myrunthread.java

来自「java课件及例程有一些PPT及一些例程」· Java 代码 · 共 37 行

import java.util.*;
class MyRunThread implements Runnable {
   int pauseTime;
   String name;
   public MyRunThread(int hTime, String name) {
     pauseTime = hTime;
     this.name = name;
    }
   public void run() {
    for(int i=0;i<5;i++) {
      try {
      System.out.println(name + "：" + new Date(System.currentTimeMillis()));
      Thread.sleep(pauseTime);
       }
     catch(Exception e)  {
       System.out.println("线程错误："+e);
        }
       }
      }
  static public void main(String args[]) {
    System.out.println("1，当前活动线程数量为:"+Thread.activeCount());	
    MyRunThread m1 = new MyRunThread(2000, "线程A");
    Thread myThread1 = new Thread(m1,"线程A");
    myThread1.start();
    System.out.println("2，当前活动线程数量为::"+Thread.activeCount());
    MyRunThread m2 = new MyRunThread(2000, "线程B");
    Thread myThread2 = new Thread(m2,"线程B");
    myThread2.start();
    System.out.println("3，当前活动线程数量为:"+Thread.activeCount());
    System.out.println("线程myThread1的名字为："+myThread1.getName());
    System.out.println("线程myThread2的名字为："+myThread2.getName());
    myThread1.setName("线程1");
    m1.name = myThread1.getName();
    System.out.println("线程myThread1的名字改为："+myThread1.getName());
  }
}