Question: Include the appropriate import statements for HashMap, ArrayList and HashSet. In the class AirRoutes add a field routes, which is a HashMap. Each key of

Include the appropriate import statements for HashMap, ArrayList and HashSet.

In the class AirRoutes add a field routes, which is a HashMap. Each key of the map will be an Integer representing a bus number, and each value an ArrayList of String objects representing names of places the bus stops on its route. Make this field public, for testing purposes.

Add a second private field reader of type InputReader.

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