import javafx.application.Application;
import javafx.stage.Stage;
import javafx.scene.Scene;
import javafx.scene.layout.HBox;
import javafx.scene.control.Label;

public class Hello extends Application {
    public static void main(String[] args) {
        Application.launch(Hello.class, args);
    }

    @Override
    public void start(Stage stage) {
        HBox hbox = new HBox();
        Scene scene = new Scene(hbox, 640, 480);
        hbox.getChildren().add( new Label("Hello, JavaFX World!") );

        stage.setScene(scene);
        stage.setTitle("Hello, World");
        stage.show();
    }
}