JavaFX 2.0: GridPane

package javafx_layoutpanes;

import javafx.application.Application;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.layout.GridPane;
import javafx.scene.paint.Color;
import javafx.scene.text.Text;
import javafx.stage.Stage;

/**
 *
 * @web http://java-buddy.blogspot.com/
 */
public class JavaFX_LayoutPanes extends Application {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        launch(args);
    }
    
    @Override
    public void start(Stage primaryStage) {
        primaryStage.setTitle("java-buddy.blogspot.com:");
        Group root = new Group();
        
        double width = 400;
        double height = 300;
        
        Scene scene = new Scene(root, width, height, Color.WHITE);

        GridPane gridPane = new GridPane();

        gridPane.add(new Text("0, 0"), 0, 0);
        gridPane.add(new Button("0, 1"), 0, 1);
        gridPane.add(new Text("1, 1"), 1, 1);
        gridPane.add(new Button("1, 2"), 1, 2);
        gridPane.add(new Button("1, 3"), 1, 3);
        gridPane.add(new Button("2,3"), 2, 3);
        gridPane.add(new Button("4, 0"), 4, 0);
        gridPane.add(new Text("4, 2"), 4, 2);
        
        root.getChildren().add(gridPane);
        primaryStage.setScene(scene);
        primaryStage.show();
    }
}