BaseLike的博客

一、定义注解 package com.maoyan.luzelong.annotation; import java.lang.annotation.*; /** * @Author: luzelong * @Date: Created in 2021/9/13 */ @Documented @Target(value = {ElementType.FIELD}) @Retention(RetentionPolicy.RUNTIME) public @interface MyValidate {.

package com.maoyan.luzelong.MathLogic; import java.util.HashMap; import java.util.Map; import java.util.Scanner; public class Transform { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); String in = .