\n * 原则：重写一个对象的 equals方法时，必须同时重写 hashCode方法\n * 两个对象 equals，两个对象必须拥有相同的 hashcode.\n * \n * 扩展：hashcode算法\n *\n * @return\n */\n public int hashCode() {\n return firstName.hashCode();\n }\n\n public int compareTo(Object o) {\n Name n = (Name) o;\n int lastCmp = lastName.compareTo(n.lastName);\n return lastCmp != 0 ? lastCmp : firstName.compareTo(n.firstName);\n }\n\n}\n"
},
{
"path": "src/main/java/com/basic/chapter0600/BasicGeneric.java",
"content": "package com.basic.chapter0600;\n\nimport java.util.*;\n\n/**\n * Java 泛型底层:\n * https://www.cnblogs.com/liang1101/p/6407871.html\n *\n * @author MarkShen\n * @since 20191221\n */\npublic class BasicGeneric {\n public static void main(String[] args) {\n /**\n * 泛型起因：\n * JDK1.4以前类型不明确\n * 装入集合的类型被当作Object被对待，从而失去自己实际的类型\n * 从集合中取出时往往需要转型，效率低，容易产生错误\n * 解决方法：\n * 在定义集合的时候，同时定义集合中元素的类型\n * 可在定义Collection的时候指定\n * 也可在循环时用Iterator指定\n *\n * 好处：\n * 增强程序的可读性和稳定性\n */\n // 有序可以重复\n List c = new ArrayList();\n c.add(\"aaa\");\n c.add(\"bbb\");\n c.add(\"ccc\");\n for (int i = 0; i < c.size(); i++) {\n String s = c.get(i);\n System.out.println(s);\n }\n c.add(1, \"insert\");\n System.out.println();\n for (String s : c) {\n System.out.println(s);\n }\n\n Collection c2 = new HashSet();\n c2.add(\"aaa\");\n c2.add(\"bbb\");\n c2.add(\"ccc\");\n for (Iterator it = c2.iterator(); it.hasNext(); ) {\n String s = it.next();\n System.out.println(s);\n }\n }\n}\n\nclass MyName implements Comparable {\n int age;\n\n public int compareTo(MyName mn) {\n if (this.age > mn.age) return 1;\n else if (this.age < mn.age) return -1;\n else return 0;\n }\n}\n\n"
},
{
"path": "src/main/java/com/basic/chapter0600/CollectionsTest.java",
"content": "package com.basic.chapter0600;\n\nimport java.util.Collections;\nimport java.util.LinkedList;\nimport java.util.List;\n\n/**\n * 工具类测试 Collections\n *\n * @author MarkShen\n * @since 20191217\n */\npublic class CollectionsTest {\n public static void main(String[] args) {\n List strs = new LinkedList<>();\n\n for (int i = 0; i < 10; i++) {\n strs.add(\"a\" + i);\n }\n System.out.println(strs);\n\n Collections.shuffle(strs);\n System.out.println(strs);\n\n Collections.reverse(strs);\n System.out.println(strs);\n\n Collections.sort(strs);\n System.out.println(strs);\n System.out.println(Collections.binarySearch(strs, \"a5\"));\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter0600/DataStructureSelection.java",
"content": "package com.basic.chapter0600;\n\n/**\n * 数据结构选择\n */\npublic class DataStructureSelection {\n public static void main(String[] args) {\n // 读快写慢 ArrayList 基于数组实现\n // 写快读慢 LinkedList 基于链表实现\n // 介于两者中间 Hash\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter0600/EnhancedFor.java",
"content": "package com.basic.chapter0600;\n\nimport java.util.*;\n\npublic class EnhancedFor {\n public static void main(String[] args) {\n int[] arr = {1, 2, 3, 4, 5};\n for (int i : arr) {\n System.out.println(i);\n }\n\n Collection c = new ArrayList();\n c.add(new String(\"aaa\"));\n c.add(new String(\"bbb\"));\n c.add(new String(\"ccc\"));\n for (Object o : c) {\n System.out.println(o);\n }\n }\n}"
},
{
"path": "src/main/java/com/basic/chapter0600/IteratorTest.java",
"content": "package com.basic.chapter0600;\n\nimport java.util.ArrayList;\nimport java.util.Iterator;\nimport java.util.List;\n\n/**\n * Iterator 测试\n *\n * @author MarkShen\n * @since 20191210\n */\npublic class IteratorTest {\n public static void main(String[] args) {\n // List 有序，可以重复\n List list = new ArrayList<>();\n list.add(\"a\");\n list.add(\"b\");\n list.add(\"c\");\n list.add(\"d\");\n\n for (Iterator it = list.iterator(); it.hasNext(); ) {\n if (\"d\".equals(it.next())) {\n it.remove();\n // list.remove(\"d\"); // 会抛出 java.util.ConcurrentModificationException 异常\n }\n }\n\n for (String str : list) {\n System.out.println(str);\n }\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter0600/SetTest.java",
"content": "package com.basic.chapter0600;\n\nimport java.util.HashSet;\nimport java.util.Set;\n\n/**\n * Set：无序，不可重复\n *\n * @author MarkShen\n * @since 20191210\n */\npublic class SetTest {\n public static void main(String[] args) {\n Set set = new HashSet<>();\n set.add(\"a\");\n set.add(\"a\");\n set.add(\"b\");\n\n for (String str : set) {\n System.out.println(str);\n }\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter0600/TestArgsWords.java",
"content": "package com.basic.chapter0600;\n\nimport java.util.*;\n\n/**\n * 参数中每个单词出现的次数\n * auto-boxing\n * auto-unboxing\n *\n * @author MarkShen\n * @since 20191221\n */\npublic class TestArgsWords {\n // private static final Integer ONE = new Integer(1);\n private static final int ONE = 1;\n\n public static void main(String args[]) {\n Map m = new HashMap();\n for (int i = 0; i < args.length; i++) {\n //Integer freq = (Integer) m.get(args[i]);\n\n int freq = (Integer) m.get(args[i]) == null ? 0 : (Integer) m.get(args[i]);\n //m.put(args[i],(freq == null? ONE : new Integer(freq.intValue() + 1)));\n m.put(args[i], freq == 0 ? ONE : freq + 1);\n }\n System.out.println(m.size() + \" distinct words detected:\");\n System.out.println(m);\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter0600/TestArgsWords2.java",
"content": "package com.basic.chapter0600;\n\nimport java.util.*;\n\npublic class TestArgsWords2 {\n private static final int ONE = 1;\n\n public static void main(String args[]) {\n Map m = new HashMap();\n for (int i = 0; i < args.length; i++) {\n\n if (!m.containsKey(args[i])) {\n m.put(args[i], ONE);\n } else {\n int freq = m.get(args[i]);\n m.put(args[i], freq + 1);\n }\n\n }\n System.out.println(m.size() + \" distinct words detected:\");\n System.out.println(m);\n\n System.out.println(\"通过Map.entrySet使用iterator遍历key和value：\");\n Iterator> it = m.entrySet().iterator();\n while (it.hasNext()) {\n Map.Entry entry = it.next();\n System.out.println(\"key= \" + entry.getKey() + \" and value= \" + entry.getValue());\n }\n\n System.out.println(\"通过Map.entrySet遍历key和value\");\n for (Map.Entry entry : m.entrySet()) {\n System.out.println(\"key= \" + entry.getKey() + \" and value= \" + entry.getValue());\n }\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter0600/TestMap.java",
"content": "package com.basic.chapter0600;\n\nimport java.util.*;\n\n/**\n * key-value\n * Auto boxing unboxing\n * Java 自动打包，解包对性能的影响\n * https://www.cnblogs.com/kakaku/articles/1320191.html\n *\n * @author MarkShen\n * @since 20191211\n */\npublic class TestMap {\n public static void main(String args[]) {\n Map m1 = new HashMap();\n Map m2 = new TreeMap();\n //m1.put(\"one\",new Integer(1));\n m1.put(\"one\", 1);\n //m1.put(\"two\",new Integer(2));\n m1.put(\"two\", 2);\n //m1.put(\"three\",new Integer(3));\n m1.put(\"three\", 3);\n //m2.put(\"A\",new Integer(1));\n m2.put(\"A\", 1);\n //m2.put(\"B\",new Integer(2));\n m2.put(\"B\", 2);\n System.out.println(m1.size());\n System.out.println(m1.containsKey(\"one\"));\n System.out.println\n //(m2.containsValue(new Integer(1)));\n (m2.containsValue(1));\n if (m1.containsKey(\"two\")) {\n //int i = ((Integer)m1.get(\"two\")).intValue();\n int i = (Integer) m1.get(\"two\");\n System.out.println(i);\n }\n Map m3 = new HashMap(m1);\n m3.putAll(m2);\n System.out.println(m3);\n }\n}"
},
{
"path": "src/main/java/com/basic/chapter0600/TestMap2.java",
"content": "package com.basic.chapter0600;\n\nimport java.util.*;\n\n/**\n * 两个类如果equals,那么他们之间的hashcode必须一样\n * \n * 多读Map接口对应的API, JavaDoc\n */\npublic class TestMap2 {\n public static void main(String args[]) {\n Map m1 = new HashMap();\n m1.put(\"one\", 1);\n m1.put(\"two\", 2);\n m1.put(\"three\", 3);\n\n System.out.println(m1.size());\n System.out.println(m1.containsKey(\"one\"));\n\n if (m1.containsKey(\"two\")) {\n // int i = ((Integer)m1.get(\"two\")).intValue();\n int i = m1.get(\"two\");\n System.out.println(i);\n }\n }\n}"
},
{
"path": "src/main/java/com/basic/chapter0700/FileCopy.java",
"content": "package com.basic.chapter0700;\n\nimport java.io.*;\n\npublic class FileCopy {\n public static void main(String[] args) {\n int b = 0;\n FileReader in = null;\n FileWriter out = null;\n try {\n in = new FileReader(\"d:/share/java/HelloWorld.java\");\n out = new FileWriter(\"d:/share/java/io/HW.java\");\n while ((b = in.read()) != -1) {\n out.write(b);\n }\n out.close();\n in.close();\n } catch (FileNotFoundException e2) {\n e2.printStackTrace();\n System.exit(-1);\n } catch (IOException e1) {\n e1.printStackTrace();\n System.exit(-1);\n }\n System.out.println(\"success\");\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter0700/HelloWorld.java",
"content": "package com.basic.chapter0700;\n\n/**\n * java.io.*;\n * io包裝的类\n * 流的分类：\n * 方向(站在程序的角度)：输入流，输出流\n * 处理数据单位：字节(1 byte)流，字符(2 bytes)流\n * 功能：节点流，处理流\n * \n * 一定要多差Java API\n *\n * @author MarkShen\n * @since 20191221\n */\npublic class HelloWorld {\n\n static int j = 9;\n\n public static void main(String[] asdfasf) {\n System.out.println(\"HW\");\n System.out.println(123);\n System.out.println(j);\n int i = 8;\n }\n\n public static void m() {\n }\n\n}\n\nclass TT {\n}"
},
{
"path": "src/main/java/com/basic/chapter0700/TestBufferStream1.java",
"content": "package com.basic.chapter0700;\n\nimport java.io.*;\n\npublic class TestBufferStream1 {\n public static void main(String[] args) {\n try {\n FileInputStream fis =\n new FileInputStream(\"d:\\\\share\\\\java\\\\HelloWorld.java\");\n BufferedInputStream bis =\n new BufferedInputStream(fis);\n int c = 0;\n System.out.println(bis.read());\n System.out.println(bis.read());\n bis.mark(100);\n for (int i = 0; i <= 10 && (c = bis.read()) != -1; i++) {\n System.out.print((char) c + \" \");\n }\n System.out.println();\n bis.reset();\n for (int i = 0; i <= 10 && (c = bis.read()) != -1; i++) {\n System.out.print((char) c + \" \");\n }\n bis.close();\n } catch (IOException e) {\n e.printStackTrace();\n }\n }\n}"
},
{
"path": "src/main/java/com/basic/chapter0700/TestBufferStream2.java",
"content": "package com.basic.chapter0700;\n\nimport java.io.*;\n\npublic class TestBufferStream2 {\n public static void main(String[] args) {\n try {\n BufferedWriter bw = new BufferedWriter(new FileWriter(\"d:\\\\share\\\\java\\\\dat2.txt\"));\n BufferedReader br = new BufferedReader(new FileReader(\"d:\\\\share\\\\java\\\\dat2.txt\"));\n String s = null;\n for (int i = 1; i <= 100; i++) {\n s = String.valueOf(Math.random());\n bw.write(s);\n bw.newLine();\n }\n bw.flush();\n while ((s = br.readLine()) != null) {\n System.out.println(s);\n }\n bw.close();\n br.close();\n } catch (IOException e) {\n e.printStackTrace();\n }\n }\n}"
},
{
"path": "src/main/java/com/basic/chapter0700/TestDataStream.java",
"content": "package com.basic.chapter0700;\n\nimport java.io.*;\n\npublic class TestDataStream {\n public static void main(String[] args) {\n ByteArrayOutputStream baos = new ByteArrayOutputStream();\n DataOutputStream dos = new DataOutputStream(baos);\n try {\n dos.writeDouble(Math.random());\n dos.writeBoolean(true);\n ByteArrayInputStream bais =\n new ByteArrayInputStream(baos.toByteArray());\n System.out.println(bais.available());\n DataInputStream dis = new DataInputStream(bais);\n System.out.println(dis.readDouble());\n System.out.println(dis.readBoolean());\n dos.close();\n dis.close();\n } catch (IOException e) {\n e.printStackTrace();\n }\n }\n}"
},
{
"path": "src/main/java/com/basic/chapter0700/TestFileInputStream.java",
"content": "package com.basic.chapter0700;\n\nimport java.io.*;\n\npublic class TestFileInputStream {\n public static void main(String[] args) {\n int b = 0;\n FileInputStream in = null;\n try {\n in = new FileInputStream(\"d:\\\\share\\\\java\\\\io\\\\TestFileInputStream.java\");\n } catch (FileNotFoundException e) {\n System.out.println(\"找不到指定的文件\");\n System.exit(-1);\n }\n\n try {\n long num = 0;\n while ((b = in.read()) != -1) {\n System.out.print((char) b);\n num++;\n }\n in.close();\n System.out.println();\n System.out.println(\"共读取了 \" + num + \" 个字节\");\n } catch (IOException e1) {\n System.out.println(\"文件读取错误\");\n System.exit(-1);\n }\n }\n}"
},
{
"path": "src/main/java/com/basic/chapter0700/TestFileOutputStream.java",
"content": "package com.basic.chapter0700;\n\nimport java.io.*;\n\npublic class TestFileOutputStream {\n public static void main(String[] args) {\n int b = 0;\n FileInputStream in = null;\n FileOutputStream out = null;\n try {\n in = new FileInputStream(\"d:/share/java/HelloWorld.java\");\n out = new FileOutputStream(\"d:/share/java/io/HW.java\");\n while ((b = in.read()) != -1) {\n out.write(b);\n }\n in.close();\n out.close();\n } catch (FileNotFoundException e2) {\n System.out.println(\"找不到指定文件\");\n System.exit(-1);\n } catch (IOException e1) {\n System.out.println(\"文件复制错误\");\n System.exit(-1);\n }\n System.out.println(\"文件已复制\");\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter0700/TestFileReader.java",
"content": "package com.basic.chapter0700;\n\nimport java.io.*;\n\npublic class TestFileReader {\n public static void main(String[] args) {\n FileReader fr = null;\n int c = 0;\n try {\n fr = new FileReader(\"d:\\\\share\\\\java\\\\io\\\\TestFileReader.java\");\n int ln = 0;\n while ((c = fr.read()) != -1) {\n //char ch = (char) fr.read();\n System.out.print((char) c);\n //if (++ln >= 100) { System.out.println(); ln = 0;}\n }\n fr.close();\n } catch (FileNotFoundException e) {\n System.out.println(\"找不到指定文件\");\n } catch (IOException e) {\n System.out.println(\"文件读取错误\");\n }\n }\n}"
},
{
"path": "src/main/java/com/basic/chapter0700/TestFileWriter.java",
"content": "package com.basic.chapter0700;\n\nimport java.io.*;\n\npublic class TestFileWriter {\n public static void main(String[] args) {\n FileWriter fw = null;\n try {\n fw = new FileWriter(\"d:\\\\bak\\\\unicode.dat\");\n for (int c = 0; c <= 50000; c++) {\n fw.write(c);\n }\n fw.close();\n } catch (IOException e1) {\n e1.printStackTrace();\n System.out.println(\"文件写入错误\");\n System.exit(-1);\n }\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter0700/TestFileWriter2.java",
"content": "package com.basic.chapter0700;\n\nimport java.io.*;\n\npublic class TestFileWriter2 {\n public static void main(String[] args) throws Exception {\n FileReader fr = new FileReader(\"d:/java/io/TestFileWriter2.java\");\n FileWriter fw = new FileWriter(\"d:/java/io/TestFileWriter2.bak\");\n int b;\n while ((b = fr.read()) != -1) {\n fw.write(b);\n }\n fr.close();\n fw.close();\n }\n}"
},
{
"path": "src/main/java/com/basic/chapter0700/TestObjectIO.java",
"content": "package com.basic.chapter0700;\n\nimport java.io.*;\n\npublic class TestObjectIO {\n public static void main(String args[]) throws Exception {\n T t = new T();\n t.k = 8;\n FileOutputStream fos = new FileOutputStream(\"d:/share/java/io/testobjectio.dat\");\n ObjectOutputStream oos = new ObjectOutputStream(fos);\n oos.writeObject(t);\n oos.flush();\n oos.close();\n\n FileInputStream fis = new FileInputStream(\"d:/share/java/io/testobjectio.dat\");\n ObjectInputStream ois = new ObjectInputStream(fis);\n T tReaded = (T) ois.readObject();\n System.out.println(tReaded.i + \" \" + tReaded.j + \" \" + tReaded.d + \" \" + tReaded.k);\n }\n}\n\nclass T implements Serializable {\n int i = 10;\n int j = 9;\n double d = 2.3;\n transient int k = 15;\n}"
},
{
"path": "src/main/java/com/basic/chapter0700/TestPrintStream1.java",
"content": "package com.basic.chapter0700;\n\nimport java.io.*;\n\npublic class TestPrintStream1 {\n public static void main(String[] args) {\n PrintStream ps = null;\n try {\n FileOutputStream fos = new FileOutputStream(\"d:\\\\bak\\\\log.dat\");\n ps = new PrintStream(fos);\n } catch (IOException e) {\n e.printStackTrace();\n }\n if (ps != null) {\n System.setOut(ps);\n }\n int ln = 0;\n for (char c = 0; c <= 60000; c++) {\n System.out.print(c + \" \");\n if (ln++ >= 100) {\n System.out.println();\n ln = 0;\n }\n }\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter0700/TestPrintStream2.java",
"content": "package com.basic.chapter0700;\n\nimport java.io.*;\n\npublic class TestPrintStream2 {\n public static void main(String[] args) {\n String filename = args[0];\n if (filename != null) {\n list(filename, System.out);\n }\n }\n\n public static void list(String f, PrintStream fs) {\n try {\n BufferedReader br = new BufferedReader(new FileReader(f));\n String s = null;\n while ((s = br.readLine()) != null) {\n fs.println(s);\n }\n br.close();\n } catch (IOException e) {\n fs.println(e);\n }\n }\n}"
},
{
"path": "src/main/java/com/basic/chapter0700/TestPrintStream3.java",
"content": "package com.basic.chapter0700;\n\nimport java.util.*;\nimport java.io.*;\n\npublic class TestPrintStream3 {\n public static void main(String[] args) {\n String s = null;\n BufferedReader br = new BufferedReader(new InputStreamReader(System.in));\n try {\n FileWriter fw = new FileWriter(\"d:\\\\bak\\\\logfile.log\", true); //Log4J\n PrintWriter log = new PrintWriter(fw);\n while ((s = br.readLine()) != null) {\n if (s.equalsIgnoreCase(\"exit\")) break;\n System.out.println(s.toUpperCase());\n log.println(\"-----\");\n log.println(s.toUpperCase());\n log.flush();\n }\n log.println(\"===\" + new Date() + \"===\");\n log.flush();\n log.close();\n } catch (IOException e) {\n e.printStackTrace();\n }\n }\n}"
},
{
"path": "src/main/java/com/basic/chapter0700/TestTransForm1.java",
"content": "package com.basic.chapter0700;\n\nimport java.io.*;\n\npublic class TestTransForm1 {\n public static void main(String[] args) {\n try {\n OutputStreamWriter osw = new OutputStreamWriter(new FileOutputStream(\"d:\\\\bak\\\\char.txt\"));\n osw.write(\"mircosoftibmsunapplehp\");\n System.out.println(osw.getEncoding());\n osw.close();\n osw = new OutputStreamWriter(new FileOutputStream(\"d:\\\\bak\\\\char.txt\", true), \"ISO8859_1\"); // latin-1\n osw.write(\"mircosoftibmsunapplehp\");\n System.out.println(osw.getEncoding());\n osw.close();\n } catch (IOException e) {\n e.printStackTrace();\n }\n }\n}"
},
{
"path": "src/main/java/com/basic/chapter0700/TestTransForm2.java",
"content": "package com.basic.chapter0700;\n\nimport java.io.*;\n\npublic class TestTransForm2 {\n public static void main(String args[]) {\n InputStreamReader isr = new InputStreamReader(System.in);\n BufferedReader br = new BufferedReader(isr);\n String s = null;\n try {\n s = br.readLine();\n while (s != null) {\n if (s.equalsIgnoreCase(\"exit\")) break;\n System.out.println(s.toUpperCase());\n s = br.readLine();\n }\n br.close();\n } catch (IOException e) {\n e.printStackTrace();\n }\n }\n} // 阻塞"
},
{
"path": "src/main/java/com/basic/chapter0700/TreeDir.java",
"content": "package com.basic.chapter0700;\n\nimport java.io.*;\n\npublic class TreeDir {\n public static void main(String[] args) {\n listF(new File(\"d:/test\"), 0);\n }\n\n public static void listF(File f, int level) {\n String preStr = \"\";\n for (int i = 0; i < level; i++) preStr += \" \";\n System.out.println(preStr + f.getName());\n if (f.isDirectory()) {\n File[] files = f.listFiles();\n for (File cf : files) listF(cf, level + 1);\n }\n }\n}"
},
{
"path": "src/main/java/com/basic/chapter0800/111.txt",
"content": "1 2 3 4 5 \n6 7 8 9 10 \n11 12 13 14 15 \n16 17 18 19 20 \n21 22 23 24 25 \n"
},
{
"path": "src/main/java/com/basic/chapter0800/ProducerConsumer.java",
"content": "package com.basic.chapter0800;\n\npublic class ProducerConsumer {\n\tpublic static void main(String[] args) {\n\t\tSyncStack ss = new SyncStack();\n\t\tProducer p = new Producer(ss);\n\t\tConsumer c = new Consumer(ss);\n\t\tnew Thread(p).start();\n\t\tnew Thread(p).start();\n\t\tnew Thread(p).start();\n\t\tnew Thread(c).start();\n\t}\n}\n\nclass WoTou {\n\tint id; \n\tWoTou(int id) {\n\t\tthis.id = id;\n\t}\n\tpublic String toString() {\n\t\treturn \"WoTou : \" + id;\n\t}\n}\n\nclass SyncStack {\n\tint index = 0;\n\tWoTou[] arrWT = new WoTou[6];\n\t\n\tpublic synchronized void push(WoTou wt) {\n\t\twhile(index == arrWT.length) {\n\t\t\ttry {\n\t\t\t\tthis.wait();\n\t\t\t} catch (InterruptedException e) {\n\t\t\t\te.printStackTrace();\n\t\t\t}\n\t\t}\n\t\tthis.notifyAll();\t// 叫醒所有在该对象上的线程\n\t\tarrWT[index] = wt;\n\t\tindex ++;\n\t}\n\t\n\tpublic synchronized WoTou pop() {\n\t\twhile(index == 0) {\n\t\t\ttry {\n\t\t\t\tthis.wait();\n\t\t\t} catch (InterruptedException e) {\n\t\t\t\te.printStackTrace();\n\t\t\t}\n\t\t}\n\t\tthis.notifyAll();\n\t\tindex--;\n\t\treturn arrWT[index];\n\t}\n}\n\nclass Producer implements Runnable {\n\tSyncStack ss = null;\n\tProducer(SyncStack ss) {\n\t\tthis.ss = ss;\n\t}\n\t\n\tpublic void run() {\n\t\tfor(int i=0; i<20; i++) {\n\t\t\tWoTou wt = new WoTou(i);\n\t\t\tss.push(wt);\nSystem.out.println(\"生产了：\" + wt);\n\t\t\ttry {\n\t\t\t\tThread.sleep((int)(Math.random() * 200));\n\t\t\t} catch (InterruptedException e) {\n\t\t\t\te.printStackTrace();\n\t\t\t}\t\t\t\n\t\t}\n\t}\n}\n\nclass Consumer implements Runnable {\n\tSyncStack ss = null;\n\tConsumer(SyncStack ss) {\n\t\tthis.ss = ss;\n\t}\n\t\n\tpublic void run() {\n\t\tfor(int i=0; i<20; i++) {\n\t\t\tWoTou wt = ss.pop();\nSystem.out.println(\"消费了: \" + wt);\n\t\t\ttry {\n\t\t\t\tThread.sleep((int)(Math.random() * 1000));\n\t\t\t} catch (InterruptedException e) {\n\t\t\t\te.printStackTrace();\n\t\t\t}\t\t\t\n\t\t}\n\t}\n}"
},
{
"path": "src/main/java/com/basic/chapter0800/ProducerConsumer2.java",
"content": "package com.basic.chapter0800;\n\npublic class ProducerConsumer2 {\n public static void main(String args[]) {\n SyncStack2 stack = new SyncStack2();\n Runnable p = new Producer2(stack);\n Runnable c = new Consumer2(stack);\n Thread t1 = new Thread(p);\n Thread t2 = new Thread(c);\n t1.start();\n t2.start();\n }\n}\n\n\nclass SyncStack2 {\n private int index = 0;\n private char[] data = new char[6];\n\n public synchronized void push(char c) {\n if (index == data.length) {\n try {\n this.wait();\n } catch (InterruptedException e) {\n }\n }\n this.notify();\n data[index] = c;\n index++;\n }\n\n public synchronized char pop() {\n if (index == 0) {\n try {\n this.wait();\n } catch (InterruptedException e) {\n }\n }\n this.notify();\n index--;\n return data[index];\n }\n}\n\n\nclass Producer2 implements Runnable {\n SyncStack2 stack;\n\n public Producer2(SyncStack2 s) {\n stack = s;\n }\n\n public void run() {\n for (int i = 0; i < 20; i++) {\n char c = (char) (Math.random() * 26 + 'A');\n stack.push(c);\n System.out.println(\"produced: \" + c);\n try {\n Thread.sleep((int) (Math.random() * 1000));\n } catch (InterruptedException e) {\n }\n }\n }\n}\n\n\nclass Consumer2 implements Runnable {\n SyncStack2 stack;\n\n public Consumer2(SyncStack2 s) {\n stack = s;\n }\n\n public void run() {\n for (int i = 0; i < 20; i++) {\n char c = stack.pop();\n System.out.println(\"consumed: \" + c);\n try {\n Thread.sleep((int) (Math.random() * 1000));\n } catch (InterruptedException e) {\n }\n }\n }\n}\n\n"
},
{
"path": "src/main/java/com/basic/chapter0800/RecursiveFile.java",
"content": "package com.basic.chapter0800;\n\npublic class RecursiveFile {\n public static void main(String[] args) {\n\n }\n\n public static void f() {\n }\n}"
},
{
"path": "src/main/java/com/basic/chapter0800/T.java",
"content": "package com.basic.chapter0800;\n\npublic class T {\n public static void main(String[] args) {\n m1();\n }\n\n public static void m1() {\n m2();\n m3();\n }\n\n public static void m2() {\n }\n\n public static void m3() {\n }\n}"
},
{
"path": "src/main/java/com/basic/chapter0800/TT.java",
"content": "package com.basic.chapter0800;\n\npublic class TT implements Runnable {\n int b = 100;\n\n public synchronized void m1() throws Exception {\n //Thread.sleep(2000);\n b = 1000;\n Thread.sleep(5000);\n System.out.println(\"b = \" + b);\n }\n\n public synchronized void m2() throws Exception {\n Thread.sleep(2500);\n b = 2000;\n }\n\n public void run() {\n try {\n m1();\n } catch (Exception e) {\n e.printStackTrace();\n }\n }\n\n public static void main(String[] args) throws Exception {\n TT tt = new TT();\n Thread t = new Thread(tt);\n t.start();\n\n tt.m2();\n System.out.println(tt.b);\n }\n}"
},
{
"path": "src/main/java/com/basic/chapter0800/Test.java",
"content": "package com.basic.chapter0800;\n\nimport java.io.*;\n\npublic class Test {\n public static void main(String[] args) throws Exception {\n FileWriter fw = new FileWriter(\"111.txt\");\n BufferedWriter bw = new BufferedWriter(fw);\n for (int i = 1; i <= 25; i++) {\n bw.write(i + \" \");\n if (i % 5 == 0) bw.newLine();\n }\n\n bw.flush();\n bw.close();\n }\n}"
},
{
"path": "src/main/java/com/basic/chapter0800/TestDeadLock.java",
"content": "package com.basic.chapter0800;\n\npublic class TestDeadLock implements Runnable {\n\tpublic int flag = 1;\n\tstatic Object o1 = new Object(), o2 = new Object();\n\tpublic void run() {\nSystem.out.println(\"flag=\" + flag);\n\t\tif(flag == 1) {\n\t\t\tsynchronized(o1) {\n\t\t\t\ttry {\n\t\t\t\t\tThread.sleep(500);\n\t\t\t\t} catch (Exception e) {\n\t\t\t\t\te.printStackTrace();\n\t\t\t\t}\n\t\t\t\tsynchronized(o2) {\n\t\t\t\t\tSystem.out.println(\"1\");\t\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t\tif(flag == 0) {\n\t\t\tsynchronized(o2) {\n\t\t\t\ttry {\n\t\t\t\t\tThread.sleep(500);\n\t\t\t\t} catch (Exception e) {\n\t\t\t\t\te.printStackTrace();\n\t\t\t\t}\n\t\t\t\tsynchronized(o1) {\n\t\t\t\t\tSystem.out.println(\"0\");\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\t\n\t\n\tpublic static void main(String[] args) {\n\t\tTestDeadLock td1 = new TestDeadLock();\n\t\tTestDeadLock td2 = new TestDeadLock();\n\t\ttd1.flag = 1;\n\t\ttd2.flag = 0;\n\t\tThread t1 = new Thread(td1);\n\t\tThread t2 = new Thread(td2);\n\t\tt1.start();\n\t\tt2.start();\n\t}\n}"
},
{
"path": "src/main/java/com/basic/chapter0800/TestInterrupt.java",
"content": "package com.basic.chapter0800;\n\nimport java.util.*;\n\npublic class TestInterrupt {\n public static void main(String[] args) {\n MyThread thread = new MyThread();\n thread.start();\n try {\n Thread.sleep(10000);\n } catch (InterruptedException e) {\n }\n thread.interrupt();\n }\n}\n\nclass MyThread extends Thread {\n boolean flag = true;\n\n public void run() {\n while (flag) {\n System.out.println(\"===\" + new Date() + \"===\");\n try {\n sleep(1000);\n } catch (InterruptedException e) {\n return;\n }\n }\n }\n}\n/*\npublic void run() {\n while (true) {\n String temp = new Date().toString();\n String t = temp.substring(11, temp.indexOf('C'));\n t = t.trim();\n String[] time = t.split(\":\");\n if (time.length == 3) {\n System.out.println(time[0] + time[1] + time[2]);\n }\n try {\n Thread.sleep(5000);\n } catch (InterruptedException e) {\n return;\n } \n }\n }\n}\n*/"
},
{
"path": "src/main/java/com/basic/chapter0800/TestJoin.java",
"content": "package com.basic.chapter0800;\n\npublic class TestJoin {\n public static void main(String[] args) {\n MyThread2 t1 = new MyThread2(\"abcde\");\n t1.start();\n try {\n t1.join();\n } catch (InterruptedException e) {\n }\n\n for (int i = 1; i <= 10; i++) {\n System.out.println(\"i am main thread\");\n }\n }\n}\n\nclass MyThread2 extends Thread {\n MyThread2(String s) {\n super(s);\n }\n\n public void run() {\n for (int i = 1; i <= 10; i++) {\n System.out.println(\"i am \" + getName());\n try {\n sleep(1000);\n } catch (InterruptedException e) {\n return;\n }\n }\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter0800/TestPriority.java",
"content": "package com.basic.chapter0800;\n\npublic class TestPriority {\n public static void main(String[] args) {\n Thread t1 = new Thread(new T1());\n Thread t2 = new Thread(new T2());\n t1.setPriority(Thread.NORM_PRIORITY + 3);\n t1.start();\n t2.start();\n }\n}\n\nclass T1 implements Runnable {\n public void run() {\n for (int i = 0; i < 1000; i++) {\n System.out.println(\"T1: \" + i);\n }\n }\n}\n\nclass T2 implements Runnable {\n public void run() {\n for (int i = 0; i < 1000; i++) {\n System.out.println(\"------T2: \" + i);\n }\n }\n}"
},
{
"path": "src/main/java/com/basic/chapter0800/TestSync.java",
"content": "package com.basic.chapter0800;\n\npublic class TestSync implements Runnable {\n Timer timer = new Timer();\n\n public static void main(String[] args) {\n TestSync test = new TestSync();\n Thread t1 = new Thread(test);\n Thread t2 = new Thread(test);\n t1.setName(\"t1\");\n t2.setName(\"t2\");\n t1.start();\n t2.start();\n }\n\n public void run() {\n timer.add(Thread.currentThread().getName());\n }\n}\n\nclass Timer {\n private static int num = 0;\n\n public synchronized void add(String name) {\n // synchronized (this) {\n num++;\n try {\n Thread.sleep(1);\n } catch (InterruptedException e) {\n }\n System.out.println(name + \", \" + num);\n // }\n }\n}"
},
{
"path": "src/main/java/com/basic/chapter0800/TestThread1.java",
"content": "package com.basic.chapter0800;\n\npublic class TestThread1 {\n public static void main(String args[]) {\n Runner1 r = new Runner1();\n r.start();\n //r.run();\n //Thread t = new Thread(r);\n //t.start();\n\n for (int i = 0; i < 100; i++) {\n System.out.println(\"Main Thread:------\" + i);\n }\n }\n}\n\n//class Runner1 implements Runnable {\nclass Runner1 extends Thread {\n public void run() {\n for (int i = 0; i < 100; i++) {\n System.out.println(\"Runner1 :\" + i);\n }\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter0800/TestThread2.java",
"content": "package com.basic.chapter0800;\n\npublic class TestThread2 {\n public static void main(String args[]) {\n Runner2 r = new Runner2();\n Thread t1 = new Thread(r);\n Thread t2 = new Thread(r);\n t1.start();\n t2.start();\n }\n}\n\nclass Runner2 implements Runnable {\n public void run() {\n for (int i = 0; i < 30; i++) {\n System.out.println(\"No. \" + i);\n }\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter0800/TestThread3.java",
"content": "package com.basic.chapter0800;\n\npublic class TestThread3 {\n public static void main(String args[]) {\n Runner3 r = new Runner3();\n Thread t = new Thread(r);\n t.start();\n }\n}\n\nclass Runner3 implements Runnable {\n public void run() {\n for (int i = 0; i < 30; i++) {\n if (i % 10 == 0 && i != 0) {\n try {\n Thread.sleep(2000);\n } catch (InterruptedException e) {\n }\n }\n System.out.println(\"No. \" + i);\n }\n }\n}\n\n"
},
{
"path": "src/main/java/com/basic/chapter0800/TestThread4.java",
"content": "package com.basic.chapter0800;\n\npublic class TestThread4 {\n public static void main(String args[]) {\n Runner4 r = new Runner4();\n Thread t = new Thread(r);\n t.start();\n for (int i = 0; i < 100000; i++) {\n if (i % 10000 == 0 & i > 0)\n System.out.println(\"in thread main i=\" + i);\n }\n System.out.println(\"Thread main is over\");\n r.shutDown();\n //t.stop();\n }\n}\n\nclass Runner4 implements Runnable {\n private boolean flag = true;\n\n public void run() {\n int i = 0;\n while (flag == true) {\n System.out.print(\" \" + i++);\n }\n }\n\n public void shutDown() {\n flag = false;\n }\n}"
},
{
"path": "src/main/java/com/basic/chapter0800/TestThread5.java",
"content": "package com.basic.chapter0800;\n\npublic class TestThread5 {\n\tpublic static void main(String args[]){\n\t\tRunner5 r = new Runner5();\n \tThread t = new Thread(r);\n t.start();\n \n try{\n \tt.join();\n }catch(InterruptedException e){\n }\n \n for(int i=0;i<50;i++){\n \tSystem.out.println(\"main thread:\" + i);\n }\n }\n}\n\nclass Runner5 implements Runnable {\n\tpublic void run() {\n\t\tfor(int i=0;i<50;i++) {\n\t\t\tSystem.out.println(\"SubThread: \" + i);\n\t\t}\n\t}\n}"
},
{
"path": "src/main/java/com/basic/chapter0800/TestThread6.java",
"content": "package com.basic.chapter0800;\n\npublic class TestThread6 {\n public static void main(String args[]) {\n Thread t = new Runner6();\n t.start();\n\n for (int i = 0; i < 50; i++) {\n System.out.println(\"MainThread: \" + i);\n }\n }\n}\n\nclass Runner6 extends Thread {\n public void run() {\n System.out.println(Thread.currentThread().isAlive());\n for (int i = 0; i < 50; i++) {\n System.out.println(\"SubThread: \" + i);\n }\n }\n}"
},
{
"path": "src/main/java/com/basic/chapter0800/TestYield.java",
"content": "package com.basic.chapter0800;\n\npublic class TestYield {\n public static void main(String[] args) {\n MyThread3 t1 = new MyThread3(\"t1\");\n MyThread3 t2 = new MyThread3(\"t2\");\n t1.start();\n t2.start();\n }\n}\n\nclass MyThread3 extends Thread {\n MyThread3(String s) {\n super(s);\n }\n\n public void run() {\n for (int i = 1; i <= 100; i++) {\n System.out.println(getName() + \": \" + i);\n if (i % 10 == 0) {\n yield();\n }\n }\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter0900/Chapter0901TestUDPClient.java",
"content": "package com.basic.chapter0900;\n\nimport java.net.*;\n\npublic class Chapter0901TestUDPClient {\n public static void main(String args[]) throws Exception {\n byte[] buf = \"Hello\".getBytes();\n DatagramPacket dp = new DatagramPacket(buf, buf.length, new InetSocketAddress(\"127.0.0.1\", 5678));\n DatagramSocket ds = new DatagramSocket(9999);\n ds.send(dp);\n ds.close();\n }\n}"
},
{
"path": "src/main/java/com/basic/chapter0900/Chapter0901TestUDPServer.java",
"content": "package com.basic.chapter0900;\n\nimport java.net.*;\n\npublic class Chapter0901TestUDPServer {\n public static void main(String args[]) throws Exception {\n byte buf[] = new byte[1024];\n DatagramPacket dp = new DatagramPacket(buf, buf.length);\n DatagramSocket ds = new DatagramSocket(5678);\n while (true) {\n ds.receive(dp);\n System.out.println(new String(buf, 0, dp.getLength()));\n }\n }\n}"
},
{
"path": "src/main/java/com/basic/chapter0900/Chat/Chat03/ChatClient.java",
"content": "package com.basic.chapter0900.Chat.Chat03;\n\nimport java.io.*;\nimport java.net.*;\n\npublic class ChatClient {\n Socket s = null;\n\n public ChatClient() throws Exception {\n s = new Socket(\"127.0.0.1\", 8888);\n }\n\n public void send(String str) throws Exception {\n DataOutputStream dos = new DataOutputStream(s.getOutputStream());\n dos.writeUTF(str);\n }\n\n public void disconnect() throws Exception {\n s.close();\n }\n\n public static void main(String[] args) throws Exception {\n BufferedReader br = new BufferedReader(new InputStreamReader(System.in));\n ChatClient cc = new ChatClient();\n String str = br.readLine();\n while (str != null && str.length() != 0) {\n cc.send(str);\n str = br.readLine();\n }\n cc.disconnect();\n }\n}"
},
{
"path": "src/main/java/com/basic/chapter0900/Chat/Chat03/ChatServer.java",
"content": "package com.basic.chapter0900.Chat.Chat03;\n\nimport java.net.*;\nimport java.util.*;\nimport java.io.*;\n\npublic class ChatServer {\n ServerSocket server = null;\n Collection cClient = new ArrayList();\n\n public ChatServer(int port) throws Exception {\n server = new ServerSocket(port);\n }\n\n public void startServer() throws Exception {\n while (true) {\n Socket s = server.accept();\n cClient.add(new ClientConn(s));\n }\n }\n\n class ClientConn implements Runnable {\n Socket s = null;\n\n public ClientConn(Socket s) {\n this.s = s;\n (new Thread(this)).start();\n }\n\n public void run() {\n try {\n DataInputStream dis = new DataInputStream(s.getInputStream());\n String str = dis.readUTF();\n while (str != null && str.length() != 0) {\n System.out.println(str);\n str = dis.readUTF();\n }\n s.close();\n cClient.remove(this);\n } catch (IOException e) {\n System.out.println(\"client quit\");\n try {\n if (s != null)\n s.close();\n cClient.remove(this);\n } catch (IOException ioe) {\n ioe.printStackTrace();\n }\n }\n }\n }\n\n public static void main(String[] args) throws Exception {\n ChatServer cs = new ChatServer(8888);\n cs.startServer();\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter0900/Chat/Chat05/ChatClient.java",
"content": "package com.basic.chapter0900.Chat.Chat05;\n\nimport java.io.*;\nimport java.net.*;\n\npublic class ChatClient {\n Socket s = null;\n\n public ChatClient() throws Exception {\n s = new Socket(\"127.0.0.1\", 8888);\n (new Thread(new ReceiveThread())).start();\n }\n\n public void send(String str) throws Exception {\n DataOutputStream dos = new DataOutputStream(s.getOutputStream());\n dos.writeUTF(str);\n }\n\n public void disconnect() throws Exception {\n s.close();\n }\n\n public static void main(String[] args) throws Exception {\n BufferedReader br = new BufferedReader(new InputStreamReader(System.in));\n ChatClient cc = new ChatClient();\n String str = br.readLine();\n while (str != null && str.length() != 0) {\n cc.send(str);\n str = br.readLine();\n }\n cc.disconnect();\n }\n\n class ReceiveThread implements Runnable {\n public void run() {\n if (s == null) return;\n try {\n DataInputStream dis = new DataInputStream(s.getInputStream());\n String str = dis.readUTF();\n while (str != null && str.length() != 0) {\n System.out.println(str);\n str = dis.readUTF();\n }\n } catch (Exception e) {\n e.printStackTrace();\n }\n }\n }\n}"
},
{
"path": "src/main/java/com/basic/chapter0900/Chat/Chat05/ChatServer.java",
"content": "package com.basic.chapter0900.Chat.Chat05;\n\nimport java.net.*;\nimport java.util.*;\nimport java.io.*;\n\npublic class ChatServer {\n ServerSocket server = null;\n Collection cClient = new ArrayList();\n\n public ChatServer(int port) throws Exception {\n server = new ServerSocket(port);\n }\n\n public void startServer() throws Exception {\n while (true) {\n Socket s = server.accept();\n cClient.add(new ClientConn(s));\n }\n }\n\n class ClientConn implements Runnable {\n Socket s = null;\n\n public ClientConn(Socket s) {\n this.s = s;\n (new Thread(this)).start();\n }\n\n public void send(String str) throws IOException {\n DataOutputStream dos = new DataOutputStream(s.getOutputStream());\n dos.writeUTF(str);\n }\n\n public void run() {\n try {\n DataInputStream dis = new DataInputStream(s.getInputStream());\n String str = dis.readUTF();\n while (str != null && str.length() != 0) {\n System.out.println(str);\n for (Iterator it = cClient.iterator(); it.hasNext(); ) {\n ClientConn cc = (ClientConn) it.next();\n if (this != cc) {\n cc.send(str);\n }\n }\n str = dis.readUTF();\n //send(str);\n }\n s.close();\n cClient.remove(this);\n } catch (IOException e) {\n System.out.println(\"client quit\");\n try {\n if (s != null)\n s.close();\n cClient.remove(this);\n } catch (IOException ioe) {\n ioe.printStackTrace();\n }\n }\n }\n }\n\n public static void main(String[] args) throws Exception {\n ChatServer cs = new ChatServer(8888);\n cs.startServer();\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter0900/Chat/Chat07/ChatClient.java",
"content": "package com.basic.chapter0900.Chat.Chat07;\n\nimport java.io.*;\nimport java.net.*;\nimport java.awt.*;\nimport java.awt.event.*;\n\npublic class ChatClient extends Frame {\n TextArea ta = new TextArea();\n TextField tf = new TextField();\n\n public void launchFrame() throws Exception {\n this.add(ta, BorderLayout.CENTER);\n this.add(tf, BorderLayout.SOUTH);\n tf.addActionListener((ActionEvent ae) -> {\n\t\t\ttry {\n\t\t\t\tString sSend = tf.getText();\n\t\t\t\tif (sSend.trim().length() == 0) return;\n\t\t\t\tChatClient.this.send(sSend);\n\t\t\t\ttf.setText(\"\");\n\t\t\t\tta.append(sSend + \"\\n\");\n\t\t\t} catch (Exception e) {\n\t\t\t\te.printStackTrace();\n\t\t\t}\n\t\t});\n\n setBounds(300, 300, 300, 400);\n setVisible(true);\n tf.requestFocus();\n }\n\n Socket s = null;\n\n public ChatClient() throws Exception {\n s = new Socket(\"127.0.0.1\", 8888);\n launchFrame();\n (new Thread(new ReceiveThread())).start();\n }\n\n public void send(String str) throws Exception {\n DataOutputStream dos = new DataOutputStream(s.getOutputStream());\n dos.writeUTF(str);\n }\n\n public void disconnect() throws Exception {\n s.close();\n }\n\n public static void main(String[] args) throws Exception {\n BufferedReader br = new BufferedReader(new InputStreamReader(System.in));\n ChatClient cc = new ChatClient();\n String str = br.readLine();\n while (str != null && str.length() != 0) {\n cc.send(str);\n str = br.readLine();\n }\n cc.disconnect();\n }\n\n class ReceiveThread implements Runnable {\n public void run() {\n if (s == null) return;\n try {\n DataInputStream dis = new DataInputStream(s.getInputStream());\n String str = dis.readUTF();\n while (str != null && str.length() != 0) {\n // System.out.println(str);\n ChatClient.this.ta.append(str + \"\\n\");\n str = dis.readUTF();\n }\n } catch (Exception e) {\n e.printStackTrace();\n }\n }\n }\n}"
},
{
"path": "src/main/java/com/basic/chapter0900/Chat/Chat07/ChatServer.java",
"content": "package com.basic.chapter0900.Chat.Chat07;\n\nimport java.net.*;\nimport java.util.*;\nimport java.io.*;\n\npublic class ChatServer {\n ServerSocket server = null;\n Collection cClient = new ArrayList();\n\n public ChatServer(int port) throws Exception {\n server = new ServerSocket(port);\n }\n\n public void startServer() throws Exception {\n while (true) {\n Socket s = server.accept();\n cClient.add(new ClientConn(s));\n }\n }\n\n class ClientConn implements Runnable {\n Socket s = null;\n\n public ClientConn(Socket s) {\n this.s = s;\n (new Thread(this)).start();\n }\n\n public void send(String str) throws IOException {\n DataOutputStream dos = new DataOutputStream(s.getOutputStream());\n dos.writeUTF(str);\n }\n\n public void run() {\n try {\n\n DataInputStream dis = new DataInputStream(s.getInputStream());\n String str = dis.readUTF();\n while (str != null && str.length() != 0) {\n System.out.println(str);\n for (Iterator it = cClient.iterator(); it.hasNext(); ) {\n ClientConn cc = (ClientConn) it.next();\n if (this != cc) {\n cc.send(str);\n }\n }\n str = dis.readUTF();\n //send(str);\n }\n s.close();\n cClient.remove(this);\n } catch (IOException e) {\n System.out.println(\"client quit\");\n try {\n if (s != null)\n s.close();\n cClient.remove(this);\n } catch (IOException ioe) {\n ioe.printStackTrace();\n }\n }\n }\n }\n\n public static void main(String[] args) throws Exception {\n ChatServer cs = new ChatServer(8888);\n cs.startServer();\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter0900/Chat/Chat10/ChatClient.java",
"content": "package com.basic.chapter0900.Chat.Chat10;\n\nimport java.io.*;\nimport java.net.*;\nimport java.awt.*;\nimport java.awt.event.*;\n\npublic class ChatClient extends Frame {\n TextArea ta = new TextArea();\n TextField tf = new TextField();\n\n public void launchFrame() throws Exception {\n this.add(ta, BorderLayout.CENTER);\n this.add(tf, BorderLayout.SOUTH);\n tf.addActionListener((ActionEvent ae) -> {\n\t\t\ttry {\n\t\t\t\tString sSend = tf.getText();\n\t\t\t\tif (sSend.trim().length() == 0) return;\n\t\t\t\tChatClient.this.send(sSend);\n\t\t\t\ttf.setText(\"\");\n\t\t\t\tta.append(sSend + \"\\n\");\n\t\t\t} catch (Exception e) {\n\t\t\t\te.printStackTrace();\n\t\t\t}\n\t\t});\n\n this.addWindowListener(\n new WindowAdapter() {\n public void windowClosing(WindowEvent e) {\n System.exit(0);\n }\n }\n );\n setBounds(300, 300, 300, 400);\n setVisible(true);\n tf.requestFocus();\n }\n\n Socket s = null;\n\n public ChatClient() throws Exception {\n s = new Socket(\"127.0.0.1\", 8888);\n launchFrame();\n (new Thread(new ReceiveThread())).start();\n }\n\n public void send(String str) throws Exception {\n DataOutputStream dos = new DataOutputStream(s.getOutputStream());\n dos.writeUTF(str);\n }\n\n public void disconnect() throws Exception {\n s.close();\n }\n\n public static void main(String[] args) throws Exception {\n BufferedReader br = new BufferedReader(new InputStreamReader(System.in));\n ChatClient cc = new ChatClient();\n String str = br.readLine();\n while (str != null && str.length() != 0) {\n cc.send(str);\n str = br.readLine();\n }\n cc.disconnect();\n }\n\n class ReceiveThread implements Runnable {\n public void run() {\n if (s == null) return;\n try {\n DataInputStream dis = new DataInputStream(s.getInputStream());\n String str = dis.readUTF();\n while (str != null && str.length() != 0) {\n //System.out.println(str);\n ChatClient.this.ta.append(str + \"\\n\");\n str = dis.readUTF();\n }\n } catch (Exception e) {\n e.printStackTrace();\n }\n }\n }\n}"
},
{
"path": "src/main/java/com/basic/chapter0900/Chat/Chat10/ChatServer.java",
"content": "package com.basic.chapter0900.Chat.Chat10;\n\nimport java.net.*;\nimport java.util.*;\nimport java.io.*;\nimport java.awt.*;\nimport java.awt.event.*;\n\npublic class ChatServer extends Frame {\n TextArea ta = new TextArea();\n\n public void launchFrame() {\n add(ta, BorderLayout.CENTER);\n setBounds(0, 0, 200, 300);\n this.addWindowListener(\n new WindowAdapter() {\n public void windowClosing(WindowEvent e) {\n System.exit(0);\n }\n }\n );\n setVisible(true);\n }\n\n ServerSocket server = null;\n Collection cClient = new ArrayList();\n\n public ChatServer(int port) throws Exception {\n server = new ServerSocket(port);\n launchFrame();\n }\n\n public void startServer() throws Exception {\n while (true) {\n Socket s = server.accept();\n cClient.add(new ClientConn(s));\n ta.append(\"NEW-CLIENT \" + s.getInetAddress() + \":\" + s.getPort());\n ta.append(\"\\n\" + \"CLIENTS-COUNT: \" + cClient.size() + \"\\n\\n\");\n }\n }\n\n class ClientConn implements Runnable {\n Socket s = null;\n\n public ClientConn(Socket s) {\n this.s = s;\n (new Thread(this)).start();\n }\n\n public void send(String str) throws IOException {\n DataOutputStream dos = new DataOutputStream(s.getOutputStream());\n dos.writeUTF(str);\n }\n\n public void dispose() {\n try {\n if (s != null) s.close();\n cClient.remove(this);\n ta.append(\"A client out! \\n\");\n ta.append(\"CLIENT-COUNT: \" + cClient.size() + \"\\n\\n\");\n } catch (Exception e) {\n e.printStackTrace();\n }\n }\n\n public void run() {\n try {\n DataInputStream dis = new DataInputStream(s.getInputStream());\n String str = dis.readUTF();\n while (str != null && str.length() != 0) {\n System.out.println(str);\n for (Iterator it = cClient.iterator(); it.hasNext(); ) {\n ClientConn cc = (ClientConn) it.next();\n if (this != cc) {\n cc.send(str);\n }\n }\n str = dis.readUTF();\n //send(str);\n }\n this.dispose();\n } catch (Exception e) {\n System.out.println(\"client quit\");\n this.dispose();\n }\n }\n }\n\n public static void main(String[] args) throws Exception {\n ChatServer cs = new ChatServer(8888);\n cs.startServer();\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter0900/TCPClient.java",
"content": "package com.basic.chapter0900;\n\nimport java.net.*;\nimport java.io.*;\n\npublic class TCPClient {\n\tpublic static void main(String[] args) throws Exception {\n\t\tSocket s = new Socket(\"127.0.0.1\", 6666);\n\t\tOutputStream os = s.getOutputStream();\n\t\tDataOutputStream dos = new DataOutputStream(os);\n\t\tThread.sleep(30000);\n\t\tdos.writeUTF(\"hello server!\");\n\t\tdos.flush();\n\t\tdos.close();\n\t\ts.close();\n\t}\n}"
},
{
"path": "src/main/java/com/basic/chapter0900/TCPServer.java",
"content": "package com.basic.chapter0900;\n\nimport java.net.*;\nimport java.io.*;\n\npublic class TCPServer {\n\tpublic static void main(String[] args) throws Exception {\n\t\tServerSocket ss = new ServerSocket(6666);\n\t\twhile(true) {\n\t\t\tSocket s = ss.accept();\nSystem.out.println(\"a client connect!\");\n\t\t\tDataInputStream dis = new DataInputStream(s.getInputStream());\n\t\t\tSystem.out.println(dis.readUTF());\n\t\t\tdis.close();\n\t\t\ts.close();\n\t\t}\n\t\t\n\t}\n}"
},
{
"path": "src/main/java/com/basic/chapter0900/TalkClient.java",
"content": "package com.basic.chapter0900;\n\nimport java.io.*;\nimport java.net.*;\n\npublic class TalkClient {\n public static void main(String args[]) {\n try {\n Socket socket = new Socket(\"127.0.0.1\", 4700);\n BufferedReader sin = new BufferedReader(new InputStreamReader(System.in));\n PrintWriter os = new PrintWriter(socket.getOutputStream());\n BufferedReader is = new BufferedReader(new InputStreamReader(\n socket.getInputStream()));\n String readline;\n readline = sin.readLine();\n while (!readline.equals(\"bye\")) {\n os.println(readline);\n os.flush();\n System.out.println(\"Client:\" + readline);\n System.out.println(\"Server:\" + is.readLine());\n readline = sin.readLine();\n }\n os.close();\n is.close();\n socket.close();\n } catch (Exception e) {\n System.out.println(\"Error\" + e);\n }\n }\n}\n\t\t\t"
},
{
"path": "src/main/java/com/basic/chapter0900/TalkServer.java",
"content": "package com.basic.chapter0900;\n\nimport java.io.*;\nimport java.net.*;\nimport java.applet.Applet;\n\npublic class TalkServer {\n public static void main(String args[]) {\n try {\n ServerSocket server = null;\n try {\n server = new ServerSocket(4700);\n } catch (Exception e) {\n System.out.println(\"can not listen to:\" + e);\n }\n Socket socket = null;\n try {\n socket = server.accept();\n } catch (Exception e) {\n System.out.println(\"Error:\" + e);\n }\n String line;\n BufferedReader is = new BufferedReader(new InputStreamReader(\n socket.getInputStream()));\n PrintWriter os = new PrintWriter(socket.getOutputStream());\n BufferedReader sin = new BufferedReader(new InputStreamReader(System.in));\n System.out.println(\"Client:\" + is.readLine());\n line = sin.readLine();\n while (!line.equals(\"bye\")) {\n os.println(line);\n os.flush();\n System.out.println(\"Server:\" + line);\n System.out.println(\"Client:\" + is.readLine());\n line = sin.readLine();\n }\n\n is.close();\n os.close();\n socket.close();\n server.close();\n } catch (Exception e) {\n System.out.println(\"Error\" + e);\n }\n }\n}\n\t\t\t"
},
{
"path": "src/main/java/com/basic/chapter0900/TestClient.java",
"content": "package com.basic.chapter0900;\n\nimport java.net.*;\nimport java.io.*;\n\npublic class TestClient {\n\tpublic static void main(String args[]) {\n\t\ttry {\n\t\t\tSocket s1 = new Socket(\"127.0.0.1\", 8888);\n\t\t\tInputStream is = s1.getInputStream();\n\t\t\tDataInputStream dis = new DataInputStream(is);\n\t\t\tSystem.out.println(dis.readUTF());\n\t\t\tdis.close();\n\t\t\ts1.close();\n\t\t} catch (ConnectException connExc) {\n\t\t\tconnExc.printStackTrace();\n\t\t\tSystem.err.println(\"throw connection exception...\");\n\t\t} catch (IOException e) {\n\t\t\te.printStackTrace();\n\t\t}\n\t}\n}"
},
{
"path": "src/main/java/com/basic/chapter0900/TestServer.java",
"content": "package com.basic.chapter0900;\n\nimport java.net.*;\nimport java.io.*;\n\npublic class TestServer {\n public static void main(String args[]) {\n try {\n ServerSocket s = new ServerSocket(8888);\n while (true) {\n Socket s1 = s.accept();\n OutputStream os = s1.getOutputStream();\n DataOutputStream dos = new DataOutputStream(os);\n dos.writeUTF(\"Hello,\" + s1.getInetAddress() +\n \"port#\" + s1.getPort() + \" bye-bye!\");\n dos.close();\n s1.close();\n }\n } catch (IOException e) {\n e.printStackTrace();\n System.out.println(\"异常信息:\" + e);\n }\n }\n}"
},
{
"path": "src/main/java/com/basic/chapter0900/TestSockClient.java",
"content": "package com.basic.chapter0900;\n\nimport java.net.*;\nimport java.io.*;\n\npublic class TestSockClient {\n public static void main(String[] args) {\n InputStream is = null;\n OutputStream os = null;\n try {\n Socket socket = new Socket(\"localhost\", 5888);\n is = socket.getInputStream();\n os = socket.getOutputStream();\n DataInputStream dis = new DataInputStream(is);\n DataOutputStream dos = new DataOutputStream(os);\n dos.writeUTF(\"hey\");\n String s = null;\n if ((s = dis.readUTF()) != null) ;\n System.out.println(s);\n dos.close();\n dis.close();\n socket.close();\n } catch (UnknownHostException e) {\n e.printStackTrace();\n } catch (IOException e) {\n e.printStackTrace();\n }\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter0900/TestSockServer.java",
"content": "package com.basic.chapter0900;\r\rimport java.io.*;\rimport java.net.*;\r\rpublic class TestSockServer {\r public static void main(String[] args) {\r InputStream in = null;\r OutputStream out = null;\r try {\r ServerSocket ss = new ServerSocket(5888);\r Socket socket = ss.accept();\r in = socket.getInputStream();\r out = socket.getOutputStream();\r DataOutputStream dos = new DataOutputStream(out);\r DataInputStream dis = new DataInputStream(in);\r String s = null;\r if ((s = dis.readUTF()) != null) {\r System.out.println(s);\r System.out.println(\"from: \" + socket.getInetAddress());\r System.out.println(\"Port: \" + socket.getPort());\r }\r dos.writeUTF(\"你好，世界！\");\r dis.close();\r dos.close();\r socket.close();\r } catch (IOException e) {\r e.printStackTrace();\r }\r }\r}"
},
{
"path": "src/main/java/com/basic/chapter0900/TestUDPClient.java",
"content": "package com.basic.chapter0900;\n\nimport java.net.*;\nimport java.io.*;\n\npublic class TestUDPClient {\n public static void main(String args[]) throws Exception {\n long n = 10000L;\n ByteArrayOutputStream baos = new ByteArrayOutputStream();\n DataOutputStream dos = new DataOutputStream(baos);\n dos.writeLong(n);\n\n byte[] buf = baos.toByteArray();\n System.out.println(buf.length);\n\n DatagramPacket dp = new DatagramPacket(buf, buf.length,\n new InetSocketAddress(\"127.0.0.1\", 5678)\n );\n DatagramSocket ds = new DatagramSocket(9999);\n ds.send(dp);\n ds.close();\n\n }\n}"
},
{
"path": "src/main/java/com/basic/chapter0900/TestUDPServer.java",
"content": "package com.basic.chapter0900;\n\nimport java.net.*;\nimport java.io.*;\n\npublic class TestUDPServer {\n public static void main(String args[]) throws Exception {\n byte buf[] = new byte[1024];\n DatagramPacket dp = new DatagramPacket(buf, buf.length);\n DatagramSocket ds = new DatagramSocket(5678);\n while (true) {\n ds.receive(dp);\n ByteArrayInputStream bais = new ByteArrayInputStream(buf);\n DataInputStream dis = new DataInputStream(bais);\n System.out.println(dis.readLong());\n }\n }\n}"
},
{
"path": "src/main/java/com/basic/chapter0900/zerocopy/traditonal/TraditionalClient.java",
"content": "package com.basic.chapter0900.zerocopy.traditonal;\n\nimport java.io.DataOutputStream;\nimport java.io.FileInputStream;\nimport java.io.IOException;\nimport java.net.Socket;\nimport java.net.UnknownHostException;\n\npublic class TraditionalClient {\n public static void main(String[] args) {\n int port = 2000;\n String server = \"localhost\";\n Socket socket = null;\n String lineToBeSent;\n\n DataOutputStream output = null;\n FileInputStream inputStream = null;\n int ERROR = 1;\n\n // connect to server\n try {\n socket = new Socket(server, port);\n System.out.println(\"Connected with server \" + socket.getInetAddress() + \":\" + socket.getPort());\n } catch (UnknownHostException e) {\n System.out.println(e);\n System.exit(ERROR);\n } catch (IOException e) {\n System.out.println(e);\n System.exit(ERROR);\n }\n\n try {\n String fname = \"D:\\\\soft\\\\julia-1.4.2-win64.exe\";\n inputStream = new FileInputStream(fname);\n\n output = new DataOutputStream(socket.getOutputStream());\n long start = System.currentTimeMillis();\n byte[] b = new byte[4096];\n long read = 0, total = 0;\n while ((read = inputStream.read(b)) >= 0) {\n total = total + read;\n output.write(b);\n }\n System.out.println(\"bytes send--\" + total + \" and totaltime--\" + (System.currentTimeMillis() - start));\n } catch (IOException e) {\n System.out.println(e);\n }\n\n try {\n output.close();\n socket.close();\n inputStream.close();\n } catch (IOException e) {\n System.out.println(e);\n }\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter0900/zerocopy/traditonal/TraditionalServer.java",
"content": "package com.basic.chapter0900.zerocopy.traditonal;\n\nimport java.io.DataInputStream;\nimport java.io.IOException;\nimport java.net.ServerSocket;\nimport java.net.Socket;\n\npublic class TraditionalServer {\n public static void main(String args[]) {\n int port = 2000;\n ServerSocket server_socket;\n DataInputStream input;\n\n try {\n server_socket = new ServerSocket(port);\n System.out.println(\"Server waiting for client on port \" + server_socket.getLocalPort());\n\n // server infinite loop\n while (true) {\n Socket socket = server_socket.accept();\n System.out.println(\"New connection accepted \" + socket.getInetAddress() + \":\" + socket.getPort());\n input = new DataInputStream(socket.getInputStream());\n\n // print received data\n try {\n byte[] byteArray = new byte[4096];\n while (true) {\n int nread = input.read(byteArray, 0, 4096);\n if (0 == nread)\n break;\n }\n } catch (IOException e) {\n System.out.println(e);\n }\n\n // connection closed by client\n try {\n socket.close();\n System.out.println(\"Connection closed by client\");\n } catch (IOException e) {\n System.out.println(e);\n }\n }\n } catch (IOException e) {\n System.out.println(e);\n }\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter0900/zerocopy/transfer/TransferToClient.java",
"content": "package com.basic.chapter0900.zerocopy.transfer;\n\nimport java.io.FileInputStream;\nimport java.io.IOException;\nimport java.net.InetSocketAddress;\nimport java.net.SocketAddress;\nimport java.nio.channels.FileChannel;\nimport java.nio.channels.SocketChannel;\n\npublic class TransferToClient {\n\n public static void main(String[] args) throws IOException {\n TransferToClient sfc = new TransferToClient();\n sfc.testSendfile();\n }\n\n public void testSendfile() throws IOException {\n String host = \"localhost\";\n int port = 9026;\n SocketAddress sad = new InetSocketAddress(host, port);\n SocketChannel sc = SocketChannel.open();\n sc.connect(sad);\n sc.configureBlocking(true);\n\n String fname = \"D:\\\\soft\\\\julia-1.4.2-win64.exe\";\n long fsize = 183678375L, sendzise = 4094;\n\n // FileProposerExample.stuffFile(fname, fsize);\n FileChannel fc = new FileInputStream(fname).getChannel();\n long start = System.currentTimeMillis();\n long nsent = 0, curnset = 0;\n curnset = fc.transferTo(0, fsize, sc);\n System.out.println(\n \"total bytes transferred--\" + curnset + \" and time taken in MS--\" + (System.currentTimeMillis() - start));\n fc.close();\n }\n\n}\n"
},
{
"path": "src/main/java/com/basic/chapter0900/zerocopy/transfer/TransferToServer.java",
"content": "package com.basic.chapter0900.zerocopy.transfer;\n\nimport java.io.IOException;\nimport java.net.InetSocketAddress;\nimport java.net.ServerSocket;\nimport java.nio.ByteBuffer;\nimport java.nio.channels.ServerSocketChannel;\nimport java.nio.channels.SocketChannel;\n\npublic class TransferToServer {\n ServerSocketChannel listener = null;\n\n protected void mySetup() {\n InetSocketAddress listenAddr = new InetSocketAddress(9026);\n try {\n listener = ServerSocketChannel.open();\n ServerSocket ss = listener.socket();\n ss.setReuseAddress(true);\n ss.bind(listenAddr);\n System.out.println(\"Listening on port : \" + listenAddr.toString());\n } catch (IOException e) {\n System.out.println(\"Failed to bind, is port : \" + listenAddr.toString() + \" already in use ? Error Msg : \"\n + e.getMessage());\n e.printStackTrace();\n }\n\n }\n\n public static void main(String[] args) {\n TransferToServer dns = new TransferToServer();\n dns.mySetup();\n dns.readData();\n }\n\n private void readData() {\n ByteBuffer dst = ByteBuffer.allocate(4096);\n try {\n while (true) {\n SocketChannel conn = listener.accept();\n System.out.println(\"Accepted : \" + conn);\n conn.configureBlocking(true);\n int nread = 0;\n while (nread != -1) {\n try {\n nread = conn.read(dst);\n } catch (IOException e) {\n e.printStackTrace();\n conn.socket().close();\n nread = -1;\n }\n dst.rewind();\n }\n }\n } catch (IOException e) {\n e.printStackTrace();\n }\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter1000/AWTDrawing.java",
"content": "package com.basic.chapter1000;\n\nimport java.awt.*;\n\npublic class AWTDrawing {\n private Frame f = new Frame(\" Hello Out There!\");\n private Panel p = new Panel();\n\tpublic void launchFrame() {\n\t f.add(p);\n\t f.setSize( 170,170);\n\t f.setBackground( Color.blue);\n\t f.setVisible( true); \n\t p.setForeground(Color.red);\n\t Graphics g = p.getGraphics();\n\t g.drawArc(30,40,50,60,70,80);\n\t g.fillArc(30,40,50,60,70,80);\n\t}\n\tpublic static void main( String args[]) {\n\t AWTDrawing guiWindow = new AWTDrawing();\n\t guiWindow.launchFrame();\n }\n}"
},
{
"path": "src/main/java/com/basic/chapter1000/AWTDrawing2.java",
"content": "package com.basic.chapter1000;\n\nimport java.awt.*;\n\nclass SubPanel extends Panel{\n\tpublic void paint(Graphics g){\n\t\tg.drawString(\"this is a drawing test!\",20,20);\t\t\n\t\tg.drawLine(30,60,100,120);\n\t\tg.draw3DRect(60,50,70,30,false);\n\t}\t\n}\n\t\npublic class AWTDrawing2 {\n private Frame f = new Frame(\" Hello Out There!\");\n private SubPanel p = new SubPanel();\n\tpublic void launchFrame() {\n\t f.add(p);\n\t f.setSize(170,170);\n\t f.setBackground( new Color(89,145,145));\n\t f.setVisible( true); \n\t}\n\tpublic static void main( String args[]) {\n\t AWTDrawing2 guiWindow = new AWTDrawing2();\n\t guiWindow.launchFrame();\n }\n}"
},
{
"path": "src/main/java/com/basic/chapter1000/CenterPanel.java",
"content": "package com.basic.chapter1000;\n\nimport java.awt.*;\n\npublic class CenterPanel {\n public static void main(String args[]) {\n new MyFrame3(300, 300, 400, 300, Color.BLUE);\n }\n}\n\nclass MyFrame3 extends Frame {\n private Panel p;\n\n MyFrame3(int x, int y, int w, int h, Color c) {\n super(\"FrameWithPanel\");\n setLayout(null);\n setBounds(x, y, w, h);\n setBackground(c);\n p = new Panel(null);\n p.setBounds(w / 4, h / 4, w / 2, h / 2);\n p.setBackground(Color.YELLOW);\n add(p);\n setVisible(true);\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter1000/MyMouseAdapter.java",
"content": "package com.basic.chapter1000;\n\nimport java.awt.*;\nimport java.awt.event.*;\nimport java.util.*;\n\npublic class MyMouseAdapter {\n public static void main(String args[]) {\n new MyFrame(\"drawing...\");\n }\n}\n\nclass MyFrame extends Frame {\n ArrayList points = null;\n\n MyFrame(String s) {\n super(s);\n points = new ArrayList();\n setLayout(null);\n setBounds(300, 300, 400, 300);\n this.setBackground(new Color(204, 204, 255));\n setVisible(true);\n this.addMouseListener(new Monitor());\n }\n\n public void paint(Graphics g) {\n Iterator i = points.iterator();\n while (i.hasNext()) {\n Point p = (Point) i.next();\n g.setColor(Color.BLUE);\n g.fillOval(p.x, p.y, 10, 10);\n }\n }\n\n public void addPoint(Point p) {\n points.add(p);\n }\n}\n\nclass Monitor extends MouseAdapter {\n public void mousePressed(MouseEvent e) {\n MyFrame f = (MyFrame) e.getSource();\n f.addPoint(new Point(e.getX(), e.getY()));\n f.repaint();\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter1000/MyMouseAdapterGeneric.java",
"content": "package com.basic.chapter1000;\n\nimport java.awt.*;\nimport java.awt.event.*;\nimport java.util.*;\n\npublic class MyMouseAdapterGeneric {\n public static void main(String args[]) {\n new MyFrame992(\"drawing...\");\n }\n}\n\nclass MyFrame992 extends Frame {\n ArrayList points = null;\n\n MyFrame992(String s) {\n super(s);\n points = new ArrayList();\n setLayout(null);\n setBounds(300, 300, 400, 300);\n this.setBackground(new Color(204, 204, 255));\n setVisible(true);\n this.addMouseListener(new Monitor2());\n }\n\n public void paint(Graphics g) {\n Iterator i = points.iterator();\n while (i.hasNext()) {\n Point p = i.next();\n g.setColor(Color.BLUE);\n g.fillOval(p.x, p.y, 10, 10);\n }\n }\n\n public void addPoint(Point p) {\n points.add(p);\n }\n}\n\nclass Monitor2 extends MouseAdapter {\n public void mousePressed(MouseEvent e) {\n MyFrame992 f = (MyFrame992) e.getSource();\n f.addPoint(new Point(e.getX(), e.getY()));\n f.repaint();\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter1000/NestedContainer.java",
"content": "package com.basic.chapter1000;\n\nimport java.awt.*;\n\npublic class NestedContainer {\n public static void main(String args[]) {\n Frame f = new Frame(\"NestedContainer\");\n Button b0 = new Button(\"display Area\");\n Panel p = new Panel();\n p.setLayout(new GridLayout(2, 2));\n Button b1 = new Button(\"1\");\n Button b2 = new Button(\"2\");\n Button b3 = new Button(\"3\");\n Button b4 = new Button(\"4\");\n p.add(b1);\n p.add(b2);\n p.add(b3);\n p.add(b4);\n f.add(b0, \"North\");\n f.add(p, \"Center\");\n f.pack();\n f.setVisible(true);\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter1000/TFActionEvent.java",
"content": "package com.basic.chapter1000;\n\nimport java.awt.*;\nimport java.awt.event.*;\n\npublic class TFActionEvent {\n /**\n * @param args\n */\n public static void main(String[] args) {\n new TFFrame();\n }\n}\n\nclass TFFrame extends Frame {\n TFFrame() {\n TextField tf = new TextField();\n add(tf);\n tf.addActionListener(new TFActionListener());\n pack();\n setVisible(true);\n }\n}\n\nclass TFActionListener implements ActionListener {\n public void actionPerformed(ActionEvent e) {\n TextField tf = (TextField) e.getSource();\n System.out.println(tf.getText());\n //tf.setText(\"\");\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter1000/TFMath.java",
"content": "package com.basic.chapter1000;\n\nimport java.awt.*;\nimport java.awt.event.*;\n\npublic class TFMath {\n public static void main(String[] args) {\n new TFFrame3().launchFrame();\n }\n}\n\nclass TFFrame3 extends Frame {\n TextField num1, num2, num3;\n\n public void launchFrame() {\n num1 = new TextField(10);\n num2 = new TextField(10);\n num3 = new TextField(15);\n Label lblPlus = new Label(\"+\");\n Button btnEqual = new Button(\"=\");\n btnEqual.addActionListener(new MyMonitor());\n setLayout(new FlowLayout());\n add(num1);\n add(lblPlus);\n add(num2);\n add(btnEqual);\n add(num3);\n pack();\n setVisible(true);\n }\n\n private class MyMonitor implements ActionListener {\n public void actionPerformed(ActionEvent e) {\n int n1 = Integer.parseInt(num1.getText());\n int n2 = Integer.parseInt(num2.getText());\n num3.setText(\"\" + (n1 + n2));\n }\n }\n\n}\n\n\n//class MyMonitor implements ActionListener {\n//TextField num1, num2, num3;\n\t/*\n\tpublic MyMonitor(TextField num1, TextField num2, TextField num3) {\n\t\tthis.num1 = num1;\n\t\tthis.num2 = num2;\n\t\tthis.num3 = num3;\n\t}\n\t*/\n/*\t\n\tTFFrame tf = null;\n\t\n\tpublic MyMonitor(TFFrame tf) {\n\t\tthis.tf = tf;\n\t}\n\t\n\tpublic void actionPerformed(ActionEvent e) {\n\t\tint n1 = Integer.parseInt(tf.num1.getText());\n\t\tint n2 = Integer.parseInt(tf.num2.getText());\n\t\ttf.num3.setText(\"\" + (n1+n2));\n\t\t\n\t}\n}\n\n*/"
},
{
"path": "src/main/java/com/basic/chapter1000/TFMathTest.java",
"content": "package com.basic.chapter1000;\n\nimport java.awt.*;\nimport java.awt.event.*;\n\npublic class TFMathTest extends Frame {\n TextField num1;\n TextField num2;\n TextField sum;\n\n /**\n * @param args\n */\n public static void main(String[] args) {\n new TFMathTest().launchFrame();\n }\n\n public void launchFrame() {\n num1 = new TextField();\n num2 = new TextField();\n sum = new TextField();\n num1.setColumns(10);\n num2.setColumns(10);\n sum.setColumns(15);\n setLayout(new FlowLayout());\n //setSize(500, 30);\n Label lblPlus = new Label(\"+\");\n Button btnEqual = new Button(\"=\");\n btnEqual.addActionListener(new MyListener2(this));\n add(num1);\n add(lblPlus);\n add(num2);\n add(btnEqual);\n add(sum);\n pack();\n setVisible(true);\n }\n}\n\nclass MyListener2 implements ActionListener {\n private TFMathTest tfmt;\n\n public MyListener2(TFMathTest tfmt) {\n this.tfmt = tfmt;\n }\n\n public void actionPerformed(ActionEvent e) {\n String s1 = tfmt.num1.getText();\n String s2 = tfmt.num2.getText();\n int i1 = Integer.parseInt(s1);\n int i2 = Integer.parseInt(s2);\n tfmt.sum.setText(String.valueOf(i1 + i2));\n }\n}\n\n\n\n"
},
{
"path": "src/main/java/com/basic/chapter1000/TFMathTest2.java",
"content": "package com.basic.chapter1000;\n\nimport java.awt.*;\nimport java.awt.event.*;\n\npublic class TFMathTest2 extends Frame {\n TextField num1;\n TextField num2;\n TextField sum;\n\n /**\n * @param args\n */\n public static void main(String[] args) {\n new TFMathTest2().launchFrame();\n }\n\n public void launchFrame() {\n num1 = new TextField();\n num2 = new TextField();\n sum = new TextField();\n num1.setColumns(10);\n num2.setColumns(10);\n sum.setColumns(15);\n setLayout(new FlowLayout());\n //setSize(500, 30);\n Label lblPlus = new Label(\"+\");\n Button btnEqual = new Button(\"=\");\n btnEqual.addActionListener(new MyListener(this));\n add(num1);\n add(lblPlus);\n add(num2);\n add(btnEqual);\n add(sum);\n pack();\n setVisible(true);\n }\n}\n\nclass MyListener implements ActionListener {\n //private TFMathTest2 tfmt;\n\n private TextField num1, num2, sum;\n\n public MyListener(TFMathTest2 tfmt) {\n //this.tfmt = tfmt;\n\t\t/*\n\t\tthis.num1 = tfmt.num1;\n\t\tthis.num2 = tfmt.num2;\n\t\tthis.sum = tfmt.sum;\n\t\t*/\n this(tfmt.num1, tfmt.num2, tfmt.sum);\n }\n\n public MyListener(TextField num1, TextField num2, TextField sum) {\n this.num1 = num1;\n this.num2 = num2;\n this.sum = sum;\n }\n\n public void actionPerformed(ActionEvent e) {\n String s1 = num1.getText();\n String s2 = num2.getText();\n int i1 = Integer.parseInt(s1);\n int i2 = Integer.parseInt(s2);\n sum.setText(String.valueOf(i1 + i2));\n }\n}\n\n\n\n"
},
{
"path": "src/main/java/com/basic/chapter1000/TFPassword.java",
"content": "package com.basic.chapter1000;\n\nimport java.awt.*;\nimport java.awt.event.*;\n\npublic class TFPassword {\n\n /**\n * @param args\n */\n public static void main(String[] args) {\n new TFFrame2();\n }\n}\n\nclass TFFrame2 extends Frame {\n TFFrame2() {\n TextField tf = new TextField();\n add(tf);\n tf.addActionListener(new TFActionListener2());\n tf.setEchoChar('*');\n pack();\n setVisible(true);\n }\n}\n\nclass TFActionListener2 implements ActionListener {\n public void actionPerformed(ActionEvent e) {\n TextField tf = (TextField) e.getSource();\n System.out.println(tf.getText());\n tf.setText(\"\");\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter1000/TenButtons.java",
"content": "package com.basic.chapter1000;\n\nimport java.awt.*;\n\npublic class TenButtons {\n public static void main(String args[]) {\n Frame f = new Frame(\"Java Frame\");\n f.setLayout(new GridLayout(2, 1));\n f.setLocation(300, 400);\n f.setSize(300, 200);\n f.setBackground(new Color(204, 204, 255));\n Panel p1 = new Panel(new BorderLayout());\n Panel p2 = new Panel(new BorderLayout());\n Panel p11 = new Panel(new GridLayout(2, 1));\n Panel p21 = new Panel(new GridLayout(2, 2));\n p1.add(new Button(\"BUTTON\"), BorderLayout.WEST);\n p1.add(new Button(\"BUTTON\"), BorderLayout.EAST);\n p11.add(new Button(\"BUTTON\"));\n p11.add(new Button(\"BUTTON\"));\n p1.add(p11, BorderLayout.CENTER);\n p2.add(new Button(\"BUTTON\"), BorderLayout.WEST);\n p2.add(new Button(\"BUTTON\"), BorderLayout.EAST);\n for (int i = 1; i <= 4; i++) {\n p21.add(new Button(\"BUTTON\"));\n }\n p2.add(p21, BorderLayout.CENTER);\n f.add(p1);\n f.add(p2);\n f.setVisible(true);\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter1000/Test.java",
"content": "package com.basic.chapter1000;\n\nimport java.awt.*;\n\npublic class Test {\n public static void main(String args[]) {\n Frame f = new Frame(\"Java Gui\");\n f.setLayout(null);\n Button b = new Button(\"Button1\");\n f.add(b);\n b.setLocation(47, 70);\n b.setSize(60, 25);\n f.setSize(150, 150);\n f.setBackground(new Color(90, 145, 145, 200));\n f.setVisible(true);\n }\n} \n\n"
},
{
"path": "src/main/java/com/basic/chapter1000/TestActionEvent.java",
"content": "package com.basic.chapter1000;\n\nimport java.awt.*;\nimport java.awt.event.*;\n\npublic class TestActionEvent {\n public static void main(String args[]) {\n Frame f = new Frame(\"Test\");\n Button b = new Button(\"Press Me!\");\n Monitor3 bh = new Monitor3();\n b.addActionListener(bh);\n f.add(b, BorderLayout.CENTER);\n f.pack();\n f.setVisible(true);\n }\n}\n\nclass Monitor3 implements ActionListener {\n public void actionPerformed(ActionEvent e) {\n System.out.println(\"a button has been pressed\");\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter1000/TestActionEvent2.java",
"content": "package com.basic.chapter1000;\n\nimport java.awt.*;\nimport java.awt.event.*;\n\npublic class TestActionEvent2 {\n public static void main(String args[]) {\n Frame f = new Frame(\"Test\");\n Button b1 = new Button(\"Start\");\n Button b2 = new Button(\"Stop\");\n Monitor6 bh = new Monitor6();\n b1.addActionListener(bh);\n b2.addActionListener(bh);\n b2.setActionCommand(\"game over\");\n f.add(b1, \"North\");\n f.add(b2, \"Center\");\n f.pack();\n f.setVisible(true);\n }\n}\n\nclass Monitor6 implements ActionListener {\n public void actionPerformed(ActionEvent e) {\n System.out.println(\"a button has been pressed,\" +\n \"the relative info is:\\n \" + e.getActionCommand());\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter1000/TestAnonymous.java",
"content": "package com.basic.chapter1000;\n\nimport java.awt.*;\nimport java.awt.event.*;\n\npublic class TestAnonymous {\n Frame f = new Frame(\"Test Anonymous\");\n TextField tf = new TextField(30);\n\n public TestAnonymous() {\n f.add(new Label(\"Mouse\"), \"North\");\n f.add(tf, \"South\");\n f.addMouseMotionListener(\n new MouseMotionAdapter() {\n public void mouseDragged(MouseEvent e) {\n String s = \"(\" + e.getX() + \",\" + e.getY() + \")\";\n tf.setText(s);\n }\n\n public void mouseMoved(MouseEvent e) {\n }\n }\n );\n f.setSize(300, 200);\n f.setVisible(true);\n }\n\n public static void main(String args[]) {\n TestAnonymous t = new TestAnonymous();\n }\n}"
},
{
"path": "src/main/java/com/basic/chapter1000/TestAnonymous2.java",
"content": "package com.basic.chapter1000;\n\nimport java.awt.*;\nimport java.awt.event.*;\n\npublic class TestAnonymous2 {\n Frame f = new Frame(\"Test\");\n TextField tf = new TextField(10);\n Button b1 = new Button(\"Start\");\n\n public TestAnonymous2() {\n f.add(b1, \"North\");\n f.add(tf, \"South\");\n\n b1.addActionListener(new ActionListener() {\n private int i;\n\n public void actionPerformed(ActionEvent e) {\n tf.setText(e.getActionCommand() + ++i);\n }\n });\n\n f.addWindowListener(new WindowAdapter() {\n public void windowClosing(WindowEvent e) {\n System.exit(0);\n }\n });\n\n f.pack();\n f.setVisible(true);\n }\n\n public static void main(String args[]) {\n new TestAnonymous2();\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter1000/TestBorderLayout.java",
"content": "package com.basic.chapter1000;\n\nimport java.awt.*;\n\npublic class TestBorderLayout {\n public static void main(String args[]) {\n Frame f;\n f = new Frame(\"Border Layout\");\n Button bn = new Button(\"BN\");\n Button bs = new Button(\"BS\");\n Button bw = new Button(\"BW\");\n Button be = new Button(\"BE\");\n Button bc = new Button(\"BC\");\n\n f.add(bn, \"North\");\n f.add(bs, \"South\");\n f.add(bw, \"West\");\n f.add(be, \"East\");\n f.add(bc, \"Center\");\n\t\t\n\t\t/*\n\t\tf.add(bn, BorderLayout.NORTH);\n\t\tf.add(bs, BorderLayout.SOUTH);\n\t\tf.add(bw, BorderLayout.WEST);\n\t\tf.add(be, BorderLayout.EAST);\n\t\tf.add(bc, BorderLayout.CENTER);\n\t\t*/\n\n f.setSize(200, 200);\n f.setVisible(true);\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter1000/TestFlowLayout.java",
"content": "package com.basic.chapter1000;\n\nimport java.awt.*;\n\npublic class TestFlowLayout {\n public static void main(String args[]) {\n Frame f = new Frame(\"Flow Layout\");\n Button button1 = new Button(\"Ok\");\n Button button2 = new Button(\"Open\");\n Button button3 = new Button(\"Close\");\n f.setLayout(new FlowLayout(FlowLayout.LEFT));\n f.add(button1);\n f.add(button2);\n f.add(button3);\n f.setSize(100, 100);\n f.setVisible(true);\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter1000/TestFlowLayout2.java",
"content": "package com.basic.chapter1000;\n\nimport java.awt.*;\n\npublic class TestFlowLayout2 {\n public static void main(String args[]) {\n Frame f = new Frame(\"Java Frame\");\n FlowLayout l = new FlowLayout(FlowLayout.CENTER, 20, 40);\n f.setLayout(l);\n f.setLocation(300, 400);\n f.setSize(300, 200);\n f.setBackground(new Color(204, 204, 255));\n for (int i = 1; i <= 7; i++) {\n f.add(new Button(\"BUTTON\"));\n }\n f.setVisible(true);\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter1000/TestFrame.java",
"content": "package com.basic.chapter1000;\n\nimport java.awt.*;\npublic class TestFrame {\n\tpublic static void main( String args[]) {\n\t\tFrame f = new Frame(\"My First Test\");\n\t\tf.setLocation(300, 300);\n\t\tf.setSize( 170,100);\n\t\tf.setBackground( Color.blue);\n\t\tf.setResizable(false);\n\t\tf.setVisible( true);\n\t}\n}"
},
{
"path": "src/main/java/com/basic/chapter1000/TestFrameWithPanel.java",
"content": "package com.basic.chapter1000;\n\nimport java.awt.*;\n\npublic class TestFrameWithPanel {\n public static void main(String args[]) {\n Frame f = new Frame(\"MyTest Frame\");\n Panel pan = new Panel();\n f.setSize(200, 200);\n f.setBackground(Color.blue);\n f.setLayout(null);\n pan.setSize(100, 100);\n pan.setBackground(Color.green);\n f.add(pan);\n f.setVisible(true);\n }\n}"
},
{
"path": "src/main/java/com/basic/chapter1000/TestGridLayout.java",
"content": "package com.basic.chapter1000;\n\nimport java.awt.*;\n\npublic class TestGridLayout {\n public static void main(String args[]) {\n Frame f = new Frame(\"GridLayout Example\");\n Button b1 = new Button(\"b1\");\n Button b2 = new Button(\"b2\");\n Button b3 = new Button(\"b3\");\n Button b4 = new Button(\"b4\");\n Button b5 = new Button(\"b5\");\n Button b6 = new Button(\"b6\");\n f.setLayout(new GridLayout(3, 2));\n f.add(b1);\n f.add(b2);\n f.add(b3);\n f.add(b4);\n f.add(b5);\n f.add(b6);\n f.pack();\n f.setVisible(true);\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter1000/TestInner.java",
"content": "package com.basic.chapter1000;\n\nimport java.awt.*;\nimport java.awt.event.*;\n\npublic class TestInner {\n Frame f = new Frame(\"Mouse\");\n TextField tf = new TextField(30);\n\n public TestInner() {\n f.add(new Label(\"Mouse\"), \"North\");\n f.add(tf, \"South\");\n f.setBackground(new Color(120, 175, 175));\n f.addMouseMotionListener(new InnerMonitor());\n f.addMouseListener(new InnerMonitor());\n f.setSize(300, 200);\n f.setVisible(true);\n }\n\n public static void main(String args[]) {\n TestInner t = new TestInner();\n }\n\n private class InnerMonitor implements MouseMotionListener, MouseListener {\n public void mouseDragged(MouseEvent e) {\n String s = \"(\" + e.getX() + \",\" + e.getY() + \")\";\n tf.setText(s);\n }\n\n public void mouseEntered(MouseEvent e) {\n String s = \"Start\";\n tf.setText(s);\n }\n\n public void mouseExited(MouseEvent e) {\n String s = \"end\";\n tf.setText(s);\n }\n\n public void mouseMoved(MouseEvent e) {\n }\n\n public void mousePressed(MouseEvent e) {\n }\n\n public void mouseClicked(MouseEvent e) {\n }\n\n public void mouseReleased(MouseEvent e) {\n }\n }//end of Inner class\n}//end of Outer class"
},
{
"path": "src/main/java/com/basic/chapter1000/TestKey.java",
"content": "package com.basic.chapter1000;\n\nimport java.awt.*;\nimport java.awt.event.*;\n\npublic class TestKey {\n public static void main(String[] args) {\n new KeyFrame().launchFrame();\n }\n}\n\nclass KeyFrame extends Frame {\n public void launchFrame() {\n setSize(200, 200);\n setLocation(300, 300);\n addKeyListener(new MyKeyMonitor());\n setVisible(true);\n }\n\n class MyKeyMonitor extends KeyAdapter {\n public void keyPressed(KeyEvent e) {\n int keyCode = e.getKeyCode();\n if (keyCode == KeyEvent.VK_UP) {\n System.out.println(\"UP\");\n }\n }\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter1000/TestMouseMotion.java",
"content": "package com.basic.chapter1000;\n\nimport java.awt.*;\nimport java.awt.event.*;\nimport java.util.*;\n\npublic class TestMouseMotion {\n public static void main(String args[]) {\n new MyFrame88(\"drawing...\");\n }\n}\n\nclass MyFrame88 extends Frame {\n ArrayList points = null;\n\n MyFrame88(String s) {\n super(s);\n points = new ArrayList();\n setLayout(null);\n setBounds(300, 300, 400, 300);\n this.setBackground(new Color(204, 204, 255));\n setVisible(true);\n this.addMouseMotionListener(new Monitor5());\n }\n\n public void paint(Graphics g) {\n Iterator i = points.iterator();\n while (i.hasNext()) {\n Point p = (Point) i.next();\n g.setColor(Color.BLUE);\n g.fillOval(p.x, p.y, 10, 10);\n }\n }\n\n public void addPoint(Point p) {\n points.add(p);\n }\n}\n\nclass Monitor5 extends MouseMotionAdapter {\n private int num = 0;\n\n public void mouseMoved(MouseEvent e) {\n MyFrame88 f = (MyFrame88) e.getSource();\n f.addPoint(new Point(e.getX(), e.getY()));\n if (num++ >= 5) {\n f.repaint();\n num = 0;\n }\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter1000/TestMouseMotionGeneric.java",
"content": "package com.basic.chapter1000;\n\nimport java.awt.*;\nimport java.awt.event.*;\nimport java.util.*;\n\npublic class TestMouseMotionGeneric {\n public static void main(String args[]) {\n new MyFrame888(\"drawing...\");\n }\n}\n\nclass MyFrame888 extends Frame {\n ArrayList points = null;\n\n MyFrame888(String s) {\n super(s);\n points = new ArrayList();\n setLayout(null);\n setBounds(300, 300, 400, 300);\n this.setBackground(new Color(204, 204, 255));\n setVisible(true);\n this.addMouseMotionListener(new Monitor4());\n }\n\n public void paint(Graphics g) {\n Iterator i = points.iterator();\n while (i.hasNext()) {\n Point p = i.next();\n g.setColor(Color.BLUE);\n g.fillOval(p.x, p.y, 10, 10);\n }\n }\n\n public void addPoint(Point p) {\n points.add(p);\n }\n}\n\nclass Monitor4 extends MouseMotionAdapter {\n private int num = 0;\n\n public void mouseMoved(MouseEvent e) {\n MyFrame888 f = (MyFrame888) e.getSource();\n f.addPoint(new Point(e.getX(), e.getY()));\n if (num++ >= 5) {\n f.repaint();\n num = 0;\n }\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter1000/TestMultiFrame.java",
"content": "package com.basic.chapter1000;\n\nimport java.awt.*;\n\npublic class TestMultiFrame {\n public static void main(String args[]) {\n MyFrame4 f1 =\n new MyFrame4(100, 100, 200, 200, Color.BLUE);\n MyFrame4 f2 =\n new MyFrame4(300, 100, 200, 200, Color.YELLOW);\n MyFrame4 f3 =\n new MyFrame4(100, 300, 200, 200, Color.GREEN);\n MyFrame4 f4 =\n new MyFrame4(300, 300, 200, 200, Color.MAGENTA);\n }\n}\n\n\nclass MyFrame4 extends Frame {\n static int id = 0;\n\n MyFrame4(int x, int y, int w, int h, Color color) {\n super(\"MyFrame4 \" + (++id));\n setBackground(color);\n setLayout(null);\n setBounds(x, y, w, h);\n setVisible(true);\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter1000/TestMultiPanel.java",
"content": "package com.basic.chapter1000;\n\nimport java.awt.*;\n\npublic class TestMultiPanel {\n public static void main(String args[]) {\n new MyFrame2(\"MyFrameWithPanel\", 300, 300, 400, 300);\n }\n}\n\n\nclass MyFrame2 extends Frame {\n private Panel p1, p2, p3, p4;\n\n MyFrame2(String s, int x, int y, int w, int h) {\n super(s);\n setLayout(null);\n p1 = new Panel(null);\n p2 = new Panel(null);\n p3 = new Panel(null);\n p4 = new Panel(null);\n p1.setBounds(0, 0, w / 2, h / 2);\n p2.setBounds(0, h / 2, w / 2, h / 2);\n p3.setBounds(w / 2, 0, w / 2, h / 2);\n p4.setBounds(w / 2, h / 2, w / 2, h / 2);\n p1.setBackground(Color.BLUE);\n p2.setBackground(Color.GREEN);\n p3.setBackground(Color.YELLOW);\n p4.setBackground(Color.MAGENTA);\n add(p1);\n add(p2);\n add(p3);\n add(p4);\n setBounds(x, y, w, h);\n setVisible(true);\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter1000/TestPaint.java",
"content": "package com.basic.chapter1000;\n\nimport java.awt.*;\n\npublic class TestPaint {\n public static void main(String[] args) {\n new PaintFrame().launchFrame();\n }\n}\n\nclass PaintFrame extends Frame {\n\n public void launchFrame() {\n setBounds(200, 200, 640, 480);\n setVisible(true);\n }\n\n public void paint(Graphics g) {\n Color c = g.getColor();\n g.setColor(Color.red);\n g.fillOval(50, 50, 30, 30);\n g.setColor(Color.green);\n g.fillRect(80, 80, 40, 40);\n g.setColor(c);\n }\n\n}"
},
{
"path": "src/main/java/com/basic/chapter1000/TestPanel.java",
"content": "package com.basic.chapter1000;\n\nimport java.awt.*;\n\npublic class TestPanel {\n public static void main(String args[]) {\n Frame f = new Frame(\"Java Frame with Panel\");\n Panel p = new Panel(null);\n f.setLayout(null);\n f.setBounds(300, 300, 500, 500);\n f.setBackground(new Color(0, 0, 102));\n p.setBounds(50, 50, 400, 400);\n p.setBackground(new Color(204, 204, 255));\n f.add(p);\n f.setVisible(true);\n }\n}\n"
},
{
"path": "src/main/java/com/basic/chapter1000/TestWindowClose.java",
"content": "package com.basic.chapter1000;\n\nimport java.awt.*;\nimport java.awt.event.*;\n\npublic class TestWindowClose {\n public static void main(String args[]) {\n new MyFrame55(\"MyFrame\");\n }\n}\n\nclass MyFrame55 extends Frame {\n MyFrame55(String s) {\n super(s);\n setLayout(null);\n setBounds(300, 300, 400, 300);\n this.setBackground(new Color(204, 204, 255));\n setVisible(true);\n //this.addWindowListener(new MyWindowMonitor());\n\n this.addWindowListener(\n new WindowAdapter() {\n public void windowClosing(WindowEvent e) {\n setVisible(false);\n System.exit(-1);\n }\n });\n\n }\n /*\n class MyWindowMonitor extends WindowAdapter {\n \tpublic void windowClosing(WindowEvent e) {\n \t\tsetVisible(false);\n \t\tSystem.exit(0);\n \t}\n }\n */\n}\n"
},
{
"path": "src/main/java/com/basic/chapter1100/TestReflect.java",
"content": "package com.basic.chapter1100;\n\nimport java.lang.reflect.*;\n\n/**\n * 反射\n *\n * @author MarkShen\n * @since 20191130\n */\npublic class TestReflect {\n\tpublic static void main(String[] args) throws Exception {\n\t\t//m1();\n\t\t//m2();\n\t\t//m3(\"java.lang.Thread\");\n\t\t//m4();\n\t\t//m5();\n\t\t//m6();\n\t\t//String s = \"java.lang.String\"; //从文件里读出来的\n\t\t//new s()\n\t\t//m7();\n\t\t//m8();\n\t\t//m9();\n\t\tm10();\n\t}\n\n\tprivate static void m1() {\n\t\tString s = new String();\n\t\tClass c = s.getClass();\n\t\tSystem.out.println(c);\n\t\tClass su = c.getSuperclass();\n\t\tSystem.out.println(su);\n\t\tSystem.out.println(su.getSuperclass());\n\t}\n\n\tprivate static void m2() {\n\t\tClass c = String.class;\n\t\tSystem.out.println(c);\n\t}\n\n\tprivate static void m3(String className) {\n\t\ttry {\n\t\t\tClass.forName(className);\n\t\t} catch (ClassNotFoundException e) {\n\t\t\tSystem.out.println(\"this class doesn't exist!\");\n\t\t}\n\t}\n\n\tprivate static void m4() {\n\t\tint m = String.class.getModifiers();\n\t\tSystem.out.println(Modifier.isPublic(m));\n\t\tSystem.out.println(Modifier.isFinal(m));\n\t\tSystem.out.println(Modifier.isStatic(m));\n\t}\n\n\tprivate static void m5() {\n\t\tfor(Class c : String.class.getInterfaces()) {\n\t\t\tSystem.out.println(c);\n\t\t}\n\t\tSystem.out.println(java.lang.Comparable.class.isInterface());\n\t}\n\n\tprivate static void m6() {\n\t\tField[] fs = System.class.getFields();\n\t\tfor(Field f : fs) {\n\t\t\tSystem.out.println(f);\n\t\t}\n\t}\n\n\tprivate static void m7() throws Exception {\n\t\tConstructor[] cs = String.class.getConstructors();\n\t\tfor(Constructor c : cs) {\n\t\t\tSystem.out.println(c);\n\t\t\tfor(Class paraClass : c.getParameterTypes()) {\n\t\t\t\tSystem.out.print(paraClass + \" \");\n\t\t\t}\n\t\t\tSystem.out.println();\n\t\t}\n\n\t\tString.class.newInstance();\n\t}\n\n\tprivate static void m8() throws Exception {\n\t\tClass[] argClasses = new Class[] {int.class, int.class};\n\t\tObject[] args = new Object[] {new Integer(12), new Integer(24)};\n\t\tConstructor c = java.awt.Point.class.getConstructor(argClasses);\n\t\tObject o = c.newInstance(args);\n\t\tSystem.out.println(o);\n\t}\n\n\tprivate static void m9() throws Exception {\n\t\tClass[] argClasses = new Class[] {String.class};\n\t\tObject[] args = new Object[] {new String(\"world!\")};\n\t\tMethod m = java.lang.String.class.getMethod(\"concat\", argClasses);\n\t\tString result = (String)m.invoke(new String(\"hello\"), args);\n\t\tSystem.out.println(result);\n\t}\n\n\tprivate static void m10() throws Exception {\n\t\t/*\n\t\tClass cls = Class.forName(\"java.lang.String\");\n\t\tObject arr = Array.newInstance(cls, 10);\n\t\tArray.set(arr, 5, \"this is a test\");\n\t\tString s = (String)Array.get(arr, 5);\n\t\tSystem.out.println(s);\n\t\t*/\n\n\t\t//例中创建了一个 5 x 10 x 15 的整型数组，并为处于 [3][5][10] 的元素赋了值为 37。\n\t\t//注意，多维数组实际上就是数组的数组，例如，第一个 Array.get 之后，\n\t\t//arrobj 是一个 10 x 15 的数组。进而取得其中的一个元素，即长度为 15 的数组，\n\t\t//并使用 Array.setInt 为它的第 10 个元素赋值。\n\n\t\tint dims[] = new int[]{5, 10, 15};\n\t\tObject arr = Array.newInstance(Integer.TYPE, dims);\n\t\tObject arrobj = Array.get(arr, 3);\n\t\tClass cls = arrobj.getClass().getComponentType();\n\t\tSystem.out.println(cls);\n\t\tarrobj = Array.get(arrobj, 5);\n\t\tArray.setInt(arrobj, 10, 37);\n\t\tint arrcast[][][] = (int[][][]) arr;\n\t\tSystem.out.println(arrcast[3][5][10]);\n\t}\n}"
},
{
"path": "src/main/java/com/basic/chapter1200/QQClient.java",
"content": "package com.basic.chapter1200;\n\npublic class QQClient {\n}\n"
},
{
"path": "src/main/java/com/basic/chapter1200/QQServer.java",
"content": "package com.basic.chapter1200;\n\npublic class QQServer {\n}\n"
},
{
"path": "src/main/java/com/geo/GeoTest.java",
"content": "package com.geo;\n\nimport com.maxmind.geoip2.DatabaseReader;\nimport com.maxmind.geoip2.model.CityResponse;\nimport com.maxmind.geoip2.record.*;\n\nimport java.io.File;\nimport java.net.InetAddress;\n\n/**\n * 根据ip地址获取ip地址所在地\n * https://github.com/maxmind/GeoIP2-java\n *\n * @author MarkShen\n * @since 20191204\n */\npublic class GeoTest {\n static String IP = \"182.61.200.6\";\n\n /**\n * 指定数据库路径\n */\n static String DATABASE_PATH = System.getProperty(\"user.dir\") + \"/src/main/java/com/geo/GeoLite2-City.mmdb\";\n\n public static void main(String[] args) throws Exception {\n // A File object pointing to your GeoIP2 or GeoLite2 database\n File database = new File(DATABASE_PATH);\n\n // This creates the DatabaseReader object. To improve performance, reuse\n // the object across lookups. The object is thread-safe.\n DatabaseReader reader = new DatabaseReader.Builder(database).build();\n\n InetAddress ipAddress = InetAddress.getByName(IP);\n\n // Replace \"city\" with the appropriate method for your database, e.g.,\n // \"country\".\n CityResponse response = reader.city(ipAddress);\n\n Country country = response.getCountry();\n System.out.println(country.getIsoCode()); // 'US'\n System.out.println(country.getName()); // 'United States'\n System.out.println(country.getNames().get(\"zh-CN\")); // '美国'\n\n Subdivision subdivision = response.getMostSpecificSubdivision();\n System.out.println(subdivision.getName()); // 'Minnesota'\n System.out.println(subdivision.getIsoCode()); // 'MN'\n\n City city = response.getCity();\n System.out.println(city.getName()); // 'Minneapolis'\n\n Postal postal = response.getPostal();\n System.out.println(postal.getCode()); // '55455'\n\n Location location = response.getLocation();\n System.out.println(location.getLatitude()); // 44.9733\n System.out.println(location.getLongitude()); // -93.2323\n }\n}\n"
},
{
"path": "src/main/java/com/java10/NewFeatures.java",
"content": "/**\n *\n */\npackage com.java10;\n\n/**\n * @author MarkShen\n * @see https://www.oracle.com/technetwork/java/javase/10-relnote-issues-4108729.html\n * @see https://openjdk.org/projects/jdk/10/\n */\npublic class NewFeatures {\n public static void main(String[] args) {\n // Java SE 10 Features and Enhancements\n }\n}\n"
},
{
"path": "src/main/java/com/java11/NewFeatures.java",
"content": "/**\n *\n */\npackage com.java11;\n\n/**\n * @author MarkShen\n * @see https://www.oracle.com/technetwork/java/javase/11-relnotes-5012447.html\n * @see https://openjdk.org/projects/jdk/11/\n */\npublic class NewFeatures {\n public static void main(String[] args) {\n // Java SE 11 Features and Enhancements\n }\n}\n"
},
{
"path": "src/main/java/com/java12/NewFeatures.java",
"content": "/**\n *\n */\npackage com.java12;\n\n/**\n * @author MarkShen\n * @see https://www.oracle.com/technetwork/java/javase/12-relnote-issues-5211422.html\n * @see https://openjdk.org/projects/jdk/12/\n */\npublic class NewFeatures {\n public static void main(String[] args) {\n // Java SE 12 Features and Enhancements\n }\n}\n"
},
{
"path": "src/main/java/com/java13/NewFeatures.java",
"content": "/**\n *\n */\npackage com.java13;\n\n/**\n * @author MarkShen\n * @see https://www.oracle.com/technetwork/java/13-relnote-issues-5460548.html\n * @see https://openjdk.org/projects/jdk/13/\n */\npublic class NewFeatures {\n public static void main(String[] args) {\n // Java SE 13 Features and Enhancements\n }\n}\n"
},
{
"path": "src/main/java/com/java14/Java14NewFeatures.java",
"content": "package com.java14;\n\n/**\n * @author MarkShen1992\n * @see https://www.oracle.com/technetwork/java/javase/14all-relnotes-5809668.html\n * @see https://www.codejava.net/java-se/java-14-new-features\n * @see https://openjdk.org/projects/jdk/14/\n */\npublic class Java14NewFeatures {\n public static void main(String[] args) {\n\n }\n}\n"
},
{
"path": "src/main/java/com/java15/NewFeatures.java",
"content": "package com.java15;\n\n/**\n * jdk15 new feature\n *\n * https://openjdk.java.net/projects/jdk/15/\n * https://javaalmanac.io/jdk/15/\n * https://www.youtube.com/watch?v=uTNjeM0G9Nk\n * https://openjdk.org/projects/jdk/15/\n */\npublic class NewFeatures {\n public static void main(String[] args) {\n System.out.println(\"jdk 15 new features.\");\n }\n}\n"
},
{
"path": "src/main/java/com/java16/Java16NewFeatures.java",
"content": "package com.java16;\n\n/**\n * // Java 16 new features\n * // 1) https://openjdk.java.net/projects/jdk/16/\n * // 2) https://mkyong.com/java/what-is-new-in-java-16/\n * @author MarkShen\n */\npublic class Java16NewFeatures {\n public static void main(String[] args) {\n\n }\n}\n"
},
{
"path": "src/main/java/com/java17/Java17NewFeatures.java",
"content": "package com.java17;\n\n/**\n * https://www.baeldung.com/java-17-new-features https://mkyong.com/java/what-is-new-in-java-17/\n * https://www.geeksforgeeks.org/jdk-17-new-features-in-java-17/\n * @see https://openjdk.org/projects/jdk/17/\n *\n * @author MarkShen\n */\npublic class Java17NewFeatures {\n public static void main(String[] args) {\n System.out.println(\"Java 17 new Features.\");\n }\n}\n"
},
{
"path": "src/main/java/com/java18/Java18Features.java",
"content": "package com.java18;\n\n/**\n * Java 18 features\n * https://openjdk.org/projects/jdk/18/\n * https://www.developer.com/java/java-18-features/\n */\npublic class Java18Features {\n public static void main(String[] args) {\n\n }\n}\n"
},
{
"path": "src/main/java/com/java19/Java19Features.java",
"content": "package com.java19;\n\n/**\n * Java 19 features\n * https://openjdk.org/projects/jdk/19/\n * https://www.infoworld.com/article/3653331/jdk-19-the-new-features-in-java-19.html\n */\npublic class Java19Features {\n public static void main(String[] args) {\n\n }\n}\n"
},
{
"path": "src/main/java/com/java5/NewFeatures.java",
"content": "/**\n * \n */\npackage com.java5;\n\nimport java.util.ArrayList;\nimport java.util.Iterator;\nimport java.util.List;\n\n/**\n * @author MarkShen\n *\n */\npublic class NewFeatures {\n public static void print(int ...is) {\n for (int num : is) {\n System.out.println(num);\n }\n }\n \n public static void main(String[] args) {\n // Enhanced For loop\n List numbers = new ArrayList();\n numbers.add(1);\n numbers.add(2);\n numbers.add(3);\n\n Iterator numbersIterator = null;\n for (numbersIterator = numbers.iterator(); numbersIterator.hasNext();) {\n System.out.println(numbersIterator.next());;\n }\n \n for (Object o : numbers) {\n System.out.println(o);\n }\n \n // VariableArguments\n print(new int[] {1,2,4});\n \n // Static Imports\n \n \n // Enumerations(Typesafe Enums)\n \n // 自动装箱与自动拆箱(Autoboxing/Unboxing)\n \n // 引入泛型(Generics)\n \n // 元数据（注解） (Metadata Annotations)\n \n // 引入Instrumentation\n }\n}\n"
},
{
"path": "src/main/java/com/java6/NewFeatures.java",
"content": "/**\n *\n */\npackage com.java6;\n\n/**\n * @author MarkShen\n * @see https://www.oracle.com/technetwork/java/javase/features-141434.html\n * @see https://www.oracle.com/technical-resources/articles/javase/beta2.html\n */\npublic class NewFeatures {\n public static void main(String[] args) {\n // Java SE 6 Features and Enhancements\n }\n}\n"
},
{
"path": "src/main/java/com/java7/NewFeatures.java",
"content": "/**\n *\n */\npackage com.java7;\n\n/**\n * @author MarkShen\n * https://openjdk.org/projects/jdk7/features/\n * @see https://www.oracle.com/technetwork/java/javase/jdk7-relnotes-418459.html\n */\npublic class NewFeatures {\n public static void main(String[] args) {\n // Java SE 7 Features and Enhancements\n }\n}\n"
},
{
"path": "src/main/java/com/java8/Demo0100_LambdaRunnable.java",
"content": "package com.java8;\n\n/**\n * @author MarkShen\n */\npublic class Demo0100_LambdaRunnable {\n public static void main(String[] args) {\n // 用lambda表达式实现Runnable\n // Java 8之前：\n new Thread(new Runnable() {\n @Override\n public void run() {\n System.out.println(\"Before Java8, too much code for too little to do\");\n }\n }).start();\n\n //Java 8方式：\n new Thread( () -> System.out.println(\"In Java8, Lambda expression rocks !!\") ).start();\n\n // 这个例子向我们展示了Java 8 lambda表达式的语法。你可以使用lambda写出如下代码\n // (params) -> expression\n // (params) -> statement\n // (params) -> { statements }\n\n // 如果你的方法不对参数进行修改、重写，只是在控制台打印点东西的话\n // () -> System.out.println(\"Hello Lambda Expressions\");\n\n // 如果你的方法接收两个参数\n // (int even, int odd) -> even + odd\n }\n}\n"
},
{
"path": "src/main/java/com/java8/Demo0200_LambdaIterator.java",
"content": "package com.java8;\n\nimport java.util.Arrays;\nimport java.util.List;\n\n/**\n * @author MarkShen\n */\npublic class Demo0200_LambdaIterator {\n public static void main(String[] args) {\n // Java 8之前：\n List features = Arrays.asList(\"Lambdas\", \"Default Method\", \"Stream API\", \"Date and Time API\");\n for (String feature : features) {\n System.out.println(feature);\n }\n\n System.out.println(\"---------------------------------\");\n // Java 8之后：\n features.forEach(n -> System.out.println(n));\n\n // 使用Java 8的方法引用更方便，方法引用由::双冒号操作符标示，\n // 看起来像C++的作用域解析运算符\n System.out.println(\"---------------------------------\");\n features.forEach(System.out::println);\n }\n}\n"
},
{
"path": "src/main/java/com/java8/Demo0300_LambdaPredicate.java",
"content": "package com.java8;\n\nimport java.util.Arrays;\nimport java.util.List;\nimport java.util.function.Predicate;\n\n/**\n * @author MarkShen\n */\npublic class Demo0300_LambdaPredicate {\n public static void main(String[] args) {\n List languages = Arrays.asList(\"Java\", \"Scala\", \"C++\", \"Haskell\", \"Lisp\");\n\n System.out.println(\"Languages which starts with J :\");\n // filter(languages, (str)->str.startsWith(\"J\"));\n\n System.out.println(\"Languages which ends with a \");\n // filter(languages, (str)->str.endsWith(\"a\"));\n\n System.out.println(\"Print all languages :\");\n filter(languages, (str)->true);\n\n System.out.println(\"Print no language : \");\n filter(languages, (str)->false);\n\n System.out.println(\"Print language whose length greater than 4:\");\n // filter(languages, (str)->str.length() > 4);\n\n // 甚至可以用and()、or()和xor()逻辑函数来合并Predicate，\n // 例如要找到所有以J开始，长度为四个字母的名字，你可以合并两个Predicate并传入\n Predicate startsWithJ = (n) -> n.startsWith(\"J\");\n Predicate fourLetterLong = (n) -> n.length() == 4;\n languages.stream()\n .filter(startsWithJ.and(fourLetterLong))\n .forEach((n) -> System.out.print(\"nName, which starts with 'J' and four letter long is : \" + n));\n }\n\n /**\n * filter\n *\n * @param names\n * @param condition\n */\n public static void filter(List names, Predicate condition) {\n for (String name : names) {\n if (condition.test(name)) {\n System.out.println(name + \" \");\n }\n }\n }\n\n // 更好的办法\n public static void betterFilter(List names, Predicate condition) {\n names.stream().filter((name) -> (condition.test(name))).forEach((name) -> {\n System.out.println(name + \" \");\n });\n }\n}\n"
},
{
"path": "src/main/java/com/java8/Demo0400_LambdaMapReduce.java",
"content": "package com.java8;\n\nimport java.util.Arrays;\nimport java.util.IntSummaryStatistics;\nimport java.util.List;\nimport java.util.stream.Collectors;\n\n/**\n * @author MarkShen\n */\npublic class Demo0400_LambdaMapReduce {\n public static void main(String[] args) {\n // 不使用lambda表达式为每个订单加上12%的税\n List costBeforeTax = Arrays.asList(100, 200, 300, 400, 500);\n for (Integer cost : costBeforeTax) {\n double price = cost + .12*cost;\n System.out.println(price);\n }\n\n // 使用lambda表达式\n costBeforeTax.stream().map((cost) -> cost + .12*cost).forEach(System.out::println);\n\n\n\n // 为每个订单加上12%的税\n // 老方法：\n double total = 0;\n for (Integer cost : costBeforeTax) {\n double price = cost + .12*cost;\n total = total + price;\n }\n System.out.println(\"Total : \" + total);\n\n // 新方法：\n double bill = costBeforeTax.stream().map((cost) -> cost + .12*cost).reduce((sum, cost) -> sum + cost).get();\n System.out.println(\"Total : \" + bill);\n\n\n // 创建一个字符串列表，每个字符串长度大于2\n List strList = Arrays.asList(\"Java\", \"Scala\", \"C++\", \"Haskell\", \"Lisp\");\n List filtered = strList.stream().filter(x -> x.length()> 2).collect(Collectors.toList());\n System.out.printf(\"Original List : %s, filtered list : %s %n\", strList, filtered);\n\n\n // 将字符串换成大写并用逗号链接起来\n List G7 = Arrays.asList(\"USA\", \"Japan\", \"France\", \"Germany\", \"Italy\", \"U.K.\",\"Canada\");\n String G7Countries = G7.stream().map(x -> x.toUpperCase()).collect(Collectors.joining(\", \"));\n System.out.println(G7Countries);\n\n // 用所有不同的数字创建一个正方形列表\n List numbers = Arrays.asList(9, 10, 3, 4, 7, 3, 4);\n List distinct = numbers.stream().map( i -> i*i).distinct().collect(Collectors.toList());\n System.out.printf(\"Original List : %s, Square Without duplicates : %s %n\", numbers, distinct);\n\n //获取数字的个数、最小值、最大值、总和以及平均值\n List primes = Arrays.asList(2, 3, 5, 7, 11, 13, 17, 19, 23, 29);\n IntSummaryStatistics stats = primes.stream().mapToInt((x) -> x).summaryStatistics();\n System.out.println(\"Highest prime number in List : \" + stats.getMax());\n System.out.println(\"Lowest prime number in List : \" + stats.getMin());\n System.out.println(\"Sum of all prime numbers : \" + stats.getSum());\n System.out.println(\"Average of all prime numbers : \" + stats.getAverage());\n }\n}\n"
},
{
"path": "src/main/java/com/java8/Demo0500_LambdaSimpleDemo.java",
"content": "package com.java8;\n\n/**\n * @author MarkShen\n */\npublic class Demo0500_LambdaSimpleDemo {\n public static void main(String[] args) {\n // 1. 不需要参数,返回值为 5\n // () -> 5\n\n // 2. 接收一个参数(数字类型),返回其2倍的值\n // x -> 2 * x\n\n // 3. 接受2个参数(数字),并返回他们的差值\n // (x, y) -> x – y\n\n // 4. 接收2个int型整数,返回他们的和\n // (int x, int y) -> x + y\n\n // 5. 接受一个 string 对象,并在控制台打印,不返回任何值(看起来像是返回void)\n // (String s) -> System.out.print(s)\n\n Demo0500_LambdaSimpleDemo tester = new Demo0500_LambdaSimpleDemo();\n\n // 类型声明\n MathOperation addition = (int a, int b) -> a + b;\n\n // 不用类型声明\n MathOperation subtraction = (a, b) -> a - b;\n\n // 大括号中的返回语句\n MathOperation multiplication = (int a, int b) -> {\n return a * b;\n };\n\n // 没有大括号及返回语句\n MathOperation division = (int a, int b) -> a / b;\n\n System.out.println(\"10 + 5 = \" + tester.operate(10, 5, addition));\n System.out.println(\"10 - 5 = \" + tester.operate(10, 5, subtraction));\n System.out.println(\"10 x 5 = \" + tester.operate(10, 5, multiplication));\n System.out.println(\"10 / 5 = \" + tester.operate(10, 5, division));\n\n // 不用括号\n GreetingService greetService1 = message -> System.out.println(\"Hello \" + message);\n\n // 用括号\n GreetingService greetService2 = (message) -> System.out.println(\"Hello \" + message);\n\n greetService1.sayMessage(\"Runoob\");\n greetService2.sayMessage(\"Google\");\n }\n\n interface MathOperation {\n int operation(int a, int b);\n }\n\n interface GreetingService {\n void sayMessage(String message);\n }\n\n private int operate(int a, int b, MathOperation mathOperation) {\n return mathOperation.operation(a, b);\n }\n}\n"
},
{
"path": "src/main/java/com/java8/Demo0600_Stream.java",
"content": "package com.java8;\n\nimport java.util.Arrays;\nimport java.util.IntSummaryStatistics;\nimport java.util.List;\nimport java.util.Random;\nimport java.util.stream.Collectors;\n\n/**\n * Stream 01\n * @author MarkShen\n */\npublic class Demo0600_Stream {\n public static void main(String[] args) {\n /**\n +--------------------+ +------+ +------+ +---+ +-------+\n | stream of elements +-----> |filter+-> |sorted+-> |map+-> |collect|\n +--------------------+ +------+ +------+ +---+ +-------+\n */\n List strings = Arrays.asList(\"abc\", \"\", \"bc\", \"efg\", \"abcd\",\"\", \"jkl\");\n List filtered = strings.stream().filter(e -> !e.isEmpty()).collect(Collectors.toList());\n filtered.forEach(System.out::println);\n\n System.out.println();\n\n Random random = new Random();\n random.ints().limit(10).forEach(System.out::println);\n\n System.out.println();\n\n List numbers = Arrays.asList(3, 2, 2, 3, 7, 3, 5);\n List squaresList = numbers.stream().map(i -> i * i).distinct().collect(Collectors.toList());\n squaresList.forEach(System.out::println);\n\n List strs = Arrays.asList(\"abc\", \"\", \"bc\", \"efg\", \"abcd\",\"\", \"jkl\");\n long count = strs.stream().filter(s -> s.isEmpty()).count();\n System.out.println(count);\n\n System.out.println();\n\n Random rdm = new Random();\n rdm.ints().limit(10).sorted().forEach(System.out::println);\n\n System.out.println();\n\n List parallelStrings = Arrays.asList(\"abc\", \"\", \"bc\", \"efg\", \"abcd\",\"\", \"jkl\");\n // 获取空字符串的数量\n long countNum = parallelStrings.parallelStream().filter(s -> s.isEmpty()).count();\n System.out.println(countNum);\n\n System.out.println();\n\n List ss = Arrays.asList(\"abc\", \"\", \"bc\", \"efg\", \"abcd\",\"\", \"jkl\");\n List filteredList = ss.stream().filter(s -> !s.isEmpty()).collect(Collectors.toList());\n System.out.println(\"筛选列表: \" + filteredList);\n String mergedString = strings.stream().filter(string -> !string.isEmpty()).collect(Collectors.joining(\", \"));\n System.out.println(\"合并字符串: \" + mergedString);\n\n System.out.println();\n\n List numberList = Arrays.asList(3, 2, 2, 3, 7, 3, 5);\n IntSummaryStatistics stats = numberList.stream().mapToInt((x) -> x).summaryStatistics();\n System.out.println(\"列表中最大的数 : \" + stats.getMax());\n System.out.println(\"列表中最小的数 : \" + stats.getMin());\n System.out.println(\"所有数之和 : \" + stats.getSum());\n System.out.println(\"平均数 : \" + stats.getAverage());\n }\n}\n"
},
{
"path": "src/main/java/com/java8/Demo0700_Stream.java",
"content": "package com.java8;\n\nimport java.util.*;\nimport java.util.function.Supplier;\nimport java.util.stream.Collectors;\nimport java.util.stream.IntStream;\nimport java.util.stream.Stream;\n\n/**\n * Stream 02\n * @author MarkShen\n * https://www.ibm.com/developerworks/cn/java/j-lo-java8streamapi/index.html\n */\npublic class Demo0700_Stream {\n public static void main(String[] args) {\n /**\n * how to build stream\n */\n // 1. Individual values\n Stream stream = Stream.of(\"a\", \"b\", \"c\");\n\n // 2. Arrays\n String [] strArray = new String[] {\"a\", \"b\", \"c\"};\n stream = Stream.of(strArray);\n stream = Arrays.stream(strArray);\n\n // 3. Collections\n List list = Arrays.asList(strArray);\n stream = list.stream();\n\n /**\n * number stream build\n */\n IntStream.of(new int[]{1, 2, 3}).forEach(System.out::println);\n IntStream.range(1, 3).forEach(System.out::println);\n IntStream.rangeClosed(1, 3).forEach(System.out::println);\n\n /**\n * other data structure from stream\n */\n String[] strArr = {\"a\", \"b\", \"c\"};\n // 1. Array, List, Set, Stack, String\n String[] sArr = Arrays.stream(strArr).toArray(String[]::new);\n List list1 = Arrays.stream(strArr).collect(Collectors.toList());\n List list2 = Arrays.stream(strArr).collect(Collectors.toCollection(ArrayList::new));\n Set set1 = Arrays.stream(strArr).collect(Collectors.toSet());\n Stack stack1 = Arrays.stream(strArr).collect(Collectors.toCollection(Stack::new));\n String str = Arrays.stream(strArr).collect(Collectors.joining(\", \"));\n\n // convert all elements to upper case\n List myList = Arrays.asList(\"a1\", \"a2\", \"b1\", \"c2\", \"c1\");\n myList.stream()\n .filter(e -> e.startsWith(\"c\"))\n .map(String::toUpperCase)\n .sorted()\n .forEach(System.out::println);\n\n Stream> inputStream = Stream.of(\n Arrays.asList(1),\n Arrays.asList(2, 3),\n Arrays.asList(4, 5, 6)\n );\n Stream outputStream = inputStream.\n flatMap((childList) -> childList.stream());\n outputStream.forEach(System.out::println);\n\n System.out.println();\n\n Stream.of(\"one\", \"two\", \"three\", \"four\")\n .filter(e -> e.length() > 3)\n .peek(e -> System.out.println(\"Filtered value: \" + e))\n .map(String::toUpperCase)\n .peek(e -> System.out.println(\"Mapped value: \" + e))\n .collect(Collectors.toList());\n\n System.out.println();\n\n Stream.of(\"one\", \"two\", \"three\", \"four\")\n .findFirst().ifPresent(System.out::println);\n\n System.out.println();\n\n // 字符串连接，concat = \"ABCD\"\n String concat = Stream.of(\"A\", \"B\", \"C\", \"D\").reduce(\"\", String::concat);\n // 求最小值，minValue = -3.0\n double minValue = Stream.of(-1.5, 1.0, -3.0, -2.0).reduce(Double.MAX_VALUE, Double::min);\n // 求和，sumValue = 10, 有起始值\n int sumValue = Stream.of(1, 2, 3, 4).reduce(0, Integer::sum);\n // 求和，sumValue = 10, 无起始值\n sumValue = Stream.of(1, 2, 3, 4).reduce(Integer::sum).get();\n // 过滤，字符串连接，concat = \"ace\"\n concat = Stream.of(\"a\", \"B\", \"c\", \"D\", \"e\", \"F\").\n filter(x -> x.compareTo(\"Z\") > 0).\n reduce(\"\", String::concat);\n\n System.out.println();\n\n Stream.of(1, 2, 3, 4, 5, 6, 7, 8, 9)\n .limit(3)\n .skip(2)\n .collect(Collectors.toList()).forEach(System.out::println);\n\n System.out.println();\n\n List people = new ArrayList<>();\n for (int i = 0; i < 10; i ++) {\n people.add(new Person(i, \"name\" + i));\n }\n people.add(new Person(10, \"name0\"));\n\n // 根据 name 属性降序输出\n people.stream()\n .sorted(Comparator.comparing(Person::getName).reversed())\n .collect(Collectors.toList())\n .forEach(System.out::println);\n\n Map> result = people.stream()\n .collect(Collectors.groupingBy(Person::getName));\n System.out.println(result);\n\n long c = people.stream().filter(x -> x.getId() > 5).count();\n System.out.println(c);\n\n long resultNum = people.stream().map(Person::getName).distinct().count();\n System.out.println(resultNum);\n\n Optional min = people.stream().min(Comparator.comparing(Person::getId));\n System.out.println(min.get());\n\n Optional max = people.stream().max(Comparator.comparing(Person::getId));\n max.ifPresent(System.out::println);\n\n Random seed = new Random();\n Supplier random = seed::nextInt;\n Stream.generate(random).limit(10).forEach(System.out::println);\n // Another way\n IntStream.generate(() -> (int) (System.nanoTime() % 100)).\n limit(10).forEach(System.out::println);\n\n Stream.iterate(0, n -> n + 3).limit(10). forEach(x -> System.out.print(x + \" \"));\n\n Map> resultMap = people.stream()\n .collect(Collectors.partitioningBy(p -> p.getId() < 6));\n System.out.println(resultMap);\n }\n}"
},
{
"path": "src/main/java/com/java8/Demo0800_Stream.java",
"content": "package com.java8;\n\nimport java.util.*;\nimport java.util.stream.Collectors;\n\npublic class Demo0800_Stream {\n public static void main(String[] args) {\n List persons = Arrays.asList(new Person(1, \"Bob\", 21, 1), new Person(2, \"Alice\", 25, 0),\n new Person(4, \"Calvin\", 26, 1), new Person(3, \"Susan\", 34, 0), new Person(5, \"Trump\", 70, 1));\n\n Person persion = persons.stream().filter(p -> p.getName().equals(\"Bob\")).findFirst().orElse(null);\n System.out.println(persion);\n\n // 人小于等于25的人的名字\n List names =\n persons.stream().filter(p -> p.getAge() <= 25).map(Person::getName).collect(Collectors.toList());\n\n System.out.println(names);\n\n // 分页查询实现\n int pageIndex = 1;\n int pageSize = 2;\n int recordIndex = (pageIndex - 1) * pageSize;\n List pagedPerson = persons.stream().skip(recordIndex) // 每页第一条数据的位置\n .limit(pageSize) // 页面大小\n .collect(Collectors.toList());\n\n System.out.println(pagedPerson);\n\n // Searching\n Optional any = persons.stream().filter(p -> p.getAge() < 25).findAny();\n\n System.out.println(any);\n System.out.println(persons.stream().anyMatch(p -> p.getAge() < 25));\n\n // Reordering Descending\n List sortedPersons = persons.stream().sorted(Comparator.comparing(Person::getAge).reversed()) // 升序\n .collect(Collectors.toList());\n\n System.out.println(sortedPersons);\n\n // Summarizing\n int sum = 0;\n sum = persons.stream().mapToInt(Person::getAge).reduce(0, (total, currentVal) -> total + currentVal);\n System.out.println(sum);\n\n sum = persons.stream().mapToInt(Person::getAge).sum();\n System.out.println(sum);\n\n long count = 0;\n count = persons.stream().mapToInt(Person::getAge).count();\n System.out.println(count);\n\n // calculating summary\n IntSummaryStatistics ageStatistics = persons.stream().mapToInt(Person::getAge).summaryStatistics();\n System.out.println(ageStatistics.getAverage());\n System.out.println(ageStatistics.getCount());\n System.out.println(ageStatistics.getMax());\n System.out.println(ageStatistics.getMin());\n System.out.println(ageStatistics.getSum());\n\n // Grouping\n Map> peopleGroupBySex =\n persons.stream().collect(Collectors.groupingBy(Person::getSex, Collectors.toList()));\n System.out.println(peopleGroupBySex);\n\n Map> nameByGender = persons.stream()\n .collect(Collectors.groupingBy(Person::getSex, Collectors.mapping(Person::getName, Collectors.toList())));\n System.out.println(nameByGender);\n\n Map averageAgeByGender =\n persons.stream().collect(Collectors.groupingBy(Person::getSex, Collectors.averagingInt(Person::getAge)));\n System.out.println(averageAgeByGender);\n }\n}\n"
},
{
"path": "src/main/java/com/java8/NewFeatures.java",
"content": "/**\n *\n */\npackage com.java8;\n\nimport java.util.Arrays;\nimport java.util.List;\n\n/**\n * @author MarkShen\n * @see https://www.oracle.com/technetwork/java/javase/8-whats-new-2157071.html\n * @see https://openjdk.org/projects/jdk8/features\n * @see http://www.importnew.com/16436.html\n */\npublic class NewFeatures {\n public static void main(String[] args) {\n // Java SE 8 Features and Enhancements\n List primes = Arrays.asList(new Integer[]{2, 3,5,7});\n int factor = 2;\n primes.forEach(element -> { System.out.println(factor*element); });\n primes.forEach(element -> System.out.println(factor*element));\n primes.forEach(e -> System.out.println(\"Hello World \" + e));\n }\n}\n"
},
{
"path": "src/main/java/com/java8/Person.java",
"content": "package com.java8;\n\npublic class Person {\n private int id;\n private String name;\n private int age;\n private int sex;\n\n public Person() {}\n\n public Person(int id, String name) {\n this.id = id;\n this.name = name;\n }\n\n public Person(int id, String name, int age, int sex) {\n this.id = id;\n this.name = name;\n this.age = age;\n this.sex = sex;\n }\n\n public int getId() {\n return id;\n }\n\n public void setId(int id) {\n this.id = id;\n }\n\n public String getName() {\n return name;\n }\n\n public void setName(String name) {\n this.name = name;\n }\n\n public int getAge() {\n return age;\n }\n\n public void setAge(int age) {\n this.age = age;\n }\n\n public int getSex() {\n return sex;\n }\n\n public void setSex(int sex) {\n this.sex = sex;\n }\n\n @Override\n public String toString() {\n return \"Person{\" +\n \"id=\" + id +\n \", name='\" + name + '\\'' +\n \", age='\" + age + '\\'' +\n \", sex=\" + sex +\n '}';\n }\n}\n"
},
{
"path": "src/main/java/com/java9/NewFeatures.java",
"content": "/**\n *\n */\npackage com.java9;\n\n/**\n * @author MarkShen\n * @see https://docs.oracle.com/javase/9/whatsnew/toc.htm#JSNEW-GUID-C23AFD78-C777-460B-8ACE-58BE5EA681F6\n * @see https://openjdk.org/projects/jdk9/\n */\npublic class NewFeatures {\n public static void main(String[] args) {\n // Java SE 9 Features and Enhancements\n }\n}\n"
},
{
"path": "src/main/java/com/jvm/OutOfMemoryException.java",
"content": "package com.jvm;\n\nimport java.util.ArrayList;\nimport java.util.List;\n\n/**\n * @author MarkShen\n * @since 20190622\n * Exception: OutOfMemoryError 抛出，可以改造成多线程往List里面加\n */\npublic class OutOfMemoryException {\n static List
![\"drawing\"](\"./like.jpg\")
\n\n\n\n\n\n\n"
},
{
"path": "concurrency.md",
"content": "# 马士兵高并发编程视频教程源码。\n\n### 线程池类图\n\n\n\n\n\n### 计算机体系结构\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n计算机硬件知识\n\n