package hellofx; import javafx.application.Application; import javafx.scene.Scene; import javafx.scene.control.Button; import javafx.scene.layout.StackPane; import javafx.scene.paint.Color; import javafx.scene.shape.Rectangle; import javafx.stage.Stage; public class GUI003c extends Application { @Override public void start(Stage stg1) throws Exception { Rectangle rect = new Rectangle(100, 100, 180, 140); rect.setFill(Color.BLUE); StackPane pn = new StackPane(rect, new Button("Niceee!")); Scene scn = new Scene(pn, 500, 200); stg1.setScene(scn); stg1.show(); } public static void main(String[] args) { Application.launch(args); } }