//Java program to check whether a number is armstrong or notimport java.util.Scanner;public class armstrong_number_or_not{ public static void main(String[] args) { //scanner class declaration Scanner sc = new Scanner(System.in); //input from user System.out.print("Enter a number : "); int number = sc.nextInt(); int n = number; int sum = 0; while(n != 0) { int pick_last = n % 10; sum = sum + (pick_last * pick_last * pick_last); n = n / 10; } //condition for checking that the sum is equal to the number or not if(sum == number) System.out.println("Armstrong Number"); else System.out.println("Not an Armstrong Number"); //closing scanner class(not compulsory, but good practice) sc.close(); }}