qq_42886373的博客

1、2、3、4四个数字能组成多少无重复的三位数，打印出来。 package com.dd; /** * @Package: com.dd * @ClassName: Num * @Author: 东方不败 * @CreateTime: 2020-09-23 22:06 * @Description: */ public class Num { public static void main(String[] args) { for (int i = 1; i <

package com.dd; import java.util.Scanner; /** * @Package: com.dd * @ClassName: Str * @Author: 东方不败 * @CreateTime: 2020-09-23 22:15 * @Description: */ public class Str { public static void main(String[] args) { boolean flag = true; .