题解 | #简单密码#

import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        while (in.hasNext()) { // 注意 while 处理多个 case
            String plain = in.next();
            char[] chars = plain.toCharArray();
            String encrypt = "";
            for (char c : chars) {
                if (c >= 65 && c <= 89) {
                    encrypt += (char) (c + 33) + "";
                    continue;
                }
                if (c == 90) {
                    encrypt += "a";
                    continue;
                }
                if (c >= 97 && c <= 99) {
                    encrypt += "2";
                    continue;
                }
                if (c >= 100 && c <= 102) {
                    encrypt += "3";
                    continue;
                }
                if (c >= 103 && c <= 105) {
                    encrypt += "4";
                    continue;
                }
                if (c >= 106 && c <= 108) {
                    encrypt += "5";
                    continue;
                }
                if (c >= 109 && c <= 111) {
                    encrypt += "6";
                    continue;
                }
                if (c >= 112 && c <= 115) {
                    encrypt += "7";
                    continue;
                }
                if (c >= 116 && c <= 118) {
                    encrypt += "8";
                    continue;
                }
                if (c >= 119 && c <= 122) {
                    encrypt += "9";
                    continue;
                }
                encrypt += c;
            }
            System.out.println(encrypt);
        }
    }
}