load data to JTable

package nguyenvanquan7826.database;

import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.border.EmptyBorder;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import javax.swing.table.DefaultTableModel;

public class MyFrame extends JFrame {

    private JTable table;
    MyConnect myConnect = new MyConnect();

    public MyFrame() {
        // add main panel to JFrame
        add(createMainPanel());

        // connect database
        myConnect.connect();

        // set dipslay
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        pack();
        setLocationRelativeTo(null);
        setVisible(true);
    }

    // create main panel
    private JPanel createMainPanel() {
        JPanel panel = new JPanel(new BorderLayout());
        panel.add(createTitlePanel(), BorderLayout.PAGE_START);
        panel.add(createTablePanel(), BorderLayout.CENTER);
        panel.add(createButtonPanel(), BorderLayout.PAGE_END);
        return panel;
    }

    // create title panel
    private JPanel createTitlePanel() {
        JPanel panel = new JPanel();
        JLabel lbTitle = new JLabel("Connect Database");
        panel.add(lbTitle);
        return panel;
    }

    // create table panel
    private JPanel createTablePanel() {
        JPanel panel = new JPanel();
        panel.add(new JScrollPane(table = createTabel()));
        return panel;
    }

    // create button panel
    private JPanel createButtonPanel() {
        JPanel panel = new JPanel(new GridLayout(1, 3, 5, 5));
        panel.setBorder(new EmptyBorder(5, 50, 10, 50));
        panel.add(createButton("Add"));
        panel.add(createButton("Update"));
        panel.add(createButton("Delete"));
        return panel;
    }

    // create a table
    private JTable createTabel() {
        JTable table = new JTable();
        return table;
    }

    // create a button
    private JButton createButton(String text) {
        JButton btn = new JButton(text);
        return btn;
    }

    private void loadData() {
        // create table model
        DefaultTableModel model = new DefaultTableModel();

        // get data from database
        ResultSet rs = myConnect.getData();
        try {

            // load column name
            ResultSetMetaData rsMD = rs.getMetaData();
            int colNumber = rsMD.getColumnCount();
            String[] arr = new String[colNumber];
            for (int i = 0; i < colNumber; i++) {
                arr[i] = rsMD.getColumnName(i + 1);
            }

            model.setColumnIdentifiers(arr);

            // load data from database to table
            while (rs.next()) {
                for (int i = 0; i < colNumber; i++) {
                    arr[i] = rs.getString(i + 1);
                }
                model.addRow(arr);
            }

        } catch (SQLException e) {
        }
        table.setModel(model);
    }

    public static void main(String[] args) {
        MyFrame myFrame = new MyFrame();
        myFrame.loadData();
    }
}