java programming 2.a) Write an abstract class Student describing (students) (2 properties and 1 method)! (Be carefull when defining the method!) 2.b) Extend the Student class into three new classes...

java programming

2.a) Write an abstract class Student describing (students) (2 properties and 1 method)! (Be carefull when defining the method!)

2.b) Extend the Student class into three new classes that can be directly instantiated: UndergraduateStudend, PostgraduateStudent, FailedStudent (each should have one additional property)!

2.c) Use all appropriate classes in a special School class!