a) Create an abstract class Student. The class contains fields for student Id number, name, and…

a) Create an abstract class Student. The class contains fields
for student Id number, name, and tuition. Includes a constructor
that requires parameters for the ID number and name. Include get
and set method for each field; setTuition() method is
abstract.

b) The Student class should throw an exception named
InvalidNameException when it receives an invalid student name
(student name is invalid if it contains digits).

c) Create three student subclasses named UndergradStudent,
GradeStudent, and StudentAtLarge, each with a unique setTuition()
method and a field CGPA. Create one or more constructors for each
class. Tuition for an UnderGraduateStudent is $4000 per semester,
tuition for an GraduateStudent is $6000 per semester, and tutition
for a StudentAtLarge is $2000 per semester.

d) The UndergradStudent, GradeStudent, and StudentAtLarge classes
should throw an exception names InvalidCGPAException when it
receives an invalid cgpa, a valid cgpa is between 0 and 4.

e) Write an application named Driver that creates objects of each
subclass and demonstrate how the methods work.

2

For example creating an object of UndergradStudent

UndergradStudent ugStud= new UndergradStudent(111,
“Lambert1”,3.4);

would raise an exception Student name is invalid

UndergradStudent ugStud= new UndergradStudent (111,
“Lambert”,4.4);

would raise an exception Student name cgpa is invalid

UndergradStudent ugStud= new UndergradStudent (111,
“Lambert”,3.4);

The output would be

Student Id 111 name Lambert CGPA 3.4 Tuition is 4000.0.

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