Java

//Armstrong Number in Java

import java.util.Scanner;

public class App {
    // Write a program to check whether the given 3 digit number is armstrong or not
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);

        System.out.print("Enter 3 Digit Number : ");
        int number = in.nextInt();// 123

        int temp = number;// 123
        int digit1, digit2, digit3;

        digit3 = temp % 10;// 3
        temp = temp / 10;// 12

        digit2 = temp % 10;// 2
        temp = temp / 10;// 1

        digit1 = temp % 10;// 1
        int result = (digit1 * digit1 * digit1) + (digit2 * digit2 * digit2) + (digit3 * digit3 * digit3);

        if (number == result) {
            System.out.println(number + " is armstrong Number");
        } else {
            System.out.println(number + " is not an armstrong Number");
        }
    }
}