demothread.java

写给JSP初级程序员的书

package jdeveloper.study;

/**
 * Title:        Jdeveloper's Java Projdect
 * Description:  n/a
 * Copyright:    Copyright (c) 2001
 * Company:      soho  http://www.ChinaJavaWorld.com
 * @author [e-mail]
 * @version 1.0
 */
import java.lang.Runnable;
import java.lang.Thread;

public class DemoThread implements Runnable{

  public DemoThread() {
         TestThread testthread1 = new TestThread(this,"1");
         TestThread testthread2 = new TestThread(this,"2");

         testthread2.start();
         testthread1.start();


  }

  public static void main(String[] args) {
    DemoThread demoThread1 = new DemoThread();

  }


   public void run(){

        TestThread t = (TestThread) Thread.currentThread();
        try{
          if (!t.getName().equalsIgnoreCase("1")) {
              synchronized(this) {
                  wait();
              }
          }
          while(true){

            System.out.println("@time in thread"+ t.getName()+ "="+ t.increaseTime());

            if(t.getTime()%10 == 0) {
              synchronized(this) {
                System.out.println("****************************************");
                this.notifyAll();
                if ( t.getTime()==100 ) break;
                wait();
            }
          }
        }
        }catch(Exception e){e.printStackTrace();}
    }

}

class TestThread extends Thread{
    private int time = 0 ;
    public TestThread(Runnable r,String name){
      super(r,name);
    }
    public int getTime(){
       return time;
    }
    public int increaseTime (){
       return ++time;
    }


}