用阻塞队列(BlockingQueue)实现读写（生产者消费者）线程

package concurrent;

import java.util.Scanner;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.LinkedBlockingQueue;

/**
* @author: kimt
* @Version: 1.0
* @date: 2017年11月12日 下午8:48:32
* @modify:
* @Description:生产者和消费者之BlockingQueue(阻塞队列)
*/
public class ProducerAndComsumer {

public static void main(String[] args) {
BlockingQueue<String> bQueue = new LinkedBlockingQueue<>();
// 创建cached线程池
ExecutorService service = Executors.newFixedThreadPool(2);
// 创建两个任务线程实例
WriteThread producer = new WriteThread(bQueue);
ReadThread consumer = new ReadThread(bQueue);
// 执行线程
//先执行消费者线程，阻塞队列没有数据，则进入阻塞状态
service.execute(consumer);
service.execute(producer);
}

}

/**
*
* 模拟生产者(写)线程
*
*/
class WriteThread implements Runnable {
private BlockingQueue<String> bq;
private boolean isRunning = false;

public WriteThread(BlockingQueue<String> bq) {
this.bq = bq;
}

@Override
public void run() {
isRunning = true;
Scanner sr = null;
while (isRunning) {
System.out.println(Thread.currentThread()+"请输入数据:");
// 从键盘接收数据
sr = new Scanner(System.in);
StringBuffer sb = new StringBuffer();
try {
//模拟生产每次写入一行数据
if (sr.hasNextLine()) {
sb.append(sr.nextLine());
}
// 将数据写入阻塞队列中
bq.put(sb.toString());
} catch (InterruptedException e) {
shutdown();
e.printStackTrace();
}
}
}

public void shutdown() {
isRunning = false;
}

}

/**
*
* 模拟消费者(读)线程
*
*/
class ReadThread implements Runnable {
private BlockingQueue<String> bq;
private boolean isRunning = false;

public ReadThread(BlockingQueue<String> bq) {
this.bq = bq;
}

@Override
public void run() {
isRunning = true;
while (isRunning) {
try {
// 将数据从阻塞队列取出，并且输出到控制台
String result = bq.take();
System.out.println(Thread.currentThread()+"已取得数据:" + result);
} catch (InterruptedException e) {
shutdown();
e.printStackTrace();
}
}
}

public void shutdown() {
isRunning = false;
}

}