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  • 自定义一种字符串的加密与解密

    package com.hanqi.lianxi;
    package com.hanqi.lianxi;
    
    import java.util.Scanner;
    
    public class jiamiqi
    {
    
        public static void main(String[] args)
        {
            //输入解密前的内容
        Scanner sc = new Scanner(System.in);
        System.out.println("请输入需要解码的信件内容");
        String tex = sc.nextLine();
            //用替换的方式实现解密
        System.out.print("解密后的内容为:"+tex.replaceAll("A", "c").replaceAll("B", "d").replaceAll("C", "e").replaceAll("D", "f").replaceAll("E", "g").replaceAll("F", "h").replaceAll("G", "i").replaceAll("H", "j").replaceAll("I", "k").replaceAll("J", "l").replaceAll("K", "m").replaceAll("L", "n").replaceAll("M", "o").replaceAll("N", "p").replaceAll("O", "q").replaceAll("P", "r").replaceAll("Q", "s").replaceAll("R", "t").replaceAll("S", "u").replaceAll("T", "v").replaceAll("U", "w").replaceAll("V", "x").replaceAll("W", "y").replaceAll("X", "z").replaceAll("Y", "a").replaceAll("Z", "b"));    
        }
    
    }

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  • 原文地址:https://www.cnblogs.com/HRZJ/p/5871459.html
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