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java.lang.Objectit.unimi.dsi.fastutil.doubles.Double2IntMaps
A class providing static methods and objects that do useful things with type-specific maps.
Maps
,
Collections
Nested Class Summary | |
static class |
Double2IntMaps.EmptyMap
An immutable class representing an empty type-specific map. |
static class |
Double2IntMaps.Singleton
An immutable class representing a type-specific singleton map. |
static class |
Double2IntMaps.SynchronizedMap
A synchronized wrapper class for maps. |
Field Summary | |
static Double2IntMaps.EmptyMap |
EMPTY_MAP
An empty type-specific map (immutable). |
Method Summary | |
static Double2IntMap |
singleton(double key,
int value)
Returns a type-specific immutable map containing only the specified pair. |
static Double2IntMap |
singleton(Object key,
Object value)
Returns a type-specific immutable map containing only the specified pair. |
static Double2IntMap |
synchronize(Double2IntMap m)
Returns a synchronized type-specific map backed by the given type-specific map. |
static Double2IntMap |
synchronize(Double2IntMap m,
Object sync)
Returns a synchronized type-specific map backed by the given type-specific map, using an assigned object to synchronize. |
Methods inherited from class java.lang.Object |
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
public static final Double2IntMaps.EmptyMap EMPTY_MAP
Method Detail |
public static Double2IntMap singleton(double 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 Double2IntMap singleton(Object key, Object 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 Double2IntMap synchronize(Double2IntMap m)
m
- the map to be wrapped in a synchronized map.
Collections.synchronizedMap(Map)
public static Double2IntMap synchronize(Double2IntMap 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)
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