Interface Get<K,V>
- Type Parameters:
K- the type of the keys in this mapV- the type of the values in this map
- All Known Subinterfaces:
BidiMap<K,,V> BoundedMap<K,,V> IterableGet<K,,V> IterableMap<K,,V> IterableSortedMap<K,,V> MultiMap<K,,V> OrderedBidiMap<K,,V> OrderedMap<K,,V> SortedBidiMap<K,,V> Trie<K,V>
- All Known Implementing Classes:
AbstractBidiMapDecorator,AbstractBitwiseTrie,AbstractDualBidiMap,AbstractHashedMap,AbstractIterableGetMapDecorator,AbstractIterableMap,AbstractLinkedMap,AbstractMapDecorator,AbstractOrderedBidiMapDecorator,AbstractOrderedMapDecorator,AbstractPatriciaTrie,AbstractReferenceMap,AbstractSortedBidiMapDecorator,AbstractSortedMapDecorator,CaseInsensitiveMap,CompositeMap,DefaultedMap,DualHashBidiMap,DualLinkedHashBidiMap,DualTreeBidiMap,DualTreeBidiMap.ViewMap,FixedSizeMap,FixedSizeSortedMap,Flat3Map,HashedMap,LazyMap,LazySortedMap,LinkedMap,ListOrderedMap,LRUMap,MultiKeyMap,MultiValueMap,PassiveExpiringMap,PatriciaTrie,PredicatedMap,PredicatedSortedMap,ReferenceIdentityMap,ReferenceMap,SingletonMap,StaticBucketMap,TransformedMap,TransformedSortedMap,TransformedSplitMap,TreeBidiMap,UnmodifiableBidiMap,UnmodifiableMap,UnmodifiableOrderedBidiMap,UnmodifiableOrderedMap,UnmodifiableSortedBidiMap,UnmodifiableSortedMap,UnmodifiableTrie
public interface Get<K,V>
The "read" subset of the
Map interface.- Since:
- 4.0
- See Also:
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Method Summary
Modifier and TypeMethodDescriptionbooleancontainsKey(Object key) Tests for presence of a given key.booleancontainsValue(Object value) Tests for presence of a given value.entrySet()Gets a set view of the mappings contained in this map.Gets a value at a given key.booleanisEmpty()Tests whether this instance contains any key-value mappings.keySet()Gets a view of the keys contained in this map.Remove a key-value mappings.intsize()Gets the number of key-value mappings in this map.values()Gets a a collection view of the values contained in this map.
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Method Details
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containsKey
Tests for presence of a given key.- Parameters:
key- key whose presence in this map is to be tested- Returns:
trueif this map contains a mapping for the specified key- See Also:
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containsValue
Tests for presence of a given value.- Parameters:
value- value whose presence in this map is to be tested- Returns:
trueif this map maps one or more keys to the specified value- See Also:
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entrySet
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get
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isEmpty
boolean isEmpty()Tests whether this instance contains any key-value mappings.- Returns:
trueif this map contains no key-value mappings- See Also:
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keySet
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remove
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size
int size()Gets the number of key-value mappings in this map.- Returns:
- the number of key-value mappings in this map.
- See Also:
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values
Collection<V> values()Gets a a collection view of the values contained in this map.- Returns:
- a collection view of the values contained in this map.
- See Also:
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