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✨ adding concurrent demos
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‎codes/advanced/pom.xml‎

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</parent>
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<!-- RELATIONSHIP SETTINGS END -->
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<!-- PROPERTIES BEGIN -->
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<java.version>1.6</java.version>
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<maven.compiler.source>${java.version}</maven.compiler.source>
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<maven.compiler.target>${java.version}</maven.compiler.target>
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</properties>
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<!-- PROPERTIES END -->
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<!-- [Part 1] BASIC SETTINGS END -->
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‎codes/basics/pom.xml‎

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</parent>
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<!-- RELATIONSHIP SETTINGS END -->
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<!-- PROPERTIES BEGIN -->
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<java.version>1.6</java.version>
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<maven.compiler.source>${java.version}</maven.compiler.source>
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<maven.compiler.target>${java.version}</maven.compiler.target>
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</properties>
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<!-- PROPERTIES END -->
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<!-- [Part 1] BASIC SETTINGS END -->
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‎codes/concurrent/pom.xml‎

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<?xml version="1.0"?>
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<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
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xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
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<modelVersion>4.0.0</modelVersion>
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<!-- [Part 1] BASIC SETTINGS BEGIN -->
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<!-- MAVEN COORDINATE BEGIN -->
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<artifactId>javase-notes-concurrent</artifactId>
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<packaging>jar</packaging>
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<!-- MAVEN COORDINATE END -->
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<!-- RELATIONSHIP SETTINGS BEGIN -->
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<parent>
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<groupId>io.github.dunwu</groupId>
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<artifactId>javase-notes</artifactId>
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<version>1.0.1</version>
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</parent>
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<!-- RELATIONSHIP SETTINGS END -->
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<!-- [Part 1] BASIC SETTINGS END -->
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<!-- [Part 3] PROJECT INFO BEGIN -->
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<name>${project.artifactId}</name>
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<description>JavaSE 学习笔记之并发篇</description>
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<!-- [Part 3] PROJECT INFO END -->
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</project>

‎codes/concurrent/src/main/java/io/github/dunwu/javase/concurrent/chapter01/MyThread.java‎

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package io.github.dunwu.javase.concurrent.chapter01;
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/**
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* @author Zhang Peng
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*/
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public class MyThread implements Runnable {
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@Override
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public void run() {
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for (int i = 0; i < 10; i++) {
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try {
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Thread.sleep(500); // 线程休眠
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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System.out.println(Thread.currentThread().getName() + "运行，i = " + i);
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}
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}
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}

‎codes/concurrent/src/main/java/io/github/dunwu/javase/concurrent/chapter01/RunnableDemo.java‎

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package io.github.dunwu.javase.concurrent.chapter01;
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/**
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* @author Zhang Peng
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*/
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public class RunnableDemo implements Runnable {
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private int ticket = 5;
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private String name;
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public RunnableDemo() {
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}
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public RunnableDemo(String name) {
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this.name = name;
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}
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/**
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* 覆写run()方法，作为线程 的操作主体
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*/
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@Override
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public void run() {
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for (int i = 0; i < 100; i++) {
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if (this.ticket > 0) {
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System.out.println(this.name + " 卖票：ticket = " + ticket--);
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}
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}
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}
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}

‎codes/concurrent/src/main/java/io/github/dunwu/javase/concurrent/chapter01/ThreadDemo.java‎

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package io.github.dunwu.javase.concurrent.chapter01;
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/**
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* @author Zhang Peng
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*/
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public class ThreadDemo extends Thread {
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private int ticket = 5;
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public ThreadDemo(String name) {
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super(name);
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}
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/**
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* 覆写run()方法，作为线程 的操作主体
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*/
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@Override
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public void run() {
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for (int i = 0; i < 100; i++) {
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if (this.ticket > 0) {
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System.out.println(this.getName() + " 卖票：ticket = " + ticket--);
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}
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}
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}
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}

‎codes/concurrent/src/test/java/io/github/dunwu/javase/concurrent/chapter01/RunnableDemoTest.java‎

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package io.github.dunwu.javase.concurrent.chapter01;
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import org.junit.Test;
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/**
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* @author Zhang Peng
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*/
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public class RunnableDemoTest {
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@Test
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public void test() {
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RunnableDemo runnableDemo = new RunnableDemo("Runnable 线程") ; // 实例化对象
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new Thread(runnableDemo).run() ; // 调用线程主体
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new Thread(runnableDemo).run() ; // 调用线程主体
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new Thread(runnableDemo).run() ; // 调用线程主体
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}
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}

‎codes/concurrent/src/test/java/io/github/dunwu/javase/concurrent/chapter01/ThreadDemoTest.java‎

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package io.github.dunwu.javase.concurrent.chapter01;
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import org.junit.Assert;
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import org.junit.Test;
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/**
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* @author Zhang Peng
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*/
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public class ThreadDemoTest extends Thread {
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@Test
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public void test() {
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ThreadDemo threadDemo1 = new ThreadDemo("线程A"); // 实例化对象
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ThreadDemo threadDemo2 = new ThreadDemo("线程B"); // 实例化对象
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ThreadDemo threadDemo3 = new ThreadDemo("线程C"); // 实例化对象
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threadDemo1.run(); // 调用线程主体
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threadDemo2.run(); // 调用线程主体
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threadDemo3.run(); // 调用线程主体
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}
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@Test
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public void testCurrentThread() {
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MyThread target = new MyThread(); // 实例化Runnable子类对象
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new Thread(target, "线程").start(); // 启动线程
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target.run(); // 直接调用run()方法
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}
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@Test
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public void testSetDaemon() {
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MyThread target = new MyThread(); // 实例化Runnable子类对象
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Thread t = new Thread(target, "线程"); // 实例化Thread对象
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t.setDaemon(true); // 此线程在后台运行
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t.start(); // 启动线程
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}
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@Test
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public void testThreadName() {
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MyThread target = new MyThread(); // 实例化Runnable子类对象
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new Thread(target).start(); // 系统自动设置线程名称
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new Thread(target, "线程-A").start(); // 手工设置线程名称
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new Thread(target, "线程-B").start(); // 手工设置线程名称
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new Thread(target).start(); // 系统自动设置线程名称
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new Thread(target).start(); // 系统自动设置线程名称
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}
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@Test
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public void testThreadAlive() {
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MyThread mt = new MyThread(); // 实例化Runnable子类对象
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Thread t = new Thread(mt, "线程"); // 实例化Thread对象
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System.out.println("线程开始执行之前 --> " + t.isAlive()); // 判断是否启动
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Assert.assertFalse(t.isAlive());
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t.start(); // 启动线程
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System.out.println("线程开始执行之后 --> " + t.isAlive()); // 判断是否启动
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Assert.assertTrue(t.isAlive());
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for (int i = 0; i < 3; i++) {
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System.out.println(" main运行 --> " + i);
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}
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// 以下的输出结果不确定
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System.out.println("代码执行之后 --> " + t.isAlive()); // 判断是否启动
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}
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@Test
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public void testThreadPriority() {
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Thread t1 = new Thread(new MyThread(), "线程A"); // 实例化线程对象
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Thread t2 = new Thread(new MyThread(), "线程B"); // 实例化线程对象
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Thread t3 = new Thread(new MyThread(), "线程C"); // 实例化线程对象
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t1.setPriority(Thread.MIN_PRIORITY); // 优先级最低
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t2.setPriority(Thread.MAX_PRIORITY); // 优先级最低
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t3.setPriority(Thread.NORM_PRIORITY); // 优先级最低
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t1.start(); // 启动线程
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t2.start(); // 启动线程
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t3.start(); // 启动线程
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}
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@Test
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public void testThreadSleep() {
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MyThread target = new MyThread(); // 实例化Runnable子类对象
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Thread t = new Thread(target, "线程"); // 实例化Thread对象
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t.start(); // 启动线程
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}
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}

‎codes/effective/pom.xml‎

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</parent>
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<!-- RELATIONSHIP SETTINGS END -->
2020

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<!-- PROPERTIES BEGIN -->
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<java.version>1.6</java.version>
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<maven.compiler.source>${java.version}</maven.compiler.source>
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<maven.compiler.target>${java.version}</maven.compiler.target>
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</properties>
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<!-- PROPERTIES END -->
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<!-- [Part 1] BASIC SETTINGS END -->
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‎codes/pom.xml‎

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<module>advanced</module>
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<module>effective</module>
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<module>jdk8</module>
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<module>concurrent</module>
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</modules>
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<dependencies>
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<dependency>
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<!-- PROPERTIES BEGIN -->
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<java.version>1.8</java.version>
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<maven.compiler.source>${java.version}</maven.compiler.source>
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<maven.compiler.target>${java.version}</maven.compiler.target>
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</properties>
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<!-- PROPERTIES END -->
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