多线程_抢票_龟兔赛跑

package com.sxt.thread;
/**
 * 共享资源,并发(线程安全)
 * 
 * @author 
 *
 */
public class Web12306 implements Runnable{
	//票数
	private int ticketNums = 99;
	
	@Override
	public void run() {
		while(true) {
			if(ticketNums<0) {
				break;
			}
			try {
				Thread.sleep(200);
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
			System.out.println(Thread.currentThread().getName()+"-->"+ticketNums--);
		}
	}
	public static void main(String[] args) {
		//一份资源
		Web12306 web =new Web12306();
		System.out.println(Thread.currentThread().getName());
		//多个代理
		new Thread(web,"码畜").start();
		new Thread(web,"码农").start();
		new Thread(web,"码蟥").start();;
	}
}


package com.sxt.Thread;
/**
 * 模拟龟兔赛跑
 * @author 
 *
 */
public class Racer implements Runnable{
	private String winner;//胜利者

	@Override
	public void run() {
		for(int steps=1;steps<=100;steps++) {
			//模拟休息
			if(Thread.currentThread().getName().equals("tuzi")&&steps%10==0) {
				try {
					Thread.sleep(200);
				} catch (InterruptedException e) {
					e.printStackTrace();
				}
			}
			System.out.println(Thread.currentThread().getName()+"-->"+steps);
			//比赛是否结束
			if(gameOver(steps)) {
				break;
			}
		}
	}
	public boolean gameOver(int steps) {
		if(winner!=null) {//存在胜利者
			return true;
		}else {
			if(steps==100) {
				winner = Thread.currentThread().getName();
				System.out.println("winner"+"-->"+winner);
				return true;
			}
		}
		return false;
	}
	public static void main(String[] args) {
		Racer racer = new Racer();
		new Thread(racer,"wugui").start();
		new Thread(racer,"tuzi").start();
	}
	
}