赛道相当于一个资源,乌龟和兔子相当于两个线程,多线程共用一个资源
package com.demo01;
public class Race implements Runnable{
private static String winner;
@Override
public void run(){
for(int i=0;i<=100;i++){
if(Thread.currentThread().getName()=="兔子" && i%20==0){
try {
Thread.sleep(10);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
boolean flag=gameOver(i);
if(flag){
break;
}
System.out.println(Thread.currentThread().getName()+"跑了"+i+"步");
}
}
private boolean gameOver(int steps){
if(winner!=null){
return true;
}{
if(steps>=100){
winner=Thread.currentThread().getName();
System.out.println("winner is"+Thread.currentThread().getName());
}
}
return false;
}
public static void main(String[] args){
Race race=new Race();
new Thread(race,"兔子").start();
new Thread(race,"乌龟").start();
}
}