Recursion - digits in reverse order

Question

I need to implement a recursive method printDigits that takes an integer num as a parameter and prints its digits in reverse order, one digit per line.

This is what

Answer 1

This is very shortest/simplest way in two lines code:

    public static int reverseNumber(int n) 
    {
        System.out.println(n % 10);
        return (n/10 > 0) ? reverseNumber(n/10) : n;
    }