Method values

src/main/java/mudmap2/backend/prquadtree/Quadtree.java:220–220

Gets the element data of each child @param set element data will be inserted in this set

(HashSet<T> set)

         * @param set element data will be inserted in this set
         */
        public void values(HashSet<T> set);

        /** checks whether the element is empty */
        public boolean isEmpty();