通過多執行緒 寫出龜兔賽跑
阿新 • • 發佈:2020-08-12
package com.jishu.demo01;
//模擬龜兔賽跑
public class Race implements Runnable{
private static String winner;
@Override
public void run() {
for (int i = 0; i <= 100; i++) {
//模擬兔子休息
if(Thread.currentThread().getName().equals("兔子")&& i%10==0){
try {
Thread.sleep(1000);} catch (InterruptedException e) {
e.printStackTrace();
}
}
//判斷比賽是否結束
boolean flag=gameOver(i);
//如果比賽結束,就停止程式
if(flag){
break;
}
System.out.println(Thread.currentThread().getName()+"跑了"+i+"步");}
}
public boolean gameOver(int steps) {
if (winner != null) {//已經存在勝利者了
//比賽結束
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,"烏龜").start();
new Thread(race,"兔子").start();
}
}