Method comparator

lib/java/util/Collections.java:3531–3533

@see java.util.SortedSet#comparator()

()

         * @see java.util.SortedSet#comparator()
         */
        public Comparator<? super E> comparator() {
            return ss.comparator();
        }

        /**
         * @see java.util.SortedSet#subSet(Object, Object)