Task
Your task is to implement the method isLeap in the class LeapYear.
Specification
The method isLeap determines if a given year is a leap year or not.
Algorithm
A leap year is a year that is divisible by 4 except if the year is divisible by 100 then the year is not a leap year except if the year is divisible by 400 then the year is a leap year.
Support
To support you with implementing the method there are unit tests in LeapYearTest. The unit tests are disabled at the start. To use them you have to enable them.
Development Requirements
To perform this exercise you need a JDK 8 and Maven 3.3.x.