package CourseRegistrationStarter; import java.util.ArrayList; public class RegistrationSystem { private ArrayList courses; public RegistrationSystem() { courses = new ArrayList<>(); } public void addCourseToSystem(Course c) { // TODO: Add the course to the system courses.add(c); } public Course findCourseByCode(String code) { // TODO: Search for a course by course code // Return the matching course if found, otherwise return null //return null; for (Course c : courses) { if (c.getCourseCode().equals(code)) { return c; } } return null; } public void showAllCourses() { // TODO: Print all courses in the system for (Course c : courses) { System.out.println(c.getCourseName() + " (" + c.getCourseCode() + ") Capacity: " + c.getCapacity()); } } }