public void Dispose()
{
_coursesQueue.Dispose();
_degreeProgramQueue.Dispose();
_electiveCourseQueue.Dispose();
_electiveListQueue.Dispose();
_electiveListCourseQueue.Dispose();
_planQueue.Dispose();
_planCourseQueue.Dispose();
_prerequisiteCourseQueue.Dispose();
_requiredCourseQueue.Dispose();
_semesterQueue.Dispose();
}
