JavaFX Tutorial 09 - Create ToggleButton Java GUI

JavaFX Tutorial 09 Create ToggleButton Java GUI
Code Source :
@Override
public void start(Stage primaryStage) {

HBox h = new HBox();
ToggleGroup tg = new ToggleGroup();
ToggleButton btn1 = new ToggleButton("ADD");
ToggleButton btn2 = new ToggleButton("EDIT");
ToggleButton btn3 = new ToggleButton("DELETE");

Scene sc = new Scene(h,600,400);
}
Libraries importing :