Package | Description |
---|---|
java.util |
Contains the collections framework, legacy collection classes, event model,
date and time facilities, internationalization, and miscellaneous utility
classes (a string tokenizer, a random-number generator, and a bit array).
|
java.util.concurrent |
Utility classes commonly useful in concurrent programming.
|
Modifier and Type | Class and Description |
---|---|
class |
TreeSet<E>
A
NavigableSet implementation based on a TreeMap . |
Modifier and Type | Method and Description |
---|---|
static <E> NavigableSet<E> |
Collections.checkedNavigableSet(NavigableSet<E> s,
Class<E> type)
Returns a dynamically typesafe view of the specified navigable set.
|
NavigableSet<K> |
NavigableMap.descendingKeySet()
Returns a reverse order
NavigableSet view of the keys contained in this map. |
NavigableSet<K> |
TreeMap.descendingKeySet() |
NavigableSet<E> |
NavigableSet.descendingSet()
Returns a reverse order view of the elements contained in this set.
|
NavigableSet<E> |
TreeSet.descendingSet() |
static <E> NavigableSet<E> |
Collections.emptyNavigableSet()
Returns an empty navigable set (immutable).
|
NavigableSet<E> |
NavigableSet.headSet(E toElement,
boolean inclusive)
Returns a view of the portion of this set whose elements are less than
(or equal to, if
inclusive is true) toElement . |
NavigableSet<E> |
TreeSet.headSet(E toElement,
boolean inclusive) |
NavigableSet<K> |
NavigableMap.navigableKeySet()
Returns a
NavigableSet view of the keys contained in this map. |
NavigableSet<K> |
TreeMap.navigableKeySet() |
NavigableSet<E> |
NavigableSet.subSet(E fromElement,
boolean fromInclusive,
E toElement,
boolean toInclusive)
Returns a view of the portion of this set whose elements range from
fromElement to toElement . |
NavigableSet<E> |
TreeSet.subSet(E fromElement,
boolean fromInclusive,
E toElement,
boolean toInclusive) |
static <T> NavigableSet<T> |
Collections.synchronizedNavigableSet(NavigableSet<T> s)
Returns a synchronized (thread-safe) navigable set backed by the
specified navigable set.
|
NavigableSet<E> |
NavigableSet.tailSet(E fromElement,
boolean inclusive)
Returns a view of the portion of this set whose elements are greater
than (or equal to, if
inclusive is true) fromElement . |
NavigableSet<E> |
TreeSet.tailSet(E fromElement,
boolean inclusive) |
static <T> NavigableSet<T> |
Collections.unmodifiableNavigableSet(NavigableSet<T> s)
Returns an unmodifiable view of the specified navigable set.
|
Modifier and Type | Method and Description |
---|---|
static <E> NavigableSet<E> |
Collections.checkedNavigableSet(NavigableSet<E> s,
Class<E> type)
Returns a dynamically typesafe view of the specified navigable set.
|
static <T> NavigableSet<T> |
Collections.synchronizedNavigableSet(NavigableSet<T> s)
Returns a synchronized (thread-safe) navigable set backed by the
specified navigable set.
|
static <T> NavigableSet<T> |
Collections.unmodifiableNavigableSet(NavigableSet<T> s)
Returns an unmodifiable view of the specified navigable set.
|
Modifier and Type | Class and Description |
---|---|
class |
ConcurrentSkipListSet<E>
A scalable concurrent
NavigableSet implementation based on
a ConcurrentSkipListMap . |
Modifier and Type | Method and Description |
---|---|
NavigableSet<K> |
ConcurrentSkipListMap.descendingKeySet() |
NavigableSet<K> |
ConcurrentNavigableMap.descendingKeySet()
Returns a reverse order
NavigableSet view of the keys contained in this map. |
NavigableSet<E> |
ConcurrentSkipListSet.descendingSet()
Returns a reverse order view of the elements contained in this set.
|
NavigableSet<E> |
ConcurrentSkipListSet.headSet(E toElement) |
NavigableSet<E> |
ConcurrentSkipListSet.headSet(E toElement,
boolean inclusive) |
NavigableSet<K> |
ConcurrentSkipListMap.keySet()
Returns a
NavigableSet view of the keys contained in this map. |
NavigableSet<K> |
ConcurrentNavigableMap.keySet()
Returns a
NavigableSet view of the keys contained in this map. |
NavigableSet<K> |
ConcurrentSkipListMap.navigableKeySet() |
NavigableSet<K> |
ConcurrentNavigableMap.navigableKeySet()
Returns a
NavigableSet view of the keys contained in this map. |
NavigableSet<E> |
ConcurrentSkipListSet.subSet(E fromElement,
boolean fromInclusive,
E toElement,
boolean toInclusive) |
NavigableSet<E> |
ConcurrentSkipListSet.subSet(E fromElement,
E toElement) |
NavigableSet<E> |
ConcurrentSkipListSet.tailSet(E fromElement) |
NavigableSet<E> |
ConcurrentSkipListSet.tailSet(E fromElement,
boolean inclusive) |
Submit a bug or feature
For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
Copyright © 1993, 2017, Oracle and/or its affiliates. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.