Student.java

package org.university.core;

import java.util.ArrayList;

public class Student extends Person {
    ArrayList<Course>courses;
    public Student(String firstName, String lastName, String ID, int joiningYear, Department department) {
        super(firstName, lastName, ID, joiningYear, department);
      courses=new ArrayList<>();
    }

    public ArrayList<Course> getCourses() {
        return courses;
    }
    public void addCourse(Course c){
        courses.add(c);
    }
}