public class Int2IntMaps extends Object
Maps
,
Collections
Modifier and Type | Class and Description |
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static class |
Int2IntMaps.EmptyMap
An immutable class representing an empty type-specific map.
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static class |
Int2IntMaps.Singleton
An immutable class representing a type-specific singleton map.
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static class |
Int2IntMaps.SynchronizedMap
A synchronized wrapper class for maps.
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static class |
Int2IntMaps.UnmodifiableMap
An unmodifiable wrapper class for maps.
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Modifier and Type | Field and Description |
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static Int2IntMaps.EmptyMap |
EMPTY_MAP
An empty type-specific map (immutable).
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Modifier and Type | Method and Description |
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static Int2IntMap |
singleton(Integer key,
Integer value)
Returns a type-specific immutable map containing only the specified pair.
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static Int2IntMap |
singleton(int key,
int value)
Returns a type-specific immutable map containing only the specified pair.
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static Int2IntMap |
synchronize(Int2IntMap m)
Returns a synchronized type-specific map backed by the given type-specific map.
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static Int2IntMap |
synchronize(Int2IntMap m,
Object sync)
Returns a synchronized type-specific map backed by the given type-specific map, using an assigned object to synchronize.
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static Int2IntMap |
unmodifiable(Int2IntMap m)
Returns an unmodifiable type-specific map backed by the given type-specific map.
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public static final Int2IntMaps.EmptyMap EMPTY_MAP
public static Int2IntMap singleton(int key, int value)
Note that albeit the returned map is immutable, its default return value may be changed.
key
- the only key of the returned map.value
- the only value of the returned map.<key,value>
.public static Int2IntMap singleton(Integer key, Integer value)
Note that albeit the returned map is immutable, its default return value may be changed.
key
- the only key of the returned map.value
- the only value of the returned map.<key,value>
.public static Int2IntMap synchronize(Int2IntMap m)
m
- the map to be wrapped in a synchronized map.Collections.synchronizedMap(Map)
public static Int2IntMap synchronize(Int2IntMap m, Object sync)
m
- the map to be wrapped in a synchronized map.sync
- an object that will be used to synchronize the access to the map.Collections.synchronizedMap(Map)
public static Int2IntMap unmodifiable(Int2IntMap m)
m
- the map to be wrapped in an unmodifiable map.Collections.unmodifiableMap(Map)