
    method markAsAccepted (line 60) | markAsAccepted() {
    method getId (line 68) | getId() {
    method getAuthor (line 71) | getAuthor() {
    method getContent (line 74) | getContent() {
    method getIsAccepted (line 77) | getIsAccepted() {

FILE: solutions/typescript/src/StackOverflow/Comment.ts
  class Comment (line 4) | class Comment {
    method constructor (line 10) | constructor(author: User, content: string) {
    method getId (line 17) | getId() {
    method getAuthor (line 20) | getAuthor() {
    method getContent (line 23) | getContent() {

FILE: solutions/typescript/src/StackOverflow/Commentable.ts
  type Commentable (line 3) | interface Commentable {

FILE: solutions/typescript/src/StackOverflow/Question.ts
  class Question (line 10) | class Question {
    method constructor (line 22) | constructor(author: User, title: string, content: string, tags: Tag[]) {
    method addAnswer (line 35) | addAnswer(answer: Answer) {
    method acceptAnswer (line 39) | acceptAnswer(answer: Answer) {
    method vote (line 43) | vote(voter: User, type: VoteTypeEnum) {
    method getVoteCount (line 56) | getVoteCount() {
    method addComment (line 60) | addComment(comment: Comment) {
    method getComments (line 64) | getComments() {
    method getId (line 68) | getId() {
    method getAuthor (line 71) | getAuthor() {
    method getTitle (line 74) | getTitle() {
    method getContent (line 77) | getContent() {
    method getTags (line 80) | getTags() {

FILE: solutions/typescript/src/StackOverflow/ReputationType.ts
  type ReputationTypeEnum (line 1) | enum ReputationTypeEnum {

FILE: solutions/typescript/src/StackOverflow/StackOverflow.ts
  class StackOverflow (line 10) | class StackOverflow {
    method constructor (line 17) | private constructor() {
    method getInstance (line 24) | static getInstance() {
    method createUser (line 31) | createUser(username: string, email: string) {
    method postQuestion (line 37) | postQuestion(
    method postAnswer (line 59) | postAnswer(userId: string, questionId: string, content: string) {
    method getUser (line 70) | getUser(userId: string) {
    method addComment (line 77) | addComment(userId: string, commentable: Commentable, content: string) {
    method vote (line 84) | vote(userId: string, votable: Votable, voteType: VoteTypeEnum) {
    method acceptAnswer (line 89) | acceptAnswer(answerId: string) {
    method searchQuestions (line 98) | searchQuestions(query: string) {
    method getQuestionsByUser (line 109) | getQuestionsByUser(userId: string) {

FILE: solutions/typescript/src/StackOverflow/StackOverflowDemo.ts
  class StackOverflowDemo (line 4) | class StackOverflowDemo {
    method run (line 5) | static run() {

FILE: solutions/typescript/src/StackOverflow/Tag.ts
  class Tag (line 3) | class Tag {
    method constructor (line 7) | constructor(name: string) {
    method getId (line 12) | getId() {
    method getName (line 15) | getName() {

FILE: solutions/typescript/src/StackOverflow/User.ts
  class User (line 3) | class User {
    method constructor (line 9) | constructor(name: string, email: string) {
    method updateReputation (line 16) | updateReputation(value: number) {
    method getUserId (line 23) | getUserId() {
    method getName (line 26) | getName() {
    method getReputation (line 29) | getReputation() {
    method getEmail (line 32) | getEmail() {

FILE: solutions/typescript/src/StackOverflow/Votable.ts
  type Votable (line 4) | interface Votable {

FILE: solutions/typescript/src/StackOverflow/Vote.ts
  class Vote (line 4) | class Vote {
    method constructor (line 8) | constructor(voter: User, type: VoteTypeEnum) {
    method getVoter (line 13) | getVoter() {
    method getVoteType (line 17) | getVoteType() {

FILE: solutions/typescript/src/StackOverflow/VoteTypeEnum.ts
  type VoteTypeEnum (line 1) | enum VoteTypeEnum {

FILE: solutions/typescript/src/TaskManagement/ActivityLog.ts
  class ActivityLog (line 4) | class ActivityLog {
    method constructor (line 10) | constructor(action: string, performedBy: User) {

FILE: solutions/typescript/src/TaskManagement/Comment.ts
  class Comment (line 4) | class Comment {
    method constructor (line 10) | constructor(content: string, author: User) {
    method getAuthor (line 17) | getAuthor() {

FILE: solutions/typescript/src/TaskManagement/SortingStrategy/SortByDueDate.ts
  class SortByDueDate (line 4) | class SortByDueDate implements TaskSortingStrategy {
    method sort (line 5) | sort(tasks: Task[]) {

FILE: solutions/typescript/src/TaskManagement/SortingStrategy/SortByPriority.ts
  class SortByPriority (line 4) | class SortByPriority implements TaskSortingStrategy {
    method sort (line 12) | sort(tasks: Task[]): void {

FILE: solutions/typescript/src/TaskManagement/SortingStrategy/TaskSortingStrategy.ts
  type TaskSortingStrategy (line 3) | interface TaskSortingStrategy {

FILE: solutions/typescript/src/TaskManagement/Task.ts
  class Task (line 8) | class Task {
    method constructor (line 22) | constructor(
    method addComment (line 44) | addComment(comment: Comment) {
    method addSubtask (line 49) | addSubtask(subtask: Task) {
    method logActivity (line 54) | logActivity(action: string) {
    method updateStatus (line 58) | updateStatus(status: TaskStatusEnum) {
    method updatePriority (line 63) | updatePriority(priority: TaskPriorityEnum) {
    method assignUser (line 68) | assignUser(user: User) {
    method getId (line 73) | getId() {
    method getTitle (line 77) | getTitle() {
    method getPriority (line 81) | getPriority() {
    method getDueDate (line 85) | getDueDate() {
    method getAssignedTo (line 89) | getAssignedTo() {
    method getCreatedBy (line 93) | getCreatedBy() {
    method getDescription (line 97) | getDescription() {
    method getStatus (line 101) | getStatus() {

FILE: solutions/typescript/src/TaskManagement/TaskList.ts
  class TaskList (line 4) | class TaskList {
    method constructor (line 9) | constructor(name: string) {
    method addTask (line 15) | addTask(task: Task) {
    method getTasks (line 19) | getTasks() {
    method getId (line 23) | getId() {
    method getName (line 27) | getName() {

FILE: solutions/typescript/src/TaskManagement/TaskManagementSystem.ts
  class TaskManagementSystem (line 9) | class TaskManagementSystem {
    method constructor (line 15) | private constructor() {
    method getInstance (line 21) | static getInstance() {
    method createUser (line 28) | createUser(name: string, email: string) {
    method createTaskList (line 34) | createTaskList(listName: string) {
    method createTask (line 40) | createTask(
    method getTaskById (line 61) | getTaskById(taskId: string) {
    method updateTaskStatus (line 69) | updateTaskStatus(taskId: string, status: TaskStatusEnum) {
    method updateTaskPriority (line 73) | updateTaskPriority(taskId: string, priority: TaskPriorityEnum) {
    method assignTask (line 77) | assignTask(taskId: string, userId: string) {
    method addComment (line 83) | addComment(taskId: string, commentText: string, author: User) {
    method listTasksByUser (line 88) | listTasksByUser(userId: string) {
    method listTasksByStatus (line 94) | listTasksByStatus(status: TaskStatusEnum) {
    method deleteTask (line 100) | deleteTask(taskId: string) {
    method searchTasks (line 104) | searchTasks(keyword: string, sortingStrategy: TaskSortingStrategy) {

FILE: solutions/typescript/src/TaskManagement/TaskManagementSystemDemo.ts
  class TaskManagementDemo (line 6) | class TaskManagementDemo {
    method run (line 7) | static run() {

FILE: solutions/typescript/src/TaskManagement/TaskPriorityEnum.ts
  type TaskPriorityEnum (line 1) | enum TaskPriorityEnum {

FILE: solutions/typescript/src/TaskManagement/TaskStatusEnum.ts
  type TaskStatusEnum (line 1) | enum TaskStatusEnum {

FILE: solutions/typescript/src/TaskManagement/User.ts
  class User (line 3) | class User {
    method constructor (line 8) | constructor(name: string, email: string) {
    method getName (line 14) | getName() {
    method getId (line 18) | getId() {
    method getEmail (line 22) | getEmail() {

FILE: solutions/typescript/src/TrafficSignalSystem/Direction.ts
  type DirectionEnum (line 1) | enum DirectionEnum {

FILE: solutions/typescript/src/TrafficSignalSystem/Intersection.ts
  class Intersection (line 5) | class Intersection {
    method constructor (line 11) | constructor(
    method start (line 22) | start(startDirection: DirectionEnum) {
    method manualOverride (line 26) | manualOverride(direction: DirectionEnum) {
    method getSignal (line 31) | getSignal(direction: DirectionEnum) {

FILE: solutions/typescript/src/TrafficSignalSystem/SignalState/GreenState.ts
  class GreenState (line 7) | class GreenState implements SignalState {
    method handle (line 8) | handle(
    method getName (line 23) | getName() {

FILE: solutions/typescript/src/TrafficSignalSystem/SignalState/RedState.ts
  class RedState (line 7) | class RedState implements SignalState {
    method handle (line 8) | handle(
    method getName (line 26) | getName() {

FILE: solutions/typescript/src/TrafficSignalSystem/SignalState/SignalState.ts
  type SignalState (line 5) | interface SignalState {

FILE: solutions/typescript/src/TrafficSignalSystem/SignalState/YellowState.ts
  class YellowState (line 7) | class YellowState implements SignalState {
    method handle (line 8) | handle(
    method getName (line 23) | getName() {

FILE: solutions/typescript/src/TrafficSignalSystem/TrafficLight.ts
  class TrafficLight (line 6) | class TrafficLight {
    method constructor (line 10) | constructor(direction: DirectionEnum) {
    method setState (line 15) | setState(state: SignalState) {
    method getState (line 19) | getState() {
    method getDirection (line 23) | getDirection() {
    method handle (line 27) | handle(controller: TrafficSignalController) {

FILE: solutions/typescript/src/TrafficSignalSystem/TrafficSignalController.ts
  class TrafficSignalController (line 6) | class TrafficSignalController {
    method constructor (line 10) | constructor(
    method start (line 18) | start(startDirection: DirectionEnum) {
    method scheduleStateChange (line 25) | scheduleStateChange(
    method getSignalDuration (line 37) | getSignalDuration(direction: DirectionEnum, state: SignalState) {
    method getNextDirection (line 41) | getNextDirection(current: DirectionEnum): DirectionEnum {
    method getTrafficLight (line 47) | getTrafficLight(direction: DirectionEnum) {
    method manualOverride (line 53) | manualOverride(direction: DirectionEnum) {

FILE: solutions/typescript/src/TrafficSignalSystem/TrafficSignalSystemDemo.ts
  class TrafficSignalSystemDemo (line 5) | class TrafficSignalSystemDemo {
    method run (line 6) | static run() {

FILE: solutions/typescript/src/VendingMachine/Coin.ts
  type Coin (line 1) | enum Coin {

FILE: solutions/typescript/src/VendingMachine/Inventory.ts
  class Inventory (line 3) | class Inventory {
    method constructor (line 7) | constructor() {
    method addItem (line 12) | addItem(code: string, item: Item, quantity: number) {
    method getItem (line 17) | getItem(code: string) {
    method isAvailable (line 21) | isAvailable(code: string) {
    method reduceStock (line 25) | reduceStock(code: string) {

FILE: solutions/typescript/src/VendingMachine/Item.ts
  class Item (line 1) | class Item {
    method constructor (line 6) | constructor(code: string, name: string, price: number) {
    method getName (line 12) | getName() {
    method getPrice (line 16) | getPrice() {

FILE: solutions/typescript/src/VendingMachine/VendingMachine.ts
  class VendingMachine (line 10) | class VendingMachine {
    method constructor (line 23) | private constructor() {
    method getInstance (line 34) | static getInstance() {
    method insertCoin (line 41) | insertCoin(coin: Coin) {
    method addItem (line 45) | addItem(code: string, name: string, price: number, quantity: number) {
    method selectItem (line 51) | selectItem(code: string) {
    method dispense (line 55) | dispense() {
    method dispenseItem (line 59) | dispenseItem() {
    method refundBalance (line 81) | refundBalance() {
    method resetToIdleState (line 86) | resetToIdleState() {
    method addBalance (line 91) | addBalance(value: number) {
    method getIdleState (line 96) | getIdleState() {
    method getItemSelectedState (line 100) | getItemSelectedState() {
    method getHasMoneyState (line 104) | getHasMoneyState() {
    method getDispensingState (line 108) | getDispensingState() {
    method getInventory (line 112) | getInventory() {
    method getSelectedItem (line 116) | getSelectedItem() {
    method setSelectedItemCode (line 123) | setSelectedItemCode(code: string) {
    method getBalance (line 127) | getBalance() {
    method setState (line 131) | setState(state: VendingMachineState) {

FILE: solutions/typescript/src/VendingMachine/VendingMachineDemo.ts
  class VendingMachineDemo (line 4) | class VendingMachineDemo{
    method run (line 5) | static run(){

FILE: solutions/typescript/src/VendingMachine/VendingMachineState/DispensingState.ts
  class DispensingState (line 4) | class DispensingState implements VendingMachineState {
    method constructor (line 7) | constructor(machine: VendingMachine) {
    method insertCoin (line 11) | insertCoin(): void {
    method selectItem (line 15) | selectItem() {
    method dispense (line 19) | dispense() {
    method refund (line 23) | refund() {

FILE: solutions/typescript/src/VendingMachine/VendingMachineState/HasMoneyState.ts
  class HasMoneyState (line 4) | class HasMoneyState implements VendingMachineState {
    method constructor (line 7) | constructor(machine: VendingMachine) {
    method insertCoin (line 11) | insertCoin() {
    method selectItem (line 15) | selectItem() {
    method dispense (line 19) | dispense() {
    method refund (line 24) | refund() {

FILE: solutions/typescript/src/VendingMachine/VendingMachineState/IdleState.ts
  class IdleState (line 4) | class IdleState implements VendingMachineState {
    method constructor (line 7) | constructor(machine: VendingMachine) {
    method selectItem (line 11) | selectItem(code: string): void {
    method insertCoin (line 22) | insertCoin(): void {
    method dispense (line 26) | dispense(): void {
    method refund (line 30) | refund(): void {

FILE: solutions/typescript/src/VendingMachine/VendingMachineState/ItemSelectedState.ts
  class ItemSelectedState (line 5) | class ItemSelectedState implements VendingMachineState {
    method constructor (line 8) | constructor(machine: VendingMachine) {
    method insertCoin (line 12) | insertCoin(coin: Coin) {
    method selectItem (line 27) | selectItem() {
    method dispense (line 31) | dispense() {
    method refund (line 35) | refund() {

FILE: solutions/typescript/src/VendingMachine/VendingMachineState/VendingMachineState.ts
  type VendingMachineState (line 3) | interface VendingMachineState {