Day 69 Armstrong Number

public class LearnCoding2
{
    public static void main(String[] args)
    {
        Scanner sc = new Scanner(System.in);
        System.out.print("Enter lower and upper ranges : ");
        int low = sc.nextInt();
        int high = sc.nextInt();

        System.out.println("Armstrong numbers between "+ low + " and " + high + " are : ");

        // loop for finding and printing all armstrong numbers between given range
        for(int num = low ; num <= high ; num++)
        {
            int len = getOrder(num);

            if(num == getArmstrongSum(num, len))
                System.out.print(num + " ");
        }

    }

    private static int getOrder(int num) {
            int len = 0;
            while (num!=0)
            {
                len++;
                num = num/10;
            }
            return len;
    }
    private static int getArmstrongSum(int num, int order) {
        if(num == 0)
            return 0;

        int digit = num % 10;

        return (int) Math.pow(digit, order) + getArmstrongSum(num/10, order);
    }
}