java

I don't want the data ready from the code

I want the user to enter them

- For the Class Roster sample, we design three classes: - Student - UndergraduateStudent - GraduateStudent - The Student class will incorporate behavior and data common to both: - UndergraduateStudent and - GraduateStudent objects. - UndergraduateStudent class and - GraduateStudent class will each contain: - Behaviors and - Data specific to their respective objects. Inhoritanco Hiararchy