【附注释源码】java生产者消费者实现

创建两个线程，很基础的生产者消费者

package lock;

import java.util.concurrent.locks.Condition;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

/**
* @author Mr.Zhao
* @Description: 共享资源类
* @date 2019/12/26 19:26
* @version 1.0
*/
class ShareDate {
    
    
    private int number = 0;
    private Lock lock = new ReentrantLock();
    private Condition condition = lock.newCondition();
    /**
    * @author Mr.Zhao
    * @Description: 资源类加一
    * @date 2019/12/26 19:28
    * @version 1.0
    */
    public void increment(){
    
    
        lock.lock();
        try {
    
    
            while (number != 0) {
    
    
                condition.await();
            }
            number++;
            System.out.println(Thread.currentThread().getName() + "\t生产：" + number);
            condition.signalAll();
        } catch (Exception e) {
    
    
            e.printStackTrace();
        } finally {
    
    
            lock.unlock();
        }
    }
    /**
    * @author Mr.Zhao
    * @Description: 资源类减一
    * @date 2019/12/26 19:28
    * @version 1.0
    */
    public void decrement(){
    
    
        lock.lock();
        try {
    
    
            while (number == 0) {
    
    
                condition.await();
            }
            number--;
            System.out.println(Thread.currentThread().getName() + "\t消费：" + number);
            condition.signalAll();
        } catch (Exception e) {
    
    
            e.printStackTrace();
        } finally {
    
    
            lock.unlock();
        }
    }
}

/**
 * @author Mr.Zhao
 * @version 1.0
 * @Description: 传统生产者消费者模式消息队列
 * @date 2019/12/26 19:06
 */
public class ProdConsumer_TraditionDemo {
    
    

    public static void main(String[] args) {
    
    
        ShareDate shareDate = new ShareDate();
        new Thread(() -> {
    
    
            for (int i = 0; i < 5; i++) {
    
    
                shareDate.increment();
            }
        }, "厨师").start();

        new Thread(() -> {
    
    
            for (int i = 0; i < 5; i++) {
    
    
                shareDate.decrement();
            }
        }, "顾客").start();
    }
}

愿你心如花木，向阳而生