speiger.src.collections.ints.maps.impl.immutable

Class ImmutableInt2ObjectOpenHashMap<V>

java.lang.Object

java.util.AbstractMap<java.lang.Integer,V>

speiger.src.collections.ints.maps.abstracts.AbstractInt2ObjectMap<V>

speiger.src.collections.ints.maps.impl.immutable.ImmutableInt2ObjectOpenHashMap<V>

Type Parameters:

V - the type of elements maintained by this Collection

All Implemented Interfaces:

java.util.function.IntFunction<V>, java.util.Map<java.lang.Integer,V>, Int2ObjectFunction<V>, Int2ObjectMap<V>, Int2ObjectOrderedMap<V>

public class ImmutableInt2ObjectOpenHashMap<V>
extends AbstractInt2ObjectMap<V>
implements Int2ObjectOrderedMap<V>

A Type Specific Custom implementation of the HashMap Instead of using Wrapper Object Arrays for storing keys and values there is dedicated arrays for storing keys and values. Extra to that there is a couple quality of life functions provided

Nested Class Summary

Nested classes/interfaces inherited from class speiger.src.collections.ints.maps.abstracts.AbstractInt2ObjectMap

AbstractInt2ObjectMap.BasicEntry<V>

Nested classes/interfaces inherited from class java.util.AbstractMap

java.util.AbstractMap.SimpleEntry<K,V>, java.util.AbstractMap.SimpleImmutableEntry<K,V>

Nested classes/interfaces inherited from interface speiger.src.collections.ints.maps.interfaces.Int2ObjectOrderedMap

Int2ObjectOrderedMap.FastOrderedSet<V>

Nested classes/interfaces inherited from interface speiger.src.collections.ints.maps.interfaces.Int2ObjectMap

Int2ObjectMap.BuilderCache<V>, Int2ObjectMap.Entry<V>, Int2ObjectMap.FastEntrySet<V>, Int2ObjectMap.MapBuilder

Constructor Summary

Constructors

Constructor and Description
ImmutableInt2ObjectOpenHashMap(int[] keys, V[] values) Helper constructor that allow to create a map from unboxed values
ImmutableInt2ObjectOpenHashMap(int[] keys, V[] values, float loadFactor) Helper constructor that allow to create a map from unboxed values
ImmutableInt2ObjectOpenHashMap(Int2ObjectMap<V> map) A Type Specific Helper function that allows to create a new Map with exactly the same values as the provided map.
ImmutableInt2ObjectOpenHashMap(Int2ObjectMap<V> map, float loadFactor) A Type Specific Helper function that allows to create a new Map with exactly the same values as the provided map.
ImmutableInt2ObjectOpenHashMap(java.lang.Integer[] keys, V[] values) Helper constructor that allow to create a map from boxed values (it will unbox them)
ImmutableInt2ObjectOpenHashMap(java.lang.Integer[] keys, V[] values, float loadFactor) Helper constructor that allow to create a map from boxed values (it will unbox them)
ImmutableInt2ObjectOpenHashMap(java.util.Map<? extends java.lang.Integer,? extends V> map) A Helper constructor that allows to create a Map with exactly the same values as the provided map.
ImmutableInt2ObjectOpenHashMap(java.util.Map<? extends java.lang.Integer,? extends V> map, float loadFactor) A Helper constructor that allows to create a Map with exactly the same values as the provided map.

Method Summary

Modifier and Type	Method and Description
void	clear()
V	compute(int key, IntObjectUnaryOperator<V> mappingFunction) A Type Specific compute method to reduce boxing/unboxing
V	computeIfAbsent(int key, Int2ObjectFunction<V> mappingFunction) A Type Specific compute method to reduce boxing/unboxing
V	computeIfPresent(int key, IntObjectUnaryOperator<V> mappingFunction) A Type Specific compute method to reduce boxing/unboxing
boolean	containsKey(int key) Type Specific method to reduce boxing/unboxing of values
boolean	containsKey(java.lang.Object key) Deprecated.
boolean	containsValue(java.lang.Object value)
ImmutableInt2ObjectOpenHashMap<V>	copy() A Function that does a shallow clone of the Map itself.
int	firstIntKey() A method to get the first Key of a Map.
V	firstValue() A method to get the first Value of a Map.
void	forEach(IntObjectConsumer<V> action) Type Specific forEach method to reduce boxing/unboxing
V	get(int key) A Type Specific get method to reduce boxing/unboxing
V	get(java.lang.Object key)
V	getAndMoveToFirst(int key) A Specific get method that allows to move teh given key/value int the first index.
V	getAndMoveToLast(int key) A Specific get method that allows to move teh given key/value int the last index.
V	getOrDefault(int key, V defaultValue) A Type Specific getOrDefault method to reduce boxing/unboxing
ObjectOrderedSet<Int2ObjectMap.Entry<V>>	int2ObjectEntrySet() Type Sensitive EntrySet to reduce boxing/unboxing and optionally Temp Object Allocation.
IntOrderedSet	keySet()
int	lastIntKey() A method to get the last Key of a Map.
V	lastValue() A method to get the last Value of a Map.
V	merge(int key, V value, ObjectObjectUnaryOperator<V,V> mappingFunction) A Type Specific merge method to reduce boxing/unboxing
void	mergeAll(Int2ObjectMap<V> m, ObjectObjectUnaryOperator<V,V> mappingFunction) A Bulk method for merging Maps.
boolean	moveToFirst(int key) A specific move method to move a given key/value to the first index.
boolean	moveToLast(int key) A specific move method to move a given key/value to the last index.
int	pollFirstIntKey() A method to get and remove the first Key of a Map.
int	pollLastIntKey() A method to get and remove the last Key of a Map.
V	put(int key, V value) Type Specific method to reduce boxing/unboxing of values
V	putAndMoveToFirst(int key, V value) A customized put method that allows you to insert into the first index.
V	putAndMoveToLast(int key, V value) A customized put method that allows you to insert into the last index.
V	putIfAbsent(int key, V value) Type Specific method to reduce boxing/unboxing of values
V	remove(int key) Type Specific remove function to reduce boxing/unboxing
boolean	remove(int key, V value) Type Specific remove function to reduce boxing/unboxing
V	remove(java.lang.Object key) Deprecated.
boolean	remove(java.lang.Object key, java.lang.Object value)
V	removeOrDefault(int key, V defaultValue) Type-Specific Remove function with a default return value if wanted.
V	replace(int key, V value) A Type Specific replace method to reduce boxing/unboxing replace an existing value
boolean	replace(int key, V oldValue, V newValue) A Type Specific replace method to replace an existing value
int	size()
V	supplyIfAbsent(int key, ObjectSupplier<V> valueProvider) A Supplier based computeIfAbsent function to fill the most used usecase of this function
ObjectCollection<V>	values()

Methods inherited from class speiger.src.collections.ints.maps.abstracts.AbstractInt2ObjectMap

entrySet, equals, getDefaultReturnValue, getOrDefault, hashCode, put, putAll, putAll, putAll, putAll, putAllIfAbsent, replaceObjects, replaceObjects, setDefaultReturnValue

Methods inherited from class java.util.AbstractMap

isEmpty, toString

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface speiger.src.collections.ints.maps.interfaces.Int2ObjectOrderedMap

synchronize, synchronize, unmodifiable

Methods inherited from interface speiger.src.collections.ints.maps.interfaces.Int2ObjectMap

builder, compute, computeIfAbsent, computeIfPresent, entrySet, forEach, getDefaultReturnValue, getOrDefault, merge, put, putAll, putAll, putAll, putAll, putAll, putAllIfAbsent, putIfAbsent, replace, replace, replaceAll, replaceObjects, replaceObjects, setDefaultReturnValue

Methods inherited from interface java.util.Map

equals, hashCode, isEmpty, putAll

Methods inherited from interface speiger.src.collections.ints.functions.function.Int2ObjectFunction

apply

Constructor Detail

ImmutableInt2ObjectOpenHashMap

public ImmutableInt2ObjectOpenHashMap(java.lang.Integer[] keys,
                                      V[] values)

Helper constructor that allow to create a map from boxed values (it will unbox them)

Parameters:

keys - the keys that should be put into the map

values - the values that should be put into the map.

Throws:

java.lang.IllegalStateException - if the keys and values do not match in lenght

ImmutableInt2ObjectOpenHashMap

public ImmutableInt2ObjectOpenHashMap(java.lang.Integer[] keys,
                                      V[] values,
                                      float loadFactor)

Helper constructor that allow to create a map from boxed values (it will unbox them)

Parameters:

keys - the keys that should be put into the map

values - the values that should be put into the map.

loadFactor - the percentage of how full the backing array can be before they resize

Throws:

java.lang.IllegalStateException - if the keys and values do not match in lenght

java.lang.IllegalStateException - if the loadfactor is either below/equal to 0 or above/equal to 1

ImmutableInt2ObjectOpenHashMap

public ImmutableInt2ObjectOpenHashMap(int[] keys,
                                      V[] values)

Helper constructor that allow to create a map from unboxed values

Parameters:

keys - the keys that should be put into the map

values - the values that should be put into the map.

Throws:

java.lang.IllegalStateException - if the keys and values do not match in lenght

ImmutableInt2ObjectOpenHashMap

public ImmutableInt2ObjectOpenHashMap(int[] keys,
                                      V[] values,
                                      float loadFactor)

Helper constructor that allow to create a map from unboxed values

Parameters:

keys - the keys that should be put into the map

values - the values that should be put into the map.

loadFactor - the percentage of how full the backing array can be before they resize

Throws:

java.lang.IllegalStateException - if the keys and values do not match in lenght

java.lang.IllegalStateException - if the loadfactor is either below/equal to 0 or above/equal to 1

ImmutableInt2ObjectOpenHashMap

public ImmutableInt2ObjectOpenHashMap(java.util.Map<? extends java.lang.Integer,? extends V> map)

A Helper constructor that allows to create a Map with exactly the same values as the provided map.

Parameters:

map - the values that should be present in the map

ImmutableInt2ObjectOpenHashMap

public ImmutableInt2ObjectOpenHashMap(java.util.Map<? extends java.lang.Integer,? extends V> map,
                                      float loadFactor)

A Helper constructor that allows to create a Map with exactly the same values as the provided map.

Parameters:

map - the values that should be present in the map

loadFactor - the percentage of how full the backing array can be before they resize

Throws:

java.lang.IllegalStateException - if the loadfactor is either below/equal to 0 or above/equal to 1

ImmutableInt2ObjectOpenHashMap

public ImmutableInt2ObjectOpenHashMap(Int2ObjectMap<V> map)

A Type Specific Helper function that allows to create a new Map with exactly the same values as the provided map.

Parameters:

map - the values that should be present in the map

ImmutableInt2ObjectOpenHashMap

public ImmutableInt2ObjectOpenHashMap(Int2ObjectMap<V> map,
                                      float loadFactor)

A Type Specific Helper function that allows to create a new Map with exactly the same values as the provided map.

Parameters:

map - the values that should be present in the map

loadFactor - the percentage of how full the backing array can be before they resize

Throws:

java.lang.IllegalStateException - if the loadfactor is either below/equal to 0 or above/equal to 1

Method Detail

put

public V put(int key,
             V value)

Description copied from interface: Int2ObjectMap

Type Specific method to reduce boxing/unboxing of values

Specified by:

put in interface Int2ObjectMap<V>

Parameters:

key - the key that should be inserted,

value - the value that should be inserted

Returns:

the last present value or default return value.

See Also:

Map.put(Object, Object)

putIfAbsent

public V putIfAbsent(int key,
                     V value)

Description copied from interface: Int2ObjectMap

Type Specific method to reduce boxing/unboxing of values

Specified by:

putIfAbsent in interface Int2ObjectMap<V>

Parameters:

key - the key that should be inserted,

value - the value that should be inserted

Returns:

the last present value or default return value.

See Also:

Map.putIfAbsent(Object, Object)

putAndMoveToFirst

public V putAndMoveToFirst(int key,
                           V value)

Description copied from interface: Int2ObjectOrderedMap

A customized put method that allows you to insert into the first index.

Specified by:

putAndMoveToFirst in interface Int2ObjectOrderedMap<V>

Parameters:

key - the key that should be inserted

value - the value that should be inserted

Returns:

the previous present or default return value

See Also:

Map.put(Object, Object)

putAndMoveToLast

public V putAndMoveToLast(int key,
                          V value)

Description copied from interface: Int2ObjectOrderedMap

A customized put method that allows you to insert into the last index. (This may be nessesary depending on the implementation)

Specified by:

putAndMoveToLast in interface Int2ObjectOrderedMap<V>

Parameters:

key - the key that should be inserted

value - the value that should be inserted

Returns:

the previous present or default return value

See Also:

Map.put(Object, Object)

moveToFirst

public boolean moveToFirst(int key)

Description copied from interface: Int2ObjectOrderedMap

A specific move method to move a given key/value to the first index.

Specified by:

moveToFirst in interface Int2ObjectOrderedMap<V>

Parameters:

key - that should be moved to the first index

Returns:

true if the value was moved.

moveToLast

public boolean moveToLast(int key)

Description copied from interface: Int2ObjectOrderedMap

A specific move method to move a given key/value to the last index.

Specified by:

moveToLast in interface Int2ObjectOrderedMap<V>

Parameters:

key - that should be moved to the first last

Returns:

true if the value was moved.

getAndMoveToFirst

public V getAndMoveToFirst(int key)

Description copied from interface: Int2ObjectOrderedMap

A Specific get method that allows to move teh given key/value int the first index.

Specified by:

getAndMoveToFirst in interface Int2ObjectOrderedMap<V>

Parameters:

key - that is searched for

Returns:

the given value for the requested key or default return value

getAndMoveToLast

public V getAndMoveToLast(int key)

Description copied from interface: Int2ObjectOrderedMap

A Specific get method that allows to move teh given key/value int the last index.

Specified by:

getAndMoveToLast in interface Int2ObjectOrderedMap<V>

Parameters:

key - that is searched for

Returns:

the given value for the requested key or default return value

containsKey

public boolean containsKey(int key)

Description copied from interface: Int2ObjectMap

Type Specific method to reduce boxing/unboxing of values

Specified by:

containsKey in interface Int2ObjectMap<V>

Overrides:

containsKey in class AbstractInt2ObjectMap<V>

Parameters:

key - element that is searched for

Returns:

if the key is present

containsKey

@Deprecated
public boolean containsKey(java.lang.Object key)

Deprecated.

Specified by:

containsKey in interface java.util.Map<java.lang.Integer,V>

Specified by:

containsKey in interface Int2ObjectMap<V>

Overrides:

containsKey in class java.util.AbstractMap<java.lang.Integer,V>

Parameters:

key - that is searched for.

Returns:

true if found

See Also:

Map.containsKey(Object)

containsValue

public boolean containsValue(java.lang.Object value)

Specified by:

containsValue in interface java.util.Map<java.lang.Integer,V>

Overrides:

containsValue in class AbstractInt2ObjectMap<V>

remove

public V remove(int key)

Description copied from interface: Int2ObjectMap

Type Specific remove function to reduce boxing/unboxing

Specified by:

remove in interface Int2ObjectMap<V>

Parameters:

key - the element that should be removed

Returns:

the value that was removed or default return value

removeOrDefault

public V removeOrDefault(int key,
                         V defaultValue)

Description copied from interface: Int2ObjectMap

Type-Specific Remove function with a default return value if wanted.

Specified by:

removeOrDefault in interface Int2ObjectMap<V>

Parameters:

key - the element that should be removed

defaultValue - the value that should be returned if the entry doesn't exist

Returns:

the value that was removed or default value

See Also:

Map.remove(Object, Object)

remove

@Deprecated
public V remove(java.lang.Object key)

Deprecated.

Specified by:

remove in interface java.util.Map<java.lang.Integer,V>

Specified by:

remove in interface Int2ObjectMap<V>

Overrides:

remove in class AbstractInt2ObjectMap<V>

Parameters:

key - the element that should be removed

Returns:

the value that was removed or default return value

See Also:

Map.remove(Object)

remove

public boolean remove(int key,
                      V value)

Description copied from interface: Int2ObjectMap

Type Specific remove function to reduce boxing/unboxing

Specified by:

remove in interface Int2ObjectMap<V>

Parameters:

key - the element that should be removed

value - the expected value that should be found

Returns:

true if the key and value was found and removed

See Also:

Map.remove(Object, Object)

remove

public boolean remove(java.lang.Object key,
                      java.lang.Object value)

Specified by:

remove in interface java.util.Map<java.lang.Integer,V>

Specified by:

remove in interface Int2ObjectMap<V>

Parameters:

key - the element that should be removed

value - the expected value that should be found

Returns:

true if the key and value was found and removed

See Also:

Map.remove(Object, Object)

get

public V get(int key)

Description copied from interface: Int2ObjectMap

A Type Specific get method to reduce boxing/unboxing

Specified by:

get in interface Int2ObjectFunction<V>

Specified by:

get in interface Int2ObjectMap<V>

Parameters:

key - the key that is searched for

Returns:

the searched value or default return value

get

public V get(java.lang.Object key)

Specified by:

get in interface java.util.Map<java.lang.Integer,V>

Specified by:

get in interface Int2ObjectMap<V>

Overrides:

get in class AbstractInt2ObjectMap<V>

getOrDefault

public V getOrDefault(int key,
                      V defaultValue)

Description copied from interface: Int2ObjectMap

A Type Specific getOrDefault method to reduce boxing/unboxing

Specified by:

getOrDefault in interface Int2ObjectMap<V>

Overrides:

getOrDefault in class AbstractInt2ObjectMap<V>

Parameters:

key - the key that is searched for

defaultValue - the value that should be returned if the key is not present

Returns:

the searched value or defaultValue value

firstIntKey

public int firstIntKey()

Description copied from interface: Int2ObjectOrderedMap

A method to get the first Key of a Map.

Specified by:

firstIntKey in interface Int2ObjectOrderedMap<V>

Returns:

the first key in the map

pollFirstIntKey

public int pollFirstIntKey()

Description copied from interface: Int2ObjectOrderedMap

A method to get and remove the first Key of a Map.

Specified by:

pollFirstIntKey in interface Int2ObjectOrderedMap<V>

Returns:

the first key in the map

lastIntKey

public int lastIntKey()

Description copied from interface: Int2ObjectOrderedMap

A method to get the last Key of a Map.

Specified by:

lastIntKey in interface Int2ObjectOrderedMap<V>

Returns:

the last key in the map

pollLastIntKey

public int pollLastIntKey()

Description copied from interface: Int2ObjectOrderedMap

A method to get and remove the last Key of a Map.

Specified by:

pollLastIntKey in interface Int2ObjectOrderedMap<V>

Returns:

the last key in the map

firstValue

public V firstValue()

Description copied from interface: Int2ObjectOrderedMap

A method to get the first Value of a Map.

Specified by:

firstValue in interface Int2ObjectOrderedMap<V>

Returns:

the first key in the map

lastValue

public V lastValue()

Description copied from interface: Int2ObjectOrderedMap

A method to get the last Value of a Map.

Specified by:

lastValue in interface Int2ObjectOrderedMap<V>

Returns:

the last key in the map

int2ObjectEntrySet

public ObjectOrderedSet<Int2ObjectMap.Entry<V>> int2ObjectEntrySet()

Description copied from interface: Int2ObjectMap

Type Sensitive EntrySet to reduce boxing/unboxing and optionally Temp Object Allocation.

Specified by:

int2ObjectEntrySet in interface Int2ObjectMap<V>

Specified by:

int2ObjectEntrySet in interface Int2ObjectOrderedMap<V>

Returns:

a EntrySet of the collection

keySet

public IntOrderedSet keySet()

Specified by:

keySet in interface java.util.Map<java.lang.Integer,V>

Specified by:

keySet in interface Int2ObjectMap<V>

Specified by:

keySet in interface Int2ObjectOrderedMap<V>

Overrides:

keySet in class AbstractInt2ObjectMap<V>

values

public ObjectCollection<V> values()

Specified by:

values in interface java.util.Map<java.lang.Integer,V>

Specified by:

values in interface Int2ObjectMap<V>

Overrides:

values in class AbstractInt2ObjectMap<V>

copy

public ImmutableInt2ObjectOpenHashMap<V> copy()

Description copied from interface: Int2ObjectMap

A Function that does a shallow clone of the Map itself. This function is more optimized then a copy constructor since the Map does not have to be unsorted/resorted. It can be compared to Cloneable but with less exception risk

Specified by:

copy in interface Int2ObjectMap<V>

Specified by:

copy in interface Int2ObjectOrderedMap<V>

Overrides:

copy in class AbstractInt2ObjectMap<V>

Returns:

a Shallow Copy of the Map

forEach

public void forEach(IntObjectConsumer<V> action)

Description copied from interface: Int2ObjectMap

Type Specific forEach method to reduce boxing/unboxing

Specified by:

forEach in interface Int2ObjectMap<V>

Overrides:

forEach in class AbstractInt2ObjectMap<V>

Parameters:

action - processor of the values that are iterator over

replace

public boolean replace(int key,
                       V oldValue,
                       V newValue)

Description copied from interface: Int2ObjectMap

A Type Specific replace method to replace an existing value

Specified by:

replace in interface Int2ObjectMap<V>

Overrides:

replace in class AbstractInt2ObjectMap<V>

Parameters:

key - the element that should be searched for

oldValue - the expected value to be replaced

newValue - the value to replace the oldValue with.

Returns:

true if the value got replaced

replace

public V replace(int key,
                 V value)

Description copied from interface: Int2ObjectMap

A Type Specific replace method to reduce boxing/unboxing replace an existing value

Specified by:

replace in interface Int2ObjectMap<V>

Overrides:

replace in class AbstractInt2ObjectMap<V>

Parameters:

key - the element that should be searched for

value - the value to replace with.

Returns:

the present value or default return value

compute

public V compute(int key,
                 IntObjectUnaryOperator<V> mappingFunction)

Description copied from interface: Int2ObjectMap

A Type Specific compute method to reduce boxing/unboxing

Specified by:

compute in interface Int2ObjectMap<V>

Overrides:

compute in class AbstractInt2ObjectMap<V>

Parameters:

key - the key that should be computed

mappingFunction - the operator that should generate the value

Returns:

the result of the computation

computeIfAbsent

public V computeIfAbsent(int key,
                         Int2ObjectFunction<V> mappingFunction)

Description copied from interface: Int2ObjectMap

A Type Specific compute method to reduce boxing/unboxing

Specified by:

computeIfAbsent in interface Int2ObjectMap<V>

Overrides:

computeIfAbsent in class AbstractInt2ObjectMap<V>

Parameters:

key - the key that should be computed

mappingFunction - the operator that should generate the value if not present

Returns:

the result of the computed value or present value

supplyIfAbsent

public V supplyIfAbsent(int key,
                        ObjectSupplier<V> valueProvider)

Description copied from interface: Int2ObjectMap

A Supplier based computeIfAbsent function to fill the most used usecase of this function

Specified by:

supplyIfAbsent in interface Int2ObjectMap<V>

Overrides:

supplyIfAbsent in class AbstractInt2ObjectMap<V>

Parameters:

key - the key that should be computed

valueProvider - the value if not present

Returns:

the result of the computed value or present value

computeIfPresent

public V computeIfPresent(int key,
                          IntObjectUnaryOperator<V> mappingFunction)

Description copied from interface: Int2ObjectMap

A Type Specific compute method to reduce boxing/unboxing

Specified by:

computeIfPresent in interface Int2ObjectMap<V>

Overrides:

computeIfPresent in class AbstractInt2ObjectMap<V>

Parameters:

key - the key that should be computed

mappingFunction - the operator that should generate the value if present

Returns:

the result of the default return value or present value

merge

public V merge(int key,
               V value,
               ObjectObjectUnaryOperator<V,V> mappingFunction)

Description copied from interface: Int2ObjectMap

A Type Specific merge method to reduce boxing/unboxing

Specified by:

merge in interface Int2ObjectMap<V>

Overrides:

merge in class AbstractInt2ObjectMap<V>

Parameters:

key - the key that should be be searched for

value - the value that should be merged with

mappingFunction - the operator that should generate the new Value

Returns:

the result of the merge

mergeAll

public void mergeAll(Int2ObjectMap<V> m,
                     ObjectObjectUnaryOperator<V,V> mappingFunction)

Description copied from interface: Int2ObjectMap

A Bulk method for merging Maps.

Specified by:

mergeAll in interface Int2ObjectMap<V>

Overrides:

mergeAll in class AbstractInt2ObjectMap<V>

Parameters:

m - the entries that should be bulk added

mappingFunction - the operator that should generate the new Value

size

public int size()

Specified by:

size in interface java.util.Map<java.lang.Integer,V>

Overrides:

size in class java.util.AbstractMap<java.lang.Integer,V>

clear

public void clear()

Specified by:

clear in interface java.util.Map<java.lang.Integer,V>

Overrides:

clear in class java.util.AbstractMap<java.lang.Integer,V>