多线程练习3

有三个车库,模拟多个用户停车、离开的效果

package com.bonc;


import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;

public class ThreadTest {

    class CarStore{
        private BlockingQueue<Integer> bp;
        public CarStore(BlockingQueue bq){
            this.bp=bq;
        }

        public synchronized void carIn(){
            for (int i = 1; i <= 3; i++) {
                try {
                    if (!bp.contains(i)){
                        notifyAll();
                        bp.put(i);
                        Thread.currentThread().sleep(500);
                        System.out.println(Thread.currentThread().getName()+"入库"+i);
                    }
                }catch (Exception e){
                    e.printStackTrace();
                }
            }
        }

        public synchronized void carOut(){
            try {
                Thread.currentThread().sleep(100);
                if (!bp.isEmpty()){
                    System.out.println(Thread.currentThread().getName()+"出库"+bp.peek());
                }
                notifyAll();
                bp.take();
            }catch (Exception e){
                e.printStackTrace();
            }
        }
    }

    class CarStoreIn extends Thread{
        private CarStore cs;
        public CarStoreIn(CarStore cs){
            this.cs=cs;
        }
        public void run() {
            for (int i = 0; i < 100000; i++) {
                cs.carIn();
            }
        }
    }

    class CarStoreOut extends Thread{
        private CarStore cs;
        public CarStoreOut(CarStore cs){
            this.cs=cs;
        }
        public void run() {
            while (true){
                cs.carOut();
            }
        }
    }

    public static void main(String[] args) {
        ThreadTest threadTest = new ThreadTest();
        BlockingQueue<Integer> queue = new ArrayBlockingQueue<Integer>(3);
        CarStore carStore = threadTest.new CarStore(queue);
        threadTest.new CarStoreIn(carStore).start();
        threadTest.new CarStoreIn(carStore).start();
        threadTest.new CarStoreIn(carStore).start();
        threadTest.new CarStoreOut(carStore).start();
        threadTest.new CarStoreOut(carStore).start();
    }

}
运行结果:

 

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