Return an Exception

Geoffrey Challen // 2020.11.0

Create method exceptionable accepting a single Int as a parameter. You should require that the int is between 0 and 3, inclusive.

If the Int is 0, you should return an IllegalStateException. If it's 1, you should return a NullPointerException. If it's 2, you should return a ArithmeticException. And if it's 3, you should return a IllegalArgumentException.