进阶day05-Thread类的常见API
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package com.inmind.thread07;
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public class MyThread extends Thread{
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public MyThread(String name) {
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super(name);
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}
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//默认无参构造方法
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/*public MyThread(){
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public MyThread(){
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super();
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}*/
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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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/*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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Thread subThread = Thread.currentThread();
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System.out.println("子线程的名字:"+subThread.getName());
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}
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}
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42
javaSE-day05/src/com/inmind/thread07/ThreadDemo03.java
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42
javaSE-day05/src/com/inmind/thread07/ThreadDemo03.java
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package com.inmind.thread07;
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/*
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Thread类的常用API
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构造方法:
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public Thread() :分配一个新的线程对象。
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public Thread(String name) :分配一个指定名字的新的线程对象。
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常用方法:
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public String getName() :获取当前线程名称。
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public void start() :导致此线程开始执行; Java虚拟机调用此线程的run方法。
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public void run() :此线程要执行的任务在此处定义代码。
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public static void sleep(long millis) :使当前正在执行的线程以指定的毫秒数暂停(暂时停止执行)。
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public static Thread currentThread() :获取到当前正在执行的线程对象。(重点)
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*/
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public class ThreadDemo03 {
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public static void main(String[] args) {
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//创建2个线程对象
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Thread thread1 = new MyThread("刘备");
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Thread thread2 = new MyThread("关羽");
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thread1.start();
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thread2.start();
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System.out.println(thread1.getName());
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System.out.println(thread2.getName());
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//在主方法中获取当前线程对象(主线程)
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Thread mainThread = Thread.currentThread();
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System.out.println(mainThread.getName());//main
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//让主线程暂停2秒再执行
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try {
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Thread.sleep(2000);
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} catch (InterruptedException e) {
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//回顾:只有继承了RuntimeException的,在运行时才会报出的异常,是运行时异常
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//如果直接在编译时就报错错误的异常,就是编译时异常
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throw new RuntimeException(e);
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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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