进阶day05-多线程启动方式一:继承Thread类
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javaSE-day05/src/com/inmind/thread07/MyThread.java
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javaSE-day05/src/com/inmind/thread07/MyThread.java
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package com.inmind.thread07;
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public class MyThread extends Thread{
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//默认无参构造方法
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/*public MyThread(){
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super();
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}*/
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@Override
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public void run() {//重写的run方法的作用:当前线程要执行的任务
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for (int i = 0; i < 1000; i++) {
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System.out.println("hello pyhton");
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}
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}
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}
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javaSE-day05/src/com/inmind/thread07/ThreadDemo02.java
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javaSE-day05/src/com/inmind/thread07/ThreadDemo02.java
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package com.inmind.thread07;
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/*
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在java中使用一个类Thread来表示一个线程.
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启动多线程的方式一:
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1.定义一个子类继承Thread
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2.重写run方法
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3.创建子类对象,调用start方法启动
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*/
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public class ThreadDemo02 {
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public static void main(String[] args) {
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//开启一个新的线程执行
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MyThread myThread = new MyThread();
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// myThread.run();//不能直接调用run方法,否则不启动多线程
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//注意:start方法的作用是,真的启动线程,启动起来的新线程的任务是执行该线程类的run方法
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myThread.start();
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for (int i = 0; i < 1000; i++) {
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System.out.println("hello java");
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}
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System.out.println("程序结束");
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}
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}
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