| ConcurrentNavigableMap<K,V> | ConcurrentNavigableMap. descendingMap() | このマップ内に保持されているマッピングの逆順のビューを返します。 | 
| ConcurrentNavigableMap<K,V> | ConcurrentNavigableMap. headMap(K toKey) |  | 
| ConcurrentNavigableMap<K,V> | ConcurrentNavigableMap. headMap(K toKey, boolean inclusive) |  | 
| ConcurrentNavigableMap<K,V> | ConcurrentSkipListMap. headMap(K toKey) |  | 
| ConcurrentNavigableMap<K,V> | ConcurrentSkipListMap. headMap(K toKey, boolean inclusive) |  | 
| ConcurrentNavigableMap<K,V> | ConcurrentNavigableMap. subMap(K fromKey, boolean fromInclusive, K toKey, boolean toInclusive) |  | 
| ConcurrentNavigableMap<K,V> | ConcurrentNavigableMap. subMap(K fromKey, K toKey) |  | 
| ConcurrentNavigableMap<K,V> | ConcurrentSkipListMap. subMap(K fromKey, boolean fromInclusive, K toKey, boolean toInclusive) |  | 
| ConcurrentNavigableMap<K,V> | ConcurrentSkipListMap. subMap(K fromKey, K toKey) |  | 
| ConcurrentNavigableMap<K,V> | ConcurrentNavigableMap. tailMap(K fromKey) |  | 
| ConcurrentNavigableMap<K,V> | ConcurrentNavigableMap. tailMap(K fromKey, boolean inclusive) |  | 
| ConcurrentNavigableMap<K,V> | ConcurrentSkipListMap. tailMap(K fromKey) |  | 
| ConcurrentNavigableMap<K,V> | ConcurrentSkipListMap. tailMap(K fromKey, boolean inclusive) |  |