public static void printNodes(String title, Collection<? extends SceneGraphNode> l) {
System.out.println(title + " -----------------------------");
for (SceneGraphNode g : l) {
System.out.println(g.getName());
}
System.out.println("----------------------------------------");
}
public static <T extends SceneGraphNode> void printNameMap(HashMap<T, String> map) {
System.out.println("Names ----------------------------------");
for (SceneGraphNode c : map.keySet()) {
System.out.println(c.getName() + " -> " + map.get(c));
}
System.out.println("----------------------------------------");
}