Armstrong Number

import java.util.*;

  

class ArmstrongNumber

{

   public static void main(String args[])

   {

      int n, sum = 0, temp, r;

  

      Scanner in = new Scanner(System.in);

      System.out.println("Enter a number to check if it is an armstrong number");     

      n = in.nextInt();

  

      temp = n;

  

      while( temp != 0 )

      {

         r = temp%10;

         sum = sum + r*r*r;

         temp = temp/10;

      }

  

      if ( n == sum )

         System.out.println("Entered number is an armstrong number.");

      else

         System.out.println("Entered number is not an armstrong number.");        

   }

}













OUTPUT

D:FreeITProjects.org>java ArmstrongNumber
Enter a number to check if it is an armstrong number.
153
Entered number is an armstrong number