Add to userdb

public static User LoginU(String emailAddress)
    {

        try {
            Class.forName("com.mysql.jdbc.Driver");

            // get a connection
            String dbURL = "jdbc:mysql://localhost:3306/twitterdb";
            String username = "root";
            String password = "sesame";

            Connection connection = DriverManager.getConnection(dbURL, username, password);

        PreparedStatement ps = null;
        ResultSet rs = null;

        String query = "SELECT * FROM User "
                + "WHERE username = ?";

            ps = connection.prepareStatement(query);
            ps.setString(1, emailAddress);
            rs = ps.executeQuery();

            User user = null;
            if(rs.next())
            {
                user = new User();
                user.setFullName(rs.getString("fullname"));
                user.setUserName(rs.getString("username"));
                user.setEmail(rs.getString("emailAddress"));
                user.setPassword(rs.getString("password"));
                user.setBirthdate(rs.getString("bitrhdate"));
                user.setQuestionNo(rs.getString("questionNo"));
                user.setAnswer(rs.getString("answer"));
            }
            return user;
        } catch (SQLException e) {
            System.out.println(e);
            return null;
        } catch (ClassNotFoundException ex) {
            Logger.getLogger(UserDB.class.getName()).log(Level.SEVERE, null, ex);
        }
        return null;
    }