JavaFX: How The Button Is Created

This entry is part 4 of 55 in the series JavaFX

We look back at the same default example and see how the button is created and displayed in the scene of the interface.

There are basically 3 sequence of actions involved.

1. We first set up the button by putting the text “Click Me” inside the button.

btn.setText("Click Me");

2. We put the button inside a Stackpane by using Stackpane’s getChildren() and add() methods.


3.  We display the button in the scene.


This really shows why many of us took a long time to master Java Swing or Microsoft Foundation Class.  It is easy to be overwhelmed by these sequence of procedures that we need to set up just to display a button!

Take note that in the program below, I have made a slight modification to display a different button text when it is clicked.

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package javafxapplication5;

import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.layout.StackPane;
import javafx.stage.Stage;

 * @author daryl
public class JavaFXApplication5 extends Application {

    public void start(Stage primaryStage) {
        Button btn = new Button();
        btn.setText("Click Me");
        btn.setOnAction(new EventHandler<ActionEvent>() {

            public void handle(ActionEvent event) {

        StackPane root = new StackPane();

        Scene scene = new Scene(root, 300, 250);

        primaryStage.setTitle("Hello World!");

     * @param args the command line arguments
    public static void main(String[] args) {



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JavaFX: Common classes >>