@Transactional(readOnly = true)
 public List<UserQuizAnswer> findAll() {
   return userQuizAnswerDao.findAll();
 }
 public boolean delete(UserQuizAnswer userQuizAnswer) {
   return userQuizAnswerDao.delete(userQuizAnswer);
 }
 @Transactional(readOnly = true)
 public UserQuizAnswer read(Long id) {
   return userQuizAnswerDao.read(id);
 }
 public boolean update(UserQuizAnswer userQuizAnswer) {
   return userQuizAnswerDao.update(userQuizAnswer);
 }
 public Long create(UserQuizAnswer userQuizAnswer) {
   return userQuizAnswerDao.create(userQuizAnswer);
 }