using [java] javafx.application::Application
using [java] javafx.stage::Stage
using [java] javafx.scene::Scene
using [java] javafx.scene.layout::HBox
using [java] javafx.scene.control::Label
 
class Hello : Application {
    Void main(Str[] args) {
        Application.launch(Hello#->toClass, args)
    }
 
    override Void start(Stage? stage) {
        hbox := HBox()
        scene := Scene(hbox, 640.0f, 480.0f)
        label := Label("Hello, JavaFX World!")
        hbox.getChildren().add( label  )
 
        stage.setScene(scene)
        stage.setTitle("Hello, World")
        stage.show()
    }
}