@Override
public void start(Stage stage) throws Exception {
Locale.setDefault(Locale.ENGLISH);
BorderPane pane = new BorderPane();
Leaf l0 = new Leaf("Leaf_00");
Leaf l1 = new Leaf("Leaf_01");
Leaf l2 = new Leaf("Leaf_02");
Leaf l3 = new Leaf("Leaf_03");
Leaf l4 = new Leaf("Leaf_04");
Leaf l5 = new Leaf("Leaf_05");
Leaf l6 = new Leaf("Leaf_06");
Leaf l7 = new Leaf("Leaf_07");
Leaf l8 = new Leaf("Leaf_08");
HComposite hc1 = new HComposite();
HComposite hc2 = new HComposite();
HComposite hc3 = new HComposite();
HComposite hc4 = new HComposite();
HComposite hc5 = new HComposite();