黑马程序员 java基础Thread生产者消费者

----------- android培训、java培训、java学习型技术博客、期待与您交流！ ------------

 

  

public class ProducerConsumerDemo {


/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub


Resource r = new Resource();
Producer pro = new Producer(r);
Consumer con = new Consumer(r);


new Thread(pro).start();
new Thread(con).start();
}


}


class Resource {
private String name;
private int count = 1;
private boolean flag = false;


public synchronized void set(String name) {
if (flag) { //当2个以上的线程这里不用if改用while  下面不用notifyAll
try {
wait();
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
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 (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
System.out.println(Thread.currentThread().getName() + "..消费者.."
+ this.name);
flag = false;
this.notify();
}
}


// 生产者
class Producer implements Runnable {


private Resource res;


public Producer(Resource res) {
// TODO Auto-generated constructor stub
this.res = res;
}


@Override
public void run() {
// TODO Auto-generated method stub


while (true) {
res.set("+商品+");


}
}


}


// 消费者
class Consumer implements Runnable {


private Resource res;


public Consumer(Resource res) {
// TODO Auto-generated constructor stub
this.res = res;
}


@Override
public void run() {
// TODO Auto-generated method stub


while (true) {
res.out();


}
}


}

----------------------- android培训、java培训、java学习型技术博客、期待与您交流！ ----------------------

详情请查看：http://edu.csdn.net/heima