- 首先来个赛道距离,然后要离终点越来越近
- 判断比赛是否结束
- 打印出胜利者
- 龟兔赛跑开始
- 故事中是乌龟赢的,兔子需要睡觉,所以我们来模拟兔子睡觉
- 终于,乌龟赢得比赛
package com.wang.multiThread;
//模拟龟兔赛跑
public class Race implements Runnable {
//胜利者
private static String winner;
@Override
public void run() {
for (int i = 0; i <= 1000; i++) {
//模拟兔子休息
if (Thread.currentThread().getName().equals("兔子") && i%10 ==0){
try {
Thread.sleep(1);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
//判断比赛是否结束
boolean flag = gameOver(i);
//如果比赛结束了,就停止程序
if (flag) {
break;
}
System.out.println(Thread.currentThread().getName() + "-->跑了" + i + "步");
}
}
//判断是否完成比赛
private boolean gameOver(int steps) {
//判断是否有胜利者
if (winner != null) {
//已经存在胜利者了
return true;
}
{
if (steps >= 1000) {
winner = Thread.currentThread().getName();
System.out.println("winner is:" + winner);
return true;
}
}
return false;
}
public static void main(String[] args) {
Race race = new Race();
new Thread(race, "兔子").start();
new Thread(race, "乌龟").start();
}
}