Method cmp

lib/java/util/TreeMap.java:1316–1319

(Comparable<K> object, K key1, K key2)

    }

    private int cmp(Comparable<K> object, K key1, K key2) {
        return object != null ?
               object.compareTo(key2) : comparator.compare(key1, key2);
    }

    /**
     * Returns a sorted map over a range of this sorted map with all keys that