interrupt()方法结束子线程

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import java.util.*;
public class TestInterrupt {
public static void main(String[] args) {
    MyThread thread = new MyThread();
    thread.start();
    try {Thread.sleep(20000);}//20秒
    catch (InterruptedException e) {}
    thread.interrupt();//让子线程结束
}
}

class MyThread extends Thread {
public void run(){
    while(true){
      System.out.println("==="+new Date()+"===");
      try {
        sleep(1000);//1秒
      } catch (InterruptedException e) {
        return;
      }
    }
}
}

运行结果：

D:\mytest\Thread>java TestInterrupt
===Sun Mar 23 17:42:51 CST 2014===
===Sun Mar 23 17:42:52 CST 2014===
===Sun Mar 23 17:42:53 CST 2014===
===Sun Mar 23 17:42:54 CST 2014===
===Sun Mar 23 17:42:55 CST 2014===
===Sun Mar 23 17:42:56 CST 2014===
===Sun Mar 23 17:42:57 CST 2014===
===Sun Mar 23 17:42:58 CST 2014===
===Sun Mar 23 17:42:59 CST 2014===
===Sun Mar 23 17:43:00 CST 2014===
===Sun Mar 23 17:43:01 CST 2014===
===Sun Mar 23 17:43:02 CST 2014===
===Sun Mar 23 17:43:03 CST 2014===
===Sun Mar 23 17:43:04 CST 2014===
===Sun Mar 23 17:43:05 CST 2014===
===Sun Mar 23 17:43:06 CST 2014===
===Sun Mar 23 17:43:07 CST 2014===
===Sun Mar 23 17:43:08 CST 2014===
===Sun Mar 23 17:43:09 CST 2014===
===Sun Mar 23 17:43:10 CST 2014===

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