This code snippet calculates the factorial of a number up to 20. Because of the large numbers it can't go higher then 20, 21 factorial is: 51.090.942.171.709.440.000. There are two methods in this code, one for calculating it with recursion and one non-recursive. ? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 public class Factorial { public static void main(String[] args) { System.out.println(factorialRecursion( 20 )); System.out.println(factorial( 20 )); } public static long factorialRecursion( long l) { if (l < 2 ) return 1 ; else ...