Write a method that returns an integer that is made up of the digits in 'num', but in reverse order. You may NOT use any strings, arrays, array lists, maps, or any other advanced data structures. In fact, you may ONLY use integer variables! You can do this recursively or iteratively. I can do it recursively in one line or iteratively in 5 lines (not counting the header or braces). Think div and mod! Note: When you reverse 900 you get 009, but that just gets returned as a 9.