public class study_12_5 {
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{this.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{this.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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