Create a Person class with private instance variables for the person's name and birth date. Add appropriate accessor methods for these variables. Then create a subclass College Graduate with private instance variables for the student's GPA and year of graduation and appropriate accessors for these variables. Don't forget to include appropriate constructors for your classes. Then create a class with a main() method that demonstrates your classes.

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class Person private String name private String birthDate public PersonString name Stri... View the full answer