1. Create a custom exception class named ZeroDetection which inherits the ArithmaticException class. The class prints "Zero is detected" when it is thrown. Add a condition in the factorial() method in Assignment 6 to throw an exception if n is 0. 2. Rewrite the following iterative method as a recursive method that returns the same string. public String listOfNumbers () { String s = ""; for (j = s += j; return s; 1; j < 10; j++) }