class ProducerConsumerDemo
{
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)
{
if(flag)
try{wait();}catch(Exception e){}
this.name = name+"..."+count++;
System.out.println(Thread.currentThread().getName()+".生产者."+this.name);
flag = true;
this.notify();
}
public synchronized void out()
{
if(flag)
try{wait();}catch(Exception e){}
System.out.println(Thread.currentThread().getName()+".消费者."+this.name);
flag = false;
this.notify();
}
}
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();
}
}
}
编译出来为什么不是一产品，一个消费者的显示?
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