Reviewanswer.java

public Reviewanswer getAnswer(int questionId) {
        String sql = "select * from answers where questionid=:questionId";
        Map<String, Object>  params = new HashMap<>();
        Reviewanswer answer = new Reviewanswer();
        params.put("questionId",questionId);
        try {
            answer = namedParameterJdbcTemplate.queryForObject(sql,params,Reviewanswer.class);
        }catch (DataAccessException ex){
            Logger.getLogger(this.getClass().getName()).log(Level.ALL,ex.getLocalizedMessage());
        }
        return answer;
    }