Java, please. If you can explain what is going on that would be great! Thanks

** * PROBLEM 1: Translate the following summing function from iterative to recursive. * * * You should write a helper method. You may not use any "fields" to solve * this problem (a field is a variable that is declared "outside" of the * function declaration --- either before or after). * * Precondition: a list of ints, maybe empty! * Postcondition: the sum of the positive values is returned */ public static int sumOfPositives (int[] a) { int result = 0; int i = 0; while (i 0) result = result + a[i]; i = i + 1; return result; public static int sumOfPositives Recursive (int[] a) { return -1; // TODO 1 replace this by a call to your helper function, then write the helper function below // this would be a good place to put the helper function for #1