多生产者多消费者实例

来源：互联网发布：网络大电影制作编辑：程序博客网时间：2024/05/22 17:23
package multithread;class Resource{    private String name;    private int count = 1;    private boolean flag = false;    public synchronized void set(String name)//      {        while(flag)            try{this.wait();}catch(InterruptedException e){}//   t1    t0        this.name = name + count;//烤鸭1  烤鸭2  烤鸭3        count++;//2 3 4        System.out.println(Thread.currentThread().getName()+"...生产者..."+this.name);//生产烤鸭1 生产烤鸭2 生产烤鸭3        flag = true;        notifyAll();    }    public synchronized void out()//  t3    {        while(!flag)            try{this.wait();}catch(InterruptedException e){}    //t2  t3        System.out.println(Thread.currentThread().getName()+"...消费者........"+this.name);//消费烤鸭1        flag = false;        notifyAll();    }}class Producer implements Runnable{    private Resource r;    Producer(Resource r)    {        this.r = r;    }    public void run()    {        while(true)        {            r.set("烤鸭");        }    }}class Consumer implements Runnable{    private Resource r;    Consumer(Resource r)    {        this.r = r;    }    public void run()    {        while(true)        {            r.out();        }    }}class  Threaddemo{    public static void main(String[] args)     {        Resource r = new Resource();        Producer pro = new Producer(r);        Consumer con = new Consumer(r);        Thread t0 = new Thread(pro);        Thread t1 = new Thread(pro);        Thread t2 = new Thread(con);        Thread t3 = new Thread(con);        t0.start();        t1.start();        t2.start();        t3.start();    }}
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