Solve: Dog Is Older

Created By: Geoffrey Challen

/ Version: 2021.3.0

Create a class Dog that stores a single private Double age set by the primary constructor. (Reject negative ages using assert.) Dog should also provide a companion object with a single method named isOlder. isOlder should accept two Dog instances and return true if the first is older than the second, and false otherwise.

So here is how Dog should work: