Java program to armstrong number

package com.srk.core;

import java.util.Scanner;

/**

 * @author skummitha

 *

 */

public class Armstrong {

       public static void main(String args[]) {

             int n, sum = 0, r;

             Scanner sc = new Scanner(System.in);

             System.out.println("Enter any integer");

             n = sc.nextInt();

             int n1 = n;

             while (n > 0) {

                    r = n % 10;

                    sum = sum + r * r * r;

                    n = n / 10;

             }

             if (sum == n1)

                    System.out.println("Armstrong");

             else

                    System.out.println("not Armstrong");

       }

}