public class GUI1 extends Application { public void start(Stage stage) { GridPane pane = new GridPane(); Button b = new Button("lala"); Label l = new Label("lol"); pane.setRowIndex(b, 2); pane.setColumnIndex(b, 2); pane.setRowIndex(l, 1); pane.setColumnIndex(l, 1); pane.getChildren().addAll(b, l); Scene scene = new Scene(pane); stage.setScene(scene); stage.show(); } public static void main(String[] args) { launch(); } public GUI1() { super(); } }