return true;
return new Boolean(true);
	public boolean run(String username, Integer examId)		throws FenixServiceException {					try {			ISuportePersistente sp = SuportePersistenteOJB.getInstance();			IPersistentStudent persistentStudent = sp.getIPersistentStudent();			IStudent student = persistentStudent.readByUsername(username);			IPersistentExam persistentExam = sp.getIPersistentExam();			IExam exam = new Exam();			exam.setIdInternal(examId);			exam = (IExam) persistentExam.readByOId(exam);						if (student!=null){				student.getExamsEnrolled().remove(exam);							}								} catch (ExcepcaoPersistencia e) {			throw new FenixServiceException(e);		}		return true;	}