How do I make a class called Army that is a subclass of Squad, so that it inherits all of the features for managing a list of units. In addition, for each of the attributes below, I need to:

1. Declare a field with the given name and type.
2. Define a getter method (accessor) for the field.
3. Define a setter method (mutator) for the field.

Attribute	Type	Description
playerName	string	The name of the player who owns/runs/plays this army.
faction	string	The faction (or species, or planet, or city, etc.) where this army originates.

The Army class must provide a constructor that takes three string parameters representing the army's name, faction, and player name, in that order.