/*
 * Author: CHEN Yongyuan (Walter) 1930006025 from OOP(1007)
 * Date: 2022-04-18
 * Description: This is the MajorRequired class which is used to store the major and required courses.
 */

public class MajorRequired extends Course {
	/**
	 * Constructor.
	 *
	 * @param code         The code of the course.
	 * @param title        The title of the course.
	 * @param preRequisite The pre-requisite of the course. Type of MajorRequired
	 *                     and cannot be null.
	 */
	public MajorRequired(String code, String title, MajorRequired preRequisite) {
		super(code, title, preRequisite);
	}

	/**
	 * MajorRequired course is required for all students.
	 *
	 * @return true
	 */
	@Override
	public boolean isRequired() {
		return true;
	}

	/**
	 * Test.
	 */
	public static void testMajorRequired() {
		MajorRequired mr1 = new MajorRequired("COMP3013", "Database Management System", null);
		System.out.println(mr1.getCode() == null);
		System.out.println(mr1.getTitle() == null);
		System.out.println(mr1.getPreRequisite() == null);
		System.out.println(mr1.isRequired() == true);

		MajorRequired mr2 = new MajorRequired("COMP3013", "Database Management System", mr1);
		System.out.println(mr2.getCode() == "COMP3013");
		System.out.println(mr2.getTitle() == "Database Management System");
		System.out.println(mr2.getPreRequisite() == mr1);
		System.out.println(mr2.isRequired() == false);
	}
}