// This method adds a chosen course to the existing student's schedule if there is an empty space.
// It takes in a Course object for the corresponding course and returns no value.
// It outputs an error message if there is no empty spaces left in the student's schedule.
public void addChosenCourse(Course newCourse) {
// This finds the student's current schedule size.
int scheduleSize = schedule.getCourseChosen().size();
// This checks if the course is already selected by the student.
boolean chosen = false;
for (int i = 0; i < scheduleSize && !chosen; i++) {
if (schedule.getCourseChosen().get(i).compareToCourseCode(newCourse) == 0) {
chosen = true;
}
}
// This checks the capacity of the student's schedule.
// It adds the course if the schedule has 3 or fewer courses and outputs an error message if the
// schedule has 4 courses.
if (scheduleSize < MAX_SCHEDULE && !chosen) {
schedule.getCourseChosen().add(scheduleSize, newCourse);
System.out.println("The course is add from the student's schedule.");
} else {
// This outputs an error message if the entire schedule if full.
System.out.println(
"Sorry. The student's schedule is full or the course is already in the student's time table.");
System.out.println("No new courses can be added.");
}
}
// This method deletes a chosen course from the existing student's schedule if such a course can
// be found.
// It takes in a Course object for the corresponding course and returns no value.
// It outputs an error message if there is no such course found in the student's existing
// schedule.
public void deleteChosenCourse(Course deletedCourse) {
// This initializes a boolean to be false to assume that there is such a course yet to be found
// in the student's
// existing schedule.
boolean found = false;
// This loops through the student's existing schedule to find the course.
for (int i = 0; i < schedule.getCourseChosen().size() && !found; i++) {
Course temCourse = schedule.getCourseChosen().get(i);
if (temCourse.getCourseCode() == deletedCourse.getCourseCode()) {
found = true;
// This deletes the selected course by issuing the value of the course to be null.
schedule.getCourseChosen().remove(i);
System.out.println("The course is removed from the student's schedule.");
}
}
// This outputs an error message if there is no such a course in the student's existing
// schedule.
if (!found) {
System.out.println("Sorry. The student did not select this course.");
System.out.println("No courses can be deleted.");
}
}