Java

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 course Registration private String studentID; private String studentName; private int studentAge; private char student Gender; private int studentType; //1.undergraduate or 2.postgraduate lormal constructor llaccessor methods //mutator method l/printer method //public double calculateFee () ...) } onlineClass - programCode : String + onlineClass(String, String, int, char, int, String) + getProgramCode(): String + setProgramCode(String): void + calculateFee(): double + toString(): String b) Write a complete class definition for onlineClass that includes the following methods: i. A normal constructor. ii. A mutator method to initialize its additional data member. iii. An accessor method. iv. An overriding printer method named toString() that displays information of online class. v. Processor method named calculateFee () that returns the price after discount. The fee is calculated based on the following table: Program Code Discount rate (%) Undergraduate Postgraduate COMP 40 30 ENG 35 25 *Basic fee for undergraduate and postgraduate are RM1600 and RM2100 respectively. (10 marks)