采用公用电话传递数据，数据是四位的整数，在传递过程中要加密

package cskaoyan;
 
public class cskaoyan48 {
 
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        java.util.Scanner in = new java.util.Scanner(System.in);
        int number = 0;
        System.out.print("请输入四位数字：");
        number = in.nextInt();
        encode(number);
        in.close();
    }
 
    private static void encode(int number) {
        int[] result = new int[4];
        int temp = 0;
 
        result[0] = number / 1000;
        result[1] = number % 1000 / 100;
        result[2] = number % 100 / 10;
        result[3] = number % 10;
 
        for (int i = 0; i < 4; i++) {
            result[i] += 5;
            result[i] %= 10;
        }
 
        temp = result[0];
        result[0] = result[3];
        result[3] = temp;
 
        temp = result[1];
        result[1] = result[2];
        result[2] = temp;
 
        System.out.print("加密后的数字：");
 
        for (int i = 0; i < 4; i++) {
            System.out.print(result[i]);
        }
    }
}