模拟龟兔赛跑
线程1

package test;/*** 模拟龟兔赛跑* @author Administrator**/
class Rab extends Thread{public void run() {for (int i = 0; i < 100; i++) {System.out.println("兔子跑了"+i+"步");}}	
}class array1 extends Thread{public void run() {for (int i = 0; i < 100; i++) {i++;System.out.println("乌龟跑了"+i+"步");}}}主类
package test;public class Rabbit {public static void main(String[] args) {array1 rab=new array1();Rab tor=new Rab();rab.start();tor.start();}}![运行后的图片](https://img-blog.csdnimg.cn/20190324222453428.png)