Find Out The Given Number Is Armstrong Number Or Not.

import java.util.*;

public class ArmstrongNumber {

    public static void main(String[] args){

        Scanner sc = new Scanner(System.in);

        System.out.print("Input The Number: ");

        int n = sc.nextInt();

        int goal = n,p = n;

        double b = 0,sum = 0;

        while(p>0){

            p = p/10;

            b++;

        }

        while(n>0){

            int tem = n%10;

            sum = sum + Math.pow(tem,b);

            n = n/10;

        }

        if(goal == sum){

            System.out.println("\nThe Number Is Armstrong Number\n");

        }

        else{

            System.out.println("\nThe Number Is Not Armstrong Number\n");

        }

    }

}

The output of the program: