Add SQL Data

package jdbcTest;
import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.sql.*;

import javax.swing.*;
public class Driver extends JFrame {


    //DEFINE VARIABLES
    private static JTextField userText;
    private JTextField serverConnection;
    private JTextField userName;
    private JTextField passWord;
    private JButton btn;
    private JLabel lbl;
    private JLabel lblServer;
    private JLabel lblEnterData;
    private JLabel lblUsername;
    private JLabel lblPassword;

    public Driver(){
        super("SQL Test");
        userText = new JTextField();
        userName = new JTextField();
        passWord = new JTextField();
        serverConnection = new JTextField();

        lbl = new JLabel();
        lblServer = new JLabel();
        lblEnterData = new JLabel();
        lblUsername = new JLabel();
        lblPassword = new JLabel();


        btn = new JButton();
        btn.addActionListener(
                new ActionListener(){
                    public void actionPerformed(ActionEvent e){

                        String sqlQuery = userText.getText();
                        String realSQL = "INSERT INTO realtest "
                                + "VALUES"
                                + "("
                                + "'"
                                + sqlQuery
                                + "'"
                                + ")";
                        String serverURL = serverConnection.getText();
                        String usernameData = userName.getText();
                        String passwordData = passWord.getText();


                        try{

                            //CONNECT TO DATABASE
                            Connection myConn = DriverManager.getConnection(serverURL, usernameData, passwordData);

                            //MY SQL SERVER URL: jdbc:mysql://127.0.0.1:3306/test USER: root PASS: admin

                            //CREATE STATEMENT
                            Statement mySmt = myConn.prepareStatement(realSQL);
                            JOptionPane.showMessageDialog(null, "DATA INSERTED TO: " + serverURL);

                            //EXECUTE SQL QUERY
                            mySmt.executeUpdate(realSQL);
                        }catch (Exception exc){
                            exc.printStackTrace();
                            JOptionPane.showMessageDialog(null, exc.getMessage());
                        }
                    }
                }
            );

        //CONSTRUCTOR (why I hate java GUIs)
        setLayout(null);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        lblServer.setText("SQL SERVER URL:");
        lblServer.setBounds(12, -3, 365, 25);
        add(lblServer);

        serverConnection.setText("jdbc:mysql://");
        serverConnection.setBounds(12, 20, 365, 25);
        add(serverConnection);

        lbl.setText("Made By Ben Bollinger");
        lbl.setBounds(3, 313, 200, 100);
        add(lbl);

        pack();
        setLocation(750, 300);
        setResizable(false);

        btn.setText("INSERT DATA");
        btn.setBounds(90, 150, 200, 40);
        add(btn);

        lblEnterData.setText("DATA:");
        lblEnterData.setBounds(12, 42, 365, 25);
        add(lblEnterData);

        userText.setBounds(12, 65, 365, 25);
        add(userText);

        userName.setBounds(12, 300, 100, 25);
        add(userName);

        passWord.setBounds(282, 300, 100, 25);
        add(passWord);

        lblUsername.setText("Username:");
        lblUsername.setBounds(12, 280, 100, 25);
        add(lblUsername);

        lblPassword.setText("Password:");
        lblPassword.setBounds(282, 280, 100, 25);
        add(lblPassword);

        setSize(400,400);
        setVisible(true);
    }
    public static void main(String[] args) {
        //EXECUTE CODE
        new Driver();
    }
}