1 import java.net.PasswordAuthentication;
 2 import java.util.Scanner;
 3 
 4 public class Encryption {
 5     public static void main(String[] args) {
 6         System.out.println("enter a character or an encurpted character");
 7         Scanner input=new Scanner(System.in);
 8         String accept=input.nextLine();//获取用户输入字符
 9         char []array=accept.toCharArray();//获取字符转换为字符数组
10         for(int i=0;i<array.length;i++){
11             array[i]=(char)(array[i]^20000);//进行亦或处理
12         }
13         System.out.println("Encrypt or decrypt of the results are as follows");
14         System.out.println(new String(array));//输出密匙
15     }
16 }