Rainfall Program solution

Write a RainFall program that stores the total rainfall for each of 12 months into an array of doubles.

The program should have methods that return the following:

* The total rainfall for the year

* The average monthly rainfall

* The number of the month with the most rain (not the amount)

* The number of the month with the least rain (not the amount)

Demonstrate program. Input Validation should not allow negative numbers.