public void start(Stage stage) {
BorderPane root = new BorderPane();
root.setStyle("-fx-font: 22px \"Verdana\";");

root.setTop(setTopElements());
root.setCenter(setCenterElements());
root.setBottom(setBottomElements());
}private Button setTopElements() {
return new Button("Top");
}


private TabPane setCenterElements() {
return new Buttom("Center");
}



private Button setBottomElements() {
return new Buttom("Bottom");
}