zoukankan      html  css  js  c++  java
  • java竞争抢答器

    /*实现一个竞拍抢答程序:要求设置三个抢答者(三个线程),而后同时发出抢答指令,抢答成功者显示成功提示,抢答失败者给出失败提示。*/
    package Java多线程_01;
    import java.util.concurrent.Callable;
    import java.util.concurrent.FutureTask;
    class MyThread_08 implements Callable<String>{
    	private boolean flag = false;
    	@Override
    	public String call() throws Exception{
    		synchronized(this) {
    			if(this.flag == false) {
    				this.flag = true;
    				return Thread.currentThread().getName()+"抢答成功!";
    			}else {
    				return Thread.currentThread().getName()+"抢答失败!";
    			}
    		}
    		
    	}
    }
    public class homework_03 {
    	public static void main(String[] args) throws Exception{
    		MyThread_08 mt = new MyThread_08();
    		FutureTask<String> taskA = new FutureTask<String>(mt);
    		FutureTask<String> taskB = new FutureTask<String>(mt);
    		FutureTask<String> taskC = new FutureTask<String>(mt);
    		new Thread(taskA, "竞赛者A").start();
    		new Thread(taskB, "竞赛者B").start();
    		new Thread(taskC, "竞赛者C").start();
    		System.out.println(taskA.get());
    		System.out.println(taskB.get());
    		System.out.println(taskC.get());
    	}
    }
    

      

      

  • 相关阅读:
    AI常用环境安装
    ubantu打开摄像头失败
    python 从ubantu环境迁移到windows环境
    mystar01 nodejs MVC 公共CSS,JS设置
    Golang数据类型之结构体-上篇
    Golang基准测试
    浅谈Prometheus的数据存储
    Golang单元测试
    Jenkins连接k8s的多种姿势
    Golang数据类型之指针
  • 原文地址:https://www.cnblogs.com/sunzhongyu008/p/11150423.html
Copyright © 2011-2022 走看看