UniversityMember.java

import enumeration.Gender;

import java.util.ArrayList;
import java.util.List;

public abstract class UniversityMember
{
    // final for the ID because it will remain the same for the whole duration of studying or being employed
    // PK & FK
    private final int id;
    private Gender gender;
    private String firstName;
    private String lastName;
    private String placeOfResidence;
    private final String birthPlace;
    private String officialEmail;
    private String privateEmail;
    private List<Course> personalCourses = new ArrayList<>();
    private boolean isSignedUpForCourse;

    public UniversityMember(int id, Gender gender, String firstName, String lastName, String placeOfResidence, String birthPlace,
                            String officialEmail, String privateEmail, List<Course> personalCourses, boolean isSignedUpForCourse)
    {
        this.id = id;
        this.gender = gender;
        this.firstName = firstName;
        this.lastName = lastName;
        this.placeOfResidence = placeOfResidence;
        this.birthPlace = birthPlace;
        this.officialEmail = officialEmail;
        this.privateEmail = privateEmail;
        this.personalCourses = personalCourses;
        this.isSignedUpForCourse = isSignedUpForCourse;
    }

    public abstract boolean signUpForCourse(Course course);
}