java生产者消费者 阻塞_java 用阻塞队列实现生产者消费者

package com.lb;

import java.util.concurrent.ArrayBlockingQueue;

import java.util.concurrent.BlockingQueue;

public class ProductConsumer {

private BlockingQueue queue = null;

private boolean flag = true;

public static void main(String[] args) {

// TODO Auto-generated method stub

new ProductConsumer().test();

}

public void test() {

Product product = new Product(queue);

Consumer consumer = new Consumer(queue);

Thread p = new Thread(product);

Thread c = new Thread(consumer);

p.start();

c.start();

}

public ProductConsumer() {

queue = new ArrayBlockingQueue<>(1);

}

class Product implements Runnable {

private BlockingQueue queue = null;

public Product(BlockingQueue queue) {

// TODO Auto-generated constructor stub

this.queue = queue;

}

@Override

public void run() {

// TODO Auto-generated method stub

while (flag) {

try {

Thread.sleep(1000);

} catch (InterruptedException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

String n = String.valueOf((int) (Math.random() * 10));

try {

queue.put(n);

System.out.println("生产了 " + n);

} catch (InterruptedException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

}

}

class Consumer implements Runnable {

private BlockingQueue queue = null;

public Consumer(BlockingQueue queue) {

// TODO Auto-generated constructor stub

this.queue = queue;

}

@Override

public void run() {

// TODO Auto-generated method stub

while (flag) {

try {

Thread.sleep(4000);

System.out.println("消费了 " + queue.take());

} catch (InterruptedException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

}

}

}