Armstrong Number in Java - Java Program for to Check Armstrong Number

An Armstrong number is a number that is equal to the sum of the cubes of its own digits. Armstrong number of order n if it's every digit separate out and cubed and summed up then the sum will be same as the number .i.e. 153 = 1³ + 5³ + 3³ = 1+125+27 = 153

Sample Code

import java.util.Scanner;

public class armstrong 
{
  public static void main(String[] args) 
  {
    int n, r, sum = 0, temp;
    System.out.println("Enter the  Number= ");
    Scanner sc = new Scanner(System.in);
    n = sc.nextInt();
    temp = n;
    while (n > 0) 
    {
      r = n % 10;
      sum = sum + (r * r * r);
      n = n / 10;
    }
    if (temp == sum)
      System.out.println("Armstrong Number.");
    else
      System.out.println("Not Armstrong Number.");
  }
}

Output

Enter the  Number= 371
Armstrong Number.
Enter the  Number= 333
Not Armstrong Number.

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Armstrong Number in Java - Java Program for to Check Armstrong Number