龟兔赛跑

/**
 * @Desc 模拟龟兔赛跑
 * @Author HeJin
 * @Date 2021/3/10 9:16
 */
public class Race implements Runnable{

    /** 胜利者 **/
    private static 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(1);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }

            boolean flag = gameOver(i);
            // 比赛结束
            if (flag){
                break;
            }
            System.out.println(Thread.currentThread().getName() + "===>跑了" + i + "步");
        }
    }

    private boolean gameOver(int steps){
        /** 判断是否有胜利者 **/
        if (winner != null){
            return true;
        }
        if (steps >= 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();
    }

}