多线程练习2_龟兔赛跑

案例：龟兔赛跑

package com.hao.Demo01;

//模拟龟兔赛跑
public class Race implements Runnable {

    //定义一个胜利者
    private String winner;

    @Override
    public void run() {
        for (int i = 0; i <= 100; i++) {

            //模拟兔子休息
//            if (Thread.currentThread().getName().equals("兔子") && i%10==0){
//                try {
//                    Thread.sleep(10);
//                } catch (InterruptedException e) {
//                    e.printStackTrace();
//                }
//            }

            //判断比赛是否结束
            boolean flag = gameOver(i);
            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 step) {
        if (winner != null) {
            return true;
        }{
            if (step >= 100) {
                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();
    }
}