- class Demo1
- {
- public static void main(String[] args)
- {
- Resource r=new Resource();
- Producer pro=new Producer(r);
- Consumer con=new Consumer(r);
- Thread t1=new Thread(pro);
- Thread t2=new Thread(pro);
- Thread t3=new Thread(con);
- Thread t4=new Thread(con);
- t1.start();
- t2.start();
- t3.start();
- t4.start();
- }
- }
- class Resource
- {
- private String name;
- private int count=1;
- private boolean flag=false;
- public synchronized void set(String name)
- {
- while(flag)
- try
- {
- wait();
- }
- catch (Exception e)
- {
- }
- this.name=name+"--"+count++;
- System.out.println(Thread.currentThread().getName()+"...生产者..."+this.name);
- flag=true;
- this.notifyAll();
- }
- public synchronized void out()
- {
- while(!flag)
- try
- {
- wait();
- }
- catch (Exception e)
- {
- }
- System.out.println(Thread.currentThread().getName()+"消费者"+this.name);
- flag=false;
- this.notifyAll();
- }
- }
- class Producer implements Runnable
- {
- private Resource res;
- Producer(Resource res)
- {
- this.res=res;
- }
- public void run()
- {
- while(true)
- {
- res.set("+商品+");
- }
- }
- }
- class Consumer implements Runnable
- {
- private Resource res;
- Consumer(Resource res)
- {
- this.res=res;
- }
- public void run()
- {
- while(true)
- {
- res.out();
- }
- }
- }
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