Java - Mostrar SELECT de una tabla de MySQL en un JTable

import java.sql.Connection;

import java.sql.DatabaseMetaData;

import java.sql.DriverManager;

import java.sql.ResultSet;

import java.sql.SQLException;

import java.sql.Statement;

import java.util.LinkedList;

import java.util.List;

import javafx.collections.FXCollections;

import javafx.collections.ObservableList;

public class StudentInfo {

    static String JDBC_DRIVER = "org.postgresql.Driver";

    //static String DB_URL = "jdbc:h2:file:C:/WAKILI/WAKILIdb";

    //  Database credentials

    static final String USER = "wrcobb";

    static final String PASS = "wrcobb";

    public static Connection conn = null;

    public List<KIWIDataModel> getAllstudentInfo() throws SQLException {

        Statement st = null;

        ResultSet rs;

        String driver = "org.postgresql.Driver";

        List ll = new LinkedList();

            String dbName = "wrcobb";

            String urlString = System.getProperty( "db.url", "jdbc:postgresql://localhost:5432/" +

                        dbName + "?user=wrcobb&password=wrcobb" );

            conn = DriverManager.getConnection( urlString );

            DatabaseMetaData dmd = conn.getMetaData();

        try {

            Class.forName(driver);

            //conn = DriverManager.getConnection(DB_URL, USER, PASS);

            conn = DriverManager.getConnection(urlString);

            st = conn.createStatement();

            String recordQuery = ("SELECT id, KIWI FROM KIWI");

            rs = st.executeQuery(recordQuery);

            while (rs.next()) {

                int Key = rs.getInt(1);

                ObservableList row = FXCollections.observableArrayList();

                for (int i = 1; i <= rs.getMetaData().getColumnCount(); i++) {

                    row.add(rs.getString(i));

                    System.out.println(row);

                }

                KIWIDataModel roww = new KIWIDataModel();

                roww.setFirstName(Key);

                ll.add(row);

            }

        } catch (ClassNotFoundException | SQLException ex) {

            // CATCH SOMETHING

        }

        return ll;

    }

}

mport java.awt.EventQueue;

import java.net.URL;

import java.sql.Connection;

import java.sql.DatabaseMetaData;

import java.sql.DriverManager;

import java.sql.ResultSet;

import java.util.ResourceBundle;

import javafx.event.ActionEvent;

import javafx.fxml.FXML;

import javafx.fxml.Initializable;

import javafx.scene.control.Label;

/**

 *

 * @author administrator

 */

public class FXMLDocumentController implements Initializable {

    @FXML

    private Label label;

    @FXML

    private void handleEnterButtonAction(ActionEvent event) {

        System.out.println("You clicked Enter!");

        label.setText("Welcome");

        try

        {

            String driver = "org.postgresql.Driver";

            Class.forName( driver );

            String dbName = "wrcobb";

            String urlString = System.getProperty( "db.url", "jdbc:postgresql://localhost:5432/" +

                        dbName + "?user=wrcobb&password=wrcobb" );

            Connection conn = DriverManager.getConnection( urlString );

            DatabaseMetaData dmd = conn.getMetaData();

            ResultSet trs = dmd.getTables( null, null, "%",

                    new String[]{"TABLE"} );

            int tableCount = 0;

            while (trs.next()) {

                String tableName = trs.getString( "TABLE_NAME" );

                String typeName = trs.getString( "TABLE_TYPE" );

                System.out.printf( "Found %s, type: %s\n",

                        tableName, typeName );

                tableCount++;

            }

            trs.close();

            label.setText( String.format( "There are %d tables", tableCount ) );

        }

        catch( Exception ex )

        {

            label.setText( ex.toString() );

        }

    }

    @FXML

    private void handleExitButtonAction(ActionEvent event) {

        System.out.println("You clicked Exit!");

        label.setText("Thank You!");

        EventQueue.invokeLater( new Runnable() {

            public void run()

            {

                try {

                    Thread.sleep( 1000 );

                    System.exit( 0 );

                }

                catch( Exception ex )

                {

                    ex.printStackTrace();

                }

            }

        });

    }

    @Override

    public void initialize(URL url, ResourceBundle rb) {

        // TODO

    }

}

<?xml version="1.0" encoding="UTF-8"?>

<?import java.lang.*?>

<?import java.util.*?>

<?import javafx.scene.*?>

<?import javafx.scene.control.*?>

<?import javafx.scene.layout.*?>

<AnchorPane id="AnchorPane" prefHeight="200" prefWidth="320" xmlns:fx="http://javafx.com/fxml" fx:controller="studentinfo.FXMLDocumentController">

    <children>

        <Button layoutX="126" layoutY="90" text="Click Me!" onAction="#handleButtonAction" fx:id="button" />

        <Label layoutX="126" layoutY="120" minHeight="16" minWidth="69" fx:id="label" />

    </children>

</AnchorPane>

import javafx.beans.property.SimpleIntegerProperty;

public class KIWIDataModel {

    public SimpleIntegerProperty firstName;

    public int getFirstName() {

        return firstName.get();

    }

    public void setFirstName(int fName) {

        firstName.set(fName);

    }

}