Armstrong.java

package com.mpstme;

import java.util.Scanner;
import java.lang.Math;
public class Armstrong {
        static boolean isArmstrong(int n)
        {
            int temp, digits=0, last=0, sum=0;
            temp=n;
            while(temp>0)
            {
                temp = temp/10;
                digits++;
            }
            temp = n;
            while(temp>0)
            {
                last = temp % 10;
                sum +=  (Math.pow(last, digits));
                temp = temp/10;
            }
            if(n==sum)
                return true;
            else return false;
        }
        public static void  main(String args[])
        {
            int num;
            Scanner sc= new Scanner(System.in);
            System.out.print("Enter the number: ");
            num=sc.nextInt();
            if(isArmstrong(num))
            {
                System.out.print("Armstrong ");
            }
            else
            {
                System.out.print("Not Armstrong ");
            }
        }

}