用队列ConcurrentLinkedQueue模拟生产者和消费者

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package com.queue;import java.util.Queue;import java.util.UUID;import java.util.concurrent.ConcurrentLinkedQueue;/** * Created by lifeng * 2017/12/20 10:15 */public class QueueTest2 {    public static void main(String[] args) {        Queue<String> queue = new ConcurrentLinkedQueue<String>();        Thread t1 = new Thread(new Producter(queue));        Thread t3 = new Thread(new Producter(queue));        Thread t2 = new Thread(new Consumer(queue));        Thread t4 = new Thread(new Consumer(queue));        t1.start();        t2.start();        t3.start();        t4.start();    }}class Producter implements Runnable{    private Queue<String> queue;    public Producter(Queue<String> queue){        this.queue = queue;    }    @Override    public void run() {        while (true){            synchronized(Integer.class){                if(queue.size() < 5000){                    String data = UUID.randomUUID().toString();                    boolean flag = queue.offer(data);                    System.out.println("线程"+Thread.currentThread().getName()+"生产:"+ (flag==true ? data:""));                }else{                    try {                        Thread.sleep(100);                    } catch (InterruptedException e) {                        e.printStackTrace();                    }                }            }        }    }}class Consumer implements Runnable{    private Queue<String> queue;    public Consumer(Queue<String> queue){        this.queue = queue;    }    @Override    public void run() {        while (true){            synchronized(String.class){                if(!queue.isEmpty()){                    String data = queue.poll();                    System.out.println("线程"+Thread.currentThread().getName()+"消费:"+ data);                }else{                    try {                        Thread.sleep(10);                    } catch (InterruptedException e) {                        e.printStackTrace();                    }                }            }        }    }}

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