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  • GUC-13 生产者和消费者案例-旧

    /*
     * 生产者和消费者案例
     */
    public class TestProductorAndConsumer {
    
        public static void main(String[] args) {
            Clerk clerk = new Clerk();
            
            Productor pro = new Productor(clerk);
            Consumer cus = new Consumer(clerk);
            
            new Thread(pro, "生产者 A").start();
            new Thread(cus, "消费者 B").start();
            
            new Thread(pro, "生产者 C").start();
            new Thread(cus, "消费者 D").start();
        }
        
    }
    
    /*//店员
    class Clerk{
        private int product = 0;
        
        //进货
        public synchronized void get(){//循环次数:0
            while(product >= 1){//为了避免虚假唤醒问题,应该总是使用在循环中
                System.out.println("产品已满!");
                
                try {
                    this.wait();
                } catch (InterruptedException e) {
                }
                
            }
            
            System.out.println(Thread.currentThread().getName() + " : " + ++product);
            this.notifyAll();
        }
        
        //卖货
        public synchronized void sale(){//product = 0; 循环次数:0
            while(product <= 0){
                System.out.println("缺货!");
                
                try {
                    this.wait();
                } catch (InterruptedException e) {
                }
            }
            
            System.out.println(Thread.currentThread().getName() + " : " + --product);
            this.notifyAll();
        }
    }
    
    //生产者
    class Productor implements Runnable{
        private Clerk clerk;
    
        public Productor(Clerk clerk) {
            this.clerk = clerk;
        }
    
        @Override
        public void run() {
            for (int i = 0; i < 20; i++) {
                try {
                    Thread.sleep(200);
                } catch (InterruptedException e) {
                }
                
                clerk.get();
            }
        }
    }
    
    //消费者
    class Consumer implements Runnable{
        private Clerk clerk;
    
        public Consumer(Clerk clerk) {
            this.clerk = clerk;
        }
    
        @Override
        public void run() {
            for (int i = 0; i < 20; i++) {
                clerk.sale();
            }
        }
    }*/
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  • 原文地址:https://www.cnblogs.com/surge/p/10476337.html
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