c.abstractions = MapHandler.create_map(); c.categories = MapHandler.create_map(); c.positions = MapHandler.create_map(); c.items = MapHandler.create_map();
c.abstractions = MapHandler.create_map_container(); c.categories = MapHandler.create_map_container(); c.positions = MapHandler.create_map_container(); c.items = MapHandler.create_map_container();
    static ItemContainer create_item_container() {        ItemContainer c = new ItemContainer();        if (c != null) {            c.abstractions = MapHandler.create_map();            c.categories = MapHandler.create_map();            c.positions = MapHandler.create_map();            c.items = MapHandler.create_map();        } else {            java.lang.System.out.println("ERROR: Could not create item container. The item container is null.");        }        return c;    }