例子十四.txt

这是一本java基础教程 对新手上路有很大帮助

class Daemon implements Runnable{
    Thread A,B;
    Daemon(){
        A=new Thread(this);
        B=new Thread(this);
    }
    public void run(){
        if(Thread.currentThread()==A){
            for(int i=0;i<8;i++){
               System.out.println("i="+i) ;
               try {  Thread.sleep(1000);    
            }
               catch(InterruptedException e) {}
            } 
        }
        else if(Thread.currentThread()==B){
            while(true){
               System.out.println("线程B是守护线程 "); 
               try{  Thread.sleep(1000);    
               }
               catch(InterruptedException e){}
            }
        }
    }    
}
public class Example8_14{
    public static void main(String args[ ]){
        Daemon a=new Daemon ();
        a.A.start();
        a.B.setDaemon(true);
        a.B.start();
    }
}