MIT-Curricular/OOP/Java/Lab/Week3/Armstrong.java

import java.util.Scanner;
import java.lang.Math;

class Armstrong{
    public static void main(String args[]){
        Scanner sc = new Scanner(System.in);

        int a,b,digit;
        int digisum=0;
        int c=0;

        System.out.println("Enter the number you went to check for Armstrong-ness:");
        a = sc.nextInt();
    
        b = a;

        while(b!=0){
            c++;
            b/=10;
        }

        b = a;

        while(b!=0){
            digit = b%10;
            digisum += Math.pow(digit, c);
            b /= 10;
        }

        if(digisum == a){
            System.out.println("The number is an armstrong number.");
        }else{
            System.out.println("The number is not an armstrong number.");
        }

    }
}