Armstrong using methods in netbeans?

check this thread for java

http://java.dzone.com/articles/thursday-code-puzzler-8

Below code will check whether the given number is Armstrong or not:

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.");             }