java 生产者消费者 多线程_java多线程之生产者消费者

package com.mybatis.mybatisplus.thread;/*

* @author allen

* @version v1.0

*/

import java.util.concurrent.locks.Condition;

import java.util.concurrent.locks.Lock;

import java.util.concurrent.locks.ReentrantLock;

public class ThreadWait {

public static void main(String[] args) {

SumThread sumThread=new SumThread();

new Thread(()->{

for (int i = 0; i <10 ; i++) {

try {

sumThread.add();

} catch (InterruptedException e) {

e.printStackTrace();

}

}

}).start();

new Thread(()->{

for (int i = 0; i <10 ; i++) {

try {

sumThread.reduce();

} catch (InterruptedException e) {

e.printStackTrace();

}

}

}).start();

}

}

class SumThread{

Lock lock=new ReentrantLock();

Condition condition = lock.newCondition();

private int count=0;

public void add() throws InterruptedException {

lock.lock();

try{

while (count==1){

condition.await();

}

count++;

condition.signalAll();

System.out.println(count);

}

finally {

lock.unlock();

}

}

public synchronized void reduce() throws InterruptedException {

lock.lock();

try{

while (count==0){

condition.await();

}

count--;

condition.signalAll();

System.out.println(count);

}

finally {

lock.unlock();

}

}

}