IEnrolment enrolment = (IEnrolment) iterator.next();
IEnrollment enrolment = (IEnrollment) iterator.next();
	private void selectDesiredCurricularCourses(List enrollmentsInCurricularCourseToRemove, List curricularCoursesToRemoveFrom)	{		List curricularCoursesToRemove = new ArrayList();		Iterator iterator = enrollmentsInCurricularCourseToRemove.iterator();		while(iterator.hasNext())		{			IEnrolment enrolment = (IEnrolment) iterator.next();			if (curricularCoursesToRemoveFrom.contains(enrolment.getCurricularCourse()))			{				curricularCoursesToRemove.add(enrolment.getCurricularCourse());			}		}		curricularCoursesToRemoveFrom.removeAll(curricularCoursesToRemove);	}