WS-02-intro-to-oop/src/CourseRegistrationStarter/RegistrationSystem.java

package CourseRegistrationStarter;
import java.util.ArrayList;

public class RegistrationSystem {
    private ArrayList<Course> courses;

    public RegistrationSystem() {
        courses = new ArrayList<>();
    }

    public void addCourseToSystem(Course c) {
        courses.add(c);
    }

    public Course findCourseByCode(String code) {
        for (Course a : courses)
        {
            if (a.getCourseCode().equals(code))
            {
                return a;
            }
        }
        return null;
    }
    public Course findCourseByName(String name)
    {
        for (Course a : courses)
        {
            if (a.getCourseName().equals(name))
            {
                return a;
            }
        }
        return null;
    }

    public void showAllCourses() {
        for (Course c : courses)
        {
            System.out.println(c.getCourseName() + " - " + c.getCourseCode() + " - capacity: " + c.getCapacity());
        }
    }
}