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This is in Java, thanks! d Define two subclasses as below: 1) Advanced Java with an additional field called grades_in_class 2) Web Technology with an

This is in Java, thanks!

d Define two subclasses as below: 1) Advanced Java with an additional field called grades_in_class 2) Web Technology with an additional field called grades_Quizzes. Define the required constructors and getter methods in both classes.

e Override the computeGrade() in both classes as below: 1. In Advanced Java, Fgrade= 40%* avg_exams+ 40%* avg_Assignments + 20* grades_in_class 2. In Web Technology, Fgrade= 30%* avg_exams+ 50%* avg_Assignments + 20*grades_Quizzes Note: Fgrade is a local variable in the computeGrade() method.

f Override the computeLetterGrade() as below a. Advanced Java: =60 && =70 && =80 && =90 && =60 && =75 && =85 && =95 && <=100 A

g Define a class named Student with PSID, and name as instance variables.

h Define a class named StudentOneSub that extends the Student class with an object of Advanced Java as an additional instance variable. Define a method displayOS() to display Final grade , and Letter Grade.

i Define a class named StudentTwoSub that extends the Student class with an object of Advanced Java and an object of Web Technology as additional instance variables. Define a method displayTS() to display Final grade , and Letter Grade in both subjects.

j Define a DemoGrades class with a main () method, create objects for both the StudentOneSub, and StudentTwoSub to display final grades and letter grades for the corresponding objects

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