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();//
 
獲取用戶輸入字符
 9         char []array=accept.toCharArray();//獲取字符轉換為字符數組
10         for(int i=0;i<array.length;i++){
11             array[i]=(char)(array[i]^20000);//進行亦或處理
12         }
13         System.out.println("Encrypt or decrypt of the results are as follows");
14         System.out.println(new String(array));//
 
輸出密匙
15     }
16 }

Java-簡單加密（亦或）