Section Class

package edu.missouriwestern.cpozo.csc254.sqlwork;


import java.util.Objects;

public class Section implements Comparable<Section> {
    String discipline;
    String number;
    String crn;
    String title;
    String instructor;
    Integer maxEnrollment;
    Integer seatsAvailable;

    //Constructors
    public Section(String crn, String discipline, String number, String title, String instructor, Integer maxEnrollment, Integer seatsAvailable){
        setCrn(crn);
        setDiscipline(discipline);
        setNumber(number);
        setTitle(title);
        setInstructor(instructor);
        setMaxEnrollment(maxEnrollment);
        setSeatsAvailable(seatsAvailable);
    }
    public Section(String courseID, String crn, String title, String instructor, Integer maxEnrollment, Integer seatsAvailable){
       splitCourseId(courseID);
        setCrn(crn);
        setTitle(title);
        setInstructor(instructor);
        setMaxEnrollment(maxEnrollment);
        setSeatsAvailable(seatsAvailable);

    }
    private void splitCourseId(String courseId) {
        if (courseId.length() >= 6) {
            this.discipline = courseId.substring(0, 3);
            this.number = courseId.substring(3, 6);
        }
    }

    public boolean isOpen(){
        boolean open=seatsAvailable>0?true:false;
        return open;
    }

    public int compareTo(Section other) {
        if (other !=null) {
            String courseID = getCourseID();
            String othercourseID = other.getCourseID();

            int result = 0;
            result = courseID.compareTo(othercourseID);
            if (result == 0)
                result = this.crn.compareTo(other.crn);
            return result;
        }
        return 1;
    }

    public String toString() {


        String classStatus=isOpen() == true ? "Open" : "Full";


        String Result = String.format("%s %s%s (%s) \"%s\" %o enrolled (Max:%o) Instructor: %s ",classStatus,discipline, number, crn, title, seatsAvailable, maxEnrollment, instructor);



        return Result;
    }

    //Setters

    public void setDiscipline(String discipline) {
        this.discipline = discipline.toUpperCase();
    }

    public void setNumber(String number) {
        this.number = number;
    }

    public void setCrn(String crn) {
        this.crn = crn;
    }

    public void setTitle(String title) {
        this.title = title;
    }

    public void setInstructor(String instructor) {
        this.instructor = instructor;
    }

    public void setMaxEnrollment(Integer maxEnrollment) {
        this.maxEnrollment = maxEnrollment;
    }

    public void setSeatsAvailable(Integer seatsAvailable) {
        this.seatsAvailable = seatsAvailable;
    }

    //Getters
    public String getDiscipline() {
        return discipline;
    }

    public String getNumber() {
        return number;
    }

    public String getCrn() {
        return crn;
    }

    public String getTitle() {
        return title;
    }

    public String getInstructor() {
        return instructor;
    }

    public Integer getMaxEnrollment() {
        return maxEnrollment;
    }

    public Integer getSeatsAvailable() {
        return seatsAvailable;
    }
    public String getCourseID(){

        return discipline+number;
    }
    public Integer getEnrolled(){
        return maxEnrollment-seatsAvailable;
    }
}