Method checkUpperBound

lib/java/util/TreeMap.java:436–445

(K key)

        }

        private boolean checkUpperBound(K key) {
            if (hasEnd) {
                Comparator<? super K> cmp = backingMap.comparator;
                if (cmp == null) {
                    return (toComparable(key).compareTo(endKey) < 0);
                }
                return (cmp.compare(key, endKey) < 0);
            }
            return true;
        }

        private boolean checkLowerBound(K key) {
            if (hasStart) {