Name | Signature and Synopsis |
---|---|
comparator | Object comparator ( Object map ) Returns the comparator used to order the keys in this map, or null if this map uses the Comparable natural ordering of its keys. |
firstKey | Object firstKey ( Object map ) Returns the first (lowest) key currently in this map. |
headMap | Object headMap ( Object map, Object toKey ) Returns a view of the portion of this map whose keys are strictly less than toKey. |
lastKey | Object lastKey (Object map ) Returns the last (highest) key currently in this map. |
subMap | Object subMap ( Object map, Object fromKey ,Object toKey ) Returns a view of the portion of this map whose keys range from fromKey, inclusive, to toKey, exclusive. (If fromKey and toKey are equal, the returned map is empty.) |
tailMap | Object tailMap ( Object map, Object fromKey ) Returns a view of the portion of this map whose keys are greater than or equal to fromKey. |