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lteration 1: Identifiable Object In iteration 1 you will create an ldentifiable Object which will become the base class for many of the objects in the Swin-Adventure. Identifiable objects have a list of identifiers, and know if they are identified by a certain identifier. The UML diagram for the ldentifiable Object follows, and the unit tests to create are shown on the following page Identifiable Object identifiers: List +AreYou(string id): bool +Firstld: string> +Addldentifier (string id) The player needs to be able to "identify" a number of things in the game. This includes com- mands the user will perform, items they will interact with, locations, paths, etc. The Identifiable Object role was created to encapsulate this functionality. Identifiable Object The constructor adds identifiers to the Identifiable Object from the passed in array. Are You checks if the passed in identifier is in the_identifiers . First ld returns the first identifier from_identifiers (or an empty string) . Add Identifier converts the identifier to lower case and stores it in_identifiers