标签:rup not 消费者 gen wait out extend ted extends
借助标志位public class light {
public static void main(String[]args)
{
Tv tv=new Tv();
new Player(tv).start();
new Watcher(tv).start();
}
}
//生产者 演员
class Player extends Thread{
Tv tv;
public Player(Tv tv)
{
this.tv=tv;
}
public void run()
{
for(int i=0;i<20;i++)
{
if(i%2==0)
{
this.tv.play("偶不变");
}else
{
this.tv.play("奇变");
}
}
}
}
//消费者 观众
class Watcher extends Thread{
Tv tv;
public Watcher(Tv tv)
{
this.tv=tv;
}
public void run()
{
for(int i=0;i<20;i++)
{
this.tv.watch("无聊");
}
}
}
//同一个资源 电视
class Tv {
String voice;
//信号灯
//为真则演员表演,观众等待
//为假则观众观看,演员等待
boolean flag=true;
//表演
public synchronized void play(String voice)
{
if(!flag)
{
try {
this.wait();
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
System.out.println("表演了:"+voice);
this.voice=voice;
//表演后
this.notifyAll();
this.flag=!this.flag;
}
public void watch(String string) {
// TODO Auto-generated method stub
}
//观看
public synchronized void watch()
{
if(flag)
{
try {
this.wait();
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
System.out.println("听到了:"+voice);
//观看后:
this.notifyAll();
this.flag=!this.flag;
}
}
标签:rup not 消费者 gen wait out extend ted extends
原文地址:https://blog.51cto.com/14437184/2429995