ZZULIOJ 1064: 加密字符，Java

1064: 加密字符

import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
    Scanner cin = new Scanner(System.in);String s=cin.nextLine();for(int i=0;i<s.length();i++){
    char ch=s.charAt(i);if(ch=='@') break;else if(ch>='A'&&ch<='Y') ch+=33;else if(ch>='a'&&ch<='y') ch+=1;else if(ch=='z'||ch=='Z') ch='a';else ch=ch;System.out.print(ch);}}
}