EnumMap

Let's discuss the working of EnumMap.

We'll cover the following...

Internal workings of an EnumMap
Creating an EnumMap

Constructor taking the key type as input
Constructor taking another EnumMap as parameter
Constructor taking another Map as a parameter

The EnumMap is a special kind of Map in which the keys are only of the Enum type. Although it is possible to use the Enum type as a key in other Map ...