ArmstrongNumber

package com.javatechie.interview.programming;

public class ArmstrongNumber {
    /**
     * 153 = 1*1*1 + 5*5*5 + 3*3*3  // 153 is an Armstrong number.
     **/
    public static boolean isArmstrongNumber(int no) {
        int temp = 0;
        int sum = 0;
        int original = no;
        while (no != 0) {
            temp = no % 10;
            sum = (int) (sum + Math.pow(temp, 3));
            no = no / 10;
        }
        return sum == original ? true : false;
    }

    public static void main(String[] args) {
        System.out.println(isArmstrongNumber(371));
    }
}