JAVA

QUESTION 2 Harold Cohen is one of the most progressive private higher education institutions. Due to a high demand in computer science and engineering studies, the institution offers online classes to prospective students. The following diagram shows the inheritance hierarchy used in developing a course registration system for the institution. public class courseRegistration private String student ID; private String student.Name; private int studentAge; private char student Gender: private int studentType; //1.undergraduate or 2.postgraduate Iormal constructor l/accessor methods Ilmutator method l/printer method // public double calculate Fee () (...) onlineClass - programCode: String - onlineClass(String, String int, char, int, String) + getProgramCode(): String - setProgramCode(String) void calculateFeel): double toString(): String a) Based on the above diagram, perform the following tasks. 1. Identify the superclass and subclass. (2 marks) 1. Identify an additional data member for the subclass. (1 mark) iii. Which method implements method overriding. Give a reason for your answer. (2 marks)