/*
- 阻塞队列
*/
package com.fatiaoyu;
import java.util.concurrent.BlockingQueue;
public class Producer extends Thread{
private BlockingQueue bq;
public Producer(BlockingQueue<String> bq) {
this.bq = bq;
}
public void run() {
try {
for(int i = 0; i<1000; i++) {
System.out.println(Thread.currentThread().getName()+"准备生产元素");
bq.put("hahaha");
System.out.println(Thread.currentThread().getName()+"生产完成");
}
}catch(Exception e) {
e.printStackTrace();
}
}
}
/*
- let’s do it
*/
package com.fatiaoyu;
import java.util.concurrent.BlockingQueue;
public class Consumer extends Thread {
private BlockingQueue bq;
public Consumer(BlockingQueue bq) {
this.bq = bq;
}
public void run() {
try {
for(int i = 0;i<1000;i++) {
System.out.println(Thread.currentThread().getName()+“准备消费元素”);
bq.take();
System.out.println(Thread.currentThread().getName()+“消费完成”);
}
}catch(Exception e){
e.printStackTrace();
}
}
}
/*
- do it
*/
package com.fatiaoyu;
import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;
public class Fatiaoyu_Test {
public static void main(String[] args) {
BlockingQueue bq = new ArrayBlockingQueue(1);
Producer p1 = new Producer(bq);
Producer p2 = new Producer(bq);
Producer p3 = new Producer(bq);
p1.setName("生产者1");
p2.setName("生产者2");
p3.setName("生产者3");
Consumer c = new Consumer(bq);
c.setName("消费者");
p1.start();
p2.start();
p3.start();
c.start();
}
}
打印结果:

该博客演示了如何使用Java的BlockingQueue实现生产者消费者模型。Producer类作为生产者,将元素hahaha放入队列,Consumer类作为消费者从队列中取出并消费元素。在Fatiaoyu_Test类中创建了多个生产者线程和一个消费者线程进行交互。示例展示了并发控制和队列操作的基本用法。
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