java.lang.Object
- org.eclipse.collections.impl.primitive.AbstractCharIterable
- - org.eclipse.collections.impl.map.mutable.primitive.AbstractMutableCharValuesMap
  - - org.eclipse.collections.impl.map.mutable.primitive.CharCharHashMap

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, CharIterable, CharCharMap, CharValuesMap, MutableCharCharMap, MutableCharValuesMap, PrimitiveIterable, MutableCharKeysMap, CharKeysMap
```
public class CharCharHashMap
extends AbstractMutableCharValuesMap
implements MutableCharCharMap, java.io.Externalizable, MutableCharKeysMap
```
This file was automatically generated from template file primitivePrimitiveHashMap.stg.

Since:

3.0.

See Also:

Serialized Form

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`private class`	`CharCharHashMap.InternalCharIterator`
`private class`	`CharCharHashMap.KeySet`
`private class`	`CharCharHashMap.KeySetIterator`
`private class`	`CharCharHashMap.KeysView`
`private class`	`CharCharHashMap.KeyValuesView`
`private class`	`CharCharHashMap.ValuesCollection`

Nested classes/interfaces inherited from class org.eclipse.collections.impl.map.mutable.primitive.AbstractMutableCharValuesMap
AbstractMutableCharValuesMap.AbstractCharValuesCollection, AbstractMutableCharValuesMap.SentinelValues

Field Summary

Fields
Modifier and Type	Field	Description
`private static int`	`CACHE_LINE_SIZE`
`private boolean`	`copyKeysOnWrite`
`private static int`	`DEFAULT_INITIAL_CAPACITY`
`private static char`	`EMPTY_KEY`
`private static char`	`EMPTY_VALUE`
`private static int`	`INITIAL_LINEAR_PROBE`
`private static int`	`KEY_SIZE`
`private char[]`	`keysValues`
`private int`	`occupiedWithData`
`private int`	`occupiedWithSentinels`
`private static char`	`REMOVED_KEY`
`private AbstractMutableCharValuesMap.SentinelValues`	`sentinelValues`
`private static long`	`serialVersionUID`

Constructor Summary

Constructors
Constructor Description

CharCharHashMap()

CharCharHashMap(int initialCapacity)

CharCharHashMap(CharCharMap map)

Method Summary

All Methods Static Methods Instance Methods Concrete Methods Deprecated Methods
Modifier and Type	Method	Description
`private void`	`addKeyValueAtIndex(char key, char value, int index)`
`char`	`addToValue(char key, char toBeAdded)`	Increments and updates the value associated with the key, if a value exists, or sets the value to be the specified value if one does not.
`protected void`	`allocateTable(int sizeToAllocate)`
`boolean`	`allSatisfyKeyValue(CharCharPredicate predicate)`
`MutableCharCharMap`	`asSynchronized()`	Returns a synchronized view of this map, delegating all operations to this map but ensuring only one caller has access to the map at a time.
`MutableCharCharMap`	`asUnmodifiable()`	Returns an unmodifiable view of this map, delegating all read-only operations to this map and throwing an `UnsupportedOperationException` for all mutating operations.
`MutableCharIterator`	`charIterator()`	Returns a primitive iterator that can be used to iterate over the CharIterable in an imperative style.
`void`	`clear()`	Removes all entries from this map.
`void`	`compact()`	Deprecated. since 12.0 - Use `trimToSize()` instead
`boolean`	`containsKey(char key)`	Returns whether or not the key is present in the map.
`private void`	`copyKeys()`
`boolean`	`equals(java.lang.Object obj)`	Follows the same general contract as `Map.equals(Object)`.
`private char`	`fastGetIfAbsent(char key, char ifAbsent)`
`MutableCharCharMap`	`flipUniqueValues()`	Return the CharCharMap that is obtained by flipping the direction of this map and making the associations from value to key.
`void`	`forEachKey(CharProcedure procedure)`	Iterates through each key in the map, invoking the procedure for each.
`void`	`forEachKeyValue(CharCharProcedure procedure)`	Iterates through each key/value pair in the map, invoking the procedure for each.
`char`	`get(char key)`	Retrieves the value associated with the key.
`char`	`getAndPut(char key, char putValue, char defaultValue)`	Retrieves the value associated with the key if one exists; associates a putValue with the key.
`protected char`	`getEmptyValue()`
`private char`	`getForSentinel(char key, char ifAbsent)`
`char`	`getIfAbsent(char key, char ifAbsent)`	Retrieves the value associated with the key, returning the specified default value if no such mapping exists.
`char`	`getIfAbsentPut(char key, char value)`	Retrieves the value associated with the key if one exists; if it does not, associates a value with the key.
`char`	`getIfAbsentPut(char key, CharFunction0 function)`	Retrieves the value associated with the key if one exists; if it does not, invokes the supplier and associates the result with the key.
`<P> char`	`getIfAbsentPutWith(char key, CharFunction<? super P> function, P parameter)`	Retrieves the value associated with the key if one exists; if it does not, invokes the value function with the parameter and associates the result with the key.
`char`	`getIfAbsentPutWithKey(char key, CharToCharFunction function)`	Retrieves the value associated with the key if one exists; if it does not, associates the result of invoking the value function with the key.
`protected int`	`getOccupiedWithData()`
`char`	`getOrThrow(char key)`	Retrieves the value associated with the key, throwing an `IllegalStateException` if no such mapping exists.
`protected AbstractMutableCharValuesMap.SentinelValues`	`getSentinelValues()`
`protected int`	`getTableSize()`
`protected char`	`getValueAtIndex(int index)`
`int`	`hashCode()`	Follows the same general contract as `Map.hashCode()`.
`<V> V`	`injectInto(V injectedValue, ObjectCharToObjectFunction<? super V,? extends V> function)`
`private static boolean`	`isEmptyKey(char key)`
`private static boolean`	`isNonSentinel(char key)`
`protected boolean`	`isNonSentinelAtIndex(int index)`
`private static boolean`	`isRemovedKey(char key)`
`MutableCharSet`	`keySet()`	Returns a set containing all the keys in this map.
`LazyCharIterable`	`keysView()`	Returns a view of the keys in this map.
`RichIterable<CharCharPair>`	`keyValuesView()`	Returns a view of the key/value pairs in this map.
`private int`	`mask(int spread)`
`private int`	`maxOccupiedWithData()`
`static CharCharHashMap`	`newWithKeysValues(char key1, char value1)`
`static CharCharHashMap`	`newWithKeysValues(char key1, char value1, char key2, char value2)`
`static CharCharHashMap`	`newWithKeysValues(char key1, char value1, char key2, char value2, char key3, char value3)`
`static CharCharHashMap`	`newWithKeysValues(char key1, char value1, char key2, char value2, char key3, char value3, char key4, char value4)`
`(package private) int`	`probe(char element)`
`(package private) int`	`probeThree(char element, int removedIndex)`
`(package private) int`	`probeTwo(char element, int removedIndex)`
`void`	`put(char key, char value)`	Associates a value with the specified key.
`void`	`putAll(CharCharMap map)`	Puts all of the key/value mappings from the specified map into this map.
`private void`	`putForEmptySentinel(char value)`
`private void`	`putForRemovedSentinel(char value)`
`void`	`readExternal(java.io.ObjectInput in)`
`private void`	`rehash(int newCapacity)`
`private void`	`rehashAndGrow()`
`CharCharHashMap`	`reject(CharCharPredicate predicate)`	Return a copy of this map containing only the key/value pairs that do not match the predicate.
`void`	`remove(char key)`	Removes the mapping associated with the key, if one exists, from the map.
`void`	`removeKey(char key)`	Removes the mapping associated with the key, if one exists, from the map.
`private void`	`removeKeyAtIndex(int index)`
`char`	`removeKeyIfAbsent(char key, char value)`	Removes the mapping associated with the key, if one exists, from the map, returning the previously associated value with the key.
`CharCharHashMap`	`select(CharCharPredicate predicate)`	Return a copy of this map containing only the key/value pairs that match the predicate.
`protected void`	`setSentinelValuesNull()`
`private char`	`slowGetIfAbsent(char key, char ifAbsent)`
`private char`	`slowGetIfAbsentTwo(char key, char ifAbsent)`
`private int`	`smallestPowerOfTwoGreaterThan(int n)`
`(package private) int`	`spreadAndMask(char element)`
`(package private) int`	`spreadTwoAndMask(char element)`
`ImmutableCharCharMap`	`toImmutable()`	Returns a copy of this map that is immutable (if this map is mutable) or itself if it is already immutable.
`java.lang.String`	`toString()`	Returns a string with the elements of this iterable separated by commas with spaces and enclosed in square brackets.
`boolean`	`trimToSize()`
`char`	`updateValue(char key, char initialValueIfAbsent, CharToCharFunction function)`	Updates or sets the value associated with the key by applying the function to the existing value, if one exists, or to the specified initial value if one does not.
`void`	`updateValues(CharCharToCharFunction function)`	Updates the values in-place.
`MutableCharCollection`	`values()`	Returns the values in this map as a separate collection.
`CharCharHashMap`	`withKeysValues(char key1, char value1, char key2, char value2)`
`CharCharHashMap`	`withKeysValues(char key1, char value1, char key2, char value2, char key3, char value3)`
`CharCharHashMap`	`withKeysValues(char key1, char value1, char key2, char value2, char key3, char value3, char key4, char value4)`
`CharCharHashMap`	`withKeyValue(char key1, char value1)`	Associates a value with the specified key.
`CharCharHashMap`	`withoutAllKeys(CharIterable keys)`	Removes the mappings associated with all the keys, if they exist, from this map.
`CharCharHashMap`	`withoutKey(char key)`	Removes the mapping associated with the key, if one exists, from this map.
`void`	`writeExternal(java.io.ObjectOutput out)`

Methods inherited from class org.eclipse.collections.impl.map.mutable.primitive.AbstractMutableCharValuesMap
addEmptyKeyValue, addRemovedKeyValue, allSatisfy, anySatisfy, appendString, chunk, collect, contains, containsAll, containsValue, count, detectIfNone, each, forEachValue, isEmpty, max, min, notEmpty, reject, removeEmptyKey, removeRemovedKey, select, size, sum, toArray, toArray

Methods inherited from class org.eclipse.collections.impl.primitive.AbstractCharIterable
asLazy, average, maxIfEmpty, median, minIfEmpty, toBag, toList, toSet, toSortedArray, toSortedList

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.eclipse.collections.api.map.primitive.CharCharMap
injectIntoKeyValue

Methods inherited from interface org.eclipse.collections.api.CharIterable
allSatisfy, anySatisfy, asLazy, average, averageIfEmpty, chunk, collect, collectBoolean, collectByte, collectChar, collectDouble, collectFloat, collectInt, collectLong, collectShort, contains, containsAll, containsAll, containsAny, containsAny, containsNone, containsNone, count, detectIfNone, each, flatCollect, forEach, injectIntoBoolean, injectIntoByte, injectIntoChar, injectIntoDouble, injectIntoFloat, injectIntoInt, injectIntoLong, injectIntoShort, max, maxIfEmpty, median, medianIfEmpty, min, minIfEmpty, noneSatisfy, reduce, reduceIfEmpty, reject, select, sum, summaryStatistics, toArray, toArray, toBag, toList, toSet, toSortedArray, toSortedList, toSortedList, toSortedListBy, toSortedListBy

Methods inherited from interface org.eclipse.collections.impl.map.primitive.CharKeysMap
isEmpty, notEmpty, size

Methods inherited from interface org.eclipse.collections.api.map.primitive.CharValuesMap
containsValue, forEachValue, tap

Methods inherited from interface org.eclipse.collections.api.map.primitive.MutableCharCharMap
putPair, withAllKeyValues

Methods inherited from interface org.eclipse.collections.api.map.primitive.MutableCharValuesMap
collect, reject, select

Methods inherited from interface org.eclipse.collections.api.PrimitiveIterable
appendString, appendString, appendString, isEmpty, makeString, makeString, makeString, notEmpty, size

- Field Detail
  - EMPTY_VALUE
```
private static final char EMPTY_VALUE
```
    See Also:
    
    Constant Field Values
  - serialVersionUID
```
private static final long serialVersionUID
```
    See Also:
    
    Constant Field Values
  - EMPTY_KEY
```
private static final char EMPTY_KEY
```
    See Also:
    
    Constant Field Values
  - REMOVED_KEY
```
private static final char REMOVED_KEY
```
    See Also:
    
    Constant Field Values
  - CACHE_LINE_SIZE
```
private static final int CACHE_LINE_SIZE
```
    See Also:
    
    Constant Field Values
  - KEY_SIZE
```
private static final int KEY_SIZE
```
    See Also:
    
    Constant Field Values
  - INITIAL_LINEAR_PROBE
```
private static final int INITIAL_LINEAR_PROBE
```
    See Also:
    
    Constant Field Values
  - DEFAULT_INITIAL_CAPACITY
```
private static final int DEFAULT_INITIAL_CAPACITY
```
    See Also:
    
    Constant Field Values
  - keysValues
```
private char[] keysValues
```
  - occupiedWithData
```
private int occupiedWithData
```
  - occupiedWithSentinels
```
private int occupiedWithSentinels
```
  - sentinelValues
```
private AbstractMutableCharValuesMap.SentinelValues sentinelValues
```
  - copyKeysOnWrite
```
private boolean copyKeysOnWrite
```
- Constructor Detail
  - CharCharHashMap
```
public CharCharHashMap()
```
  - CharCharHashMap
```
public CharCharHashMap(int initialCapacity)
```
  - CharCharHashMap
```
public CharCharHashMap(CharCharMap map)
```
- Method Detail
  - newWithKeysValues
```
public static CharCharHashMap newWithKeysValues(char key1,
                                                char value1)
```
  - newWithKeysValues
```
public static CharCharHashMap newWithKeysValues(char key1,
                                                char value1,
                                                char key2,
                                                char value2)
```
  - newWithKeysValues
```
public static CharCharHashMap newWithKeysValues(char key1,
                                                char value1,
                                                char key2,
                                                char value2,
                                                char key3,
                                                char value3)
```
  - newWithKeysValues
```
public static CharCharHashMap newWithKeysValues(char key1,
                                                char value1,
                                                char key2,
                                                char value2,
                                                char key3,
                                                char value3,
                                                char key4,
                                                char value4)
```
  - smallestPowerOfTwoGreaterThan
```
private int smallestPowerOfTwoGreaterThan(int n)
```
  - getOccupiedWithData
```
protected int getOccupiedWithData()
```
    Specified by:
    
    getOccupiedWithData in class AbstractMutableCharValuesMap
  - getSentinelValues
```
protected AbstractMutableCharValuesMap.SentinelValues getSentinelValues()
```
    Specified by:
    
    getSentinelValues in class AbstractMutableCharValuesMap
  - setSentinelValuesNull
```
protected void setSentinelValuesNull()
```
    Specified by:
    
    setSentinelValuesNull in class AbstractMutableCharValuesMap
  - getEmptyValue
```
protected char getEmptyValue()
```
    Specified by:
    
    getEmptyValue in class AbstractMutableCharValuesMap
  - getTableSize
```
protected int getTableSize()
```
    Specified by:
    
    getTableSize in class AbstractMutableCharValuesMap
  - getValueAtIndex
```
protected char getValueAtIndex(int index)
```
    Specified by:
    
    getValueAtIndex in class AbstractMutableCharValuesMap
  - equals
```
public boolean equals(java.lang.Object obj)
```
    Description copied from interface: CharCharMap
    
    Follows the same general contract as Map.equals(Object).
    
    Specified by:
    
    equals in interface CharCharMap
    
    Overrides:
    
    equals in class java.lang.Object
  - hashCode
```
public int hashCode()
```
    Description copied from interface: CharCharMap
    
    Follows the same general contract as Map.hashCode().
    
    Specified by:
    
    hashCode in interface CharCharMap
    
    Overrides:
    
    hashCode in class java.lang.Object
  - toString
```
public java.lang.String toString()
```
    Description copied from interface: PrimitiveIterable
    Returns a string with the elements of this iterable separated by commas with spaces and enclosed in square brackets.
    Assert.assertEquals("[]", IntLists.mutable.empty().toString()); Assert.assertEquals("[1]", IntLists.mutable.with(1).toString()); Assert.assertEquals("[1, 2, 3]", IntLists.mutable.with(1, 2, 3).toString());
    Specified by:
    
    toString in interface CharCharMap
    
    Specified by:
    
    toString in interface PrimitiveIterable
    
    Overrides:
    
    toString in class AbstractCharIterable
    
    Returns:
    
    a string representation of this PrimitiveIterable
    
    See Also:
    
    AbstractCollection.toString()
  - charIterator
```
public MutableCharIterator charIterator()
```
    Description copied from interface: CharIterable
    
    Returns a primitive iterator that can be used to iterate over the CharIterable in an imperative style.
    
    Specified by:
    
    charIterator in interface CharIterable
    
    Specified by:
    
    charIterator in interface MutableCharValuesMap
  - injectInto
```
public <V> V injectInto(V injectedValue,
                        ObjectCharToObjectFunction<? super V,? extends V> function)
```
    Specified by:
    
    injectInto in interface CharIterable
  - clear
```
public void clear()
```
    Description copied from interface: MutableCharValuesMap
    
    Removes all entries from this map.
    
    Specified by:
    
    clear in interface MutableCharKeysMap
    
    Specified by:
    
    clear in interface MutableCharValuesMap
  - put
```
public void put(char key,
                char value)
```
    Description copied from interface: MutableCharCharMap
    
    Associates a value with the specified key. If a value is already associated with the key in this map, it will be replaced with value.
    
    Specified by:
    
    put in interface MutableCharCharMap
    
    Parameters:
    
    key - the key
    
    value - the value to associate with value
  - putForRemovedSentinel
```
private void putForRemovedSentinel(char value)
```
  - putForEmptySentinel
```
private void putForEmptySentinel(char value)
```
  - putAll
```
public void putAll(CharCharMap map)
```
    Description copied from interface: MutableCharCharMap
    
    Puts all of the key/value mappings from the specified map into this map. If this map already has a value associated with one of the keys in the map, it will be replaced with the value in map.
    
    Specified by:
    
    putAll in interface MutableCharCharMap
    
    Parameters:
    
    map - the map to copy into this map
  - updateValues
```
public void updateValues(CharCharToCharFunction function)
```
    Description copied from interface: MutableCharCharMap
    
    Updates the values in-place.
    
    Specified by:
    
    updateValues in interface MutableCharCharMap
    
    Parameters:
    
    function - that takes a key and its value and that returns a new value for this key
  - removeKey
```
public void removeKey(char key)
```
    Description copied from interface: MutableCharCharMap
    
    Removes the mapping associated with the key, if one exists, from the map.
    
    Specified by:
    
    removeKey in interface MutableCharCharMap
    
    Specified by:
    
    removeKey in interface MutableCharKeysMap
    
    Parameters:
    
    key - the key to remove
    
    See Also:
    
    MutableCharCharMap.remove(char)
  - remove
```
public void remove(char key)
```
    Description copied from interface: MutableCharCharMap
    
    Removes the mapping associated with the key, if one exists, from the map.
    
    Specified by:
    
    remove in interface MutableCharCharMap
    
    Parameters:
    
    key - the key to remove
    
    See Also:
    
    MutableCharCharMap.removeKey(char)
  - removeKeyIfAbsent
```
public char removeKeyIfAbsent(char key,
                              char value)
```
    Description copied from interface: MutableCharCharMap
    
    Removes the mapping associated with the key, if one exists, from the map, returning the previously associated value with the key. If no mapping existed for the key, the specified default value is returned.
    
    Specified by:
    
    removeKeyIfAbsent in interface MutableCharCharMap
    
    Parameters:
    
    key - the key to remove
    
    value - the default value to return if no mapping for the key exists
    
    Returns:
    
    the value previously associated with the key, if one existed, or value if not
  - getIfAbsentPut
```
public char getIfAbsentPut(char key,
                           char value)
```
    Description copied from interface: MutableCharCharMap
    
    Retrieves the value associated with the key if one exists; if it does not, associates a value with the key.
    
    Specified by:
    
    getIfAbsentPut in interface MutableCharCharMap
    
    Parameters:
    
    key - the key
    
    value - the value to associate with key if no such mapping exists
    
    Returns:
    
    the value associated with key, if one exists, or value if not
  - getAndPut
```
public char getAndPut(char key,
                      char putValue,
                      char defaultValue)
```
    Description copied from interface: MutableCharCharMap
    
    Retrieves the value associated with the key if one exists; associates a putValue with the key.
    
    Specified by:
    
    getAndPut in interface MutableCharCharMap
    
    Parameters:
    
    key - the key
    
    putValue - the value to associate with key if no such mapping exists
    
    defaultValue - the value to return if no mapping associated with key exists
    
    Returns:
    
    the value associated with key, if one exists, or defaultValue if not
  - getIfAbsentPut
```
public char getIfAbsentPut(char key,
                           CharFunction0 function)
```
    Description copied from interface: MutableCharCharMap
    
    Retrieves the value associated with the key if one exists; if it does not, invokes the supplier and associates the result with the key.
    
    Specified by:
    
    getIfAbsentPut in interface MutableCharCharMap
    
    Parameters:
    
    key - the key
    
    function - the supplier that provides the value if no mapping exists for key
    
    Returns:
    
    the value associated with the key, if one exists, or the result of invoking function if not
  - getIfAbsentPutWith
```
public <P> char getIfAbsentPutWith(char key,
                                   CharFunction<? super P> function,
                                   P parameter)
```
    Description copied from interface: MutableCharCharMap
    
    Retrieves the value associated with the key if one exists; if it does not, invokes the value function with the parameter and associates the result with the key.
    
    Specified by:
    
    getIfAbsentPutWith in interface MutableCharCharMap
    
    Type Parameters:
    
    P - the type of the value function's parameter
    
    Parameters:
    
    key - the key
    
    function - the function that provides the value if no mapping exists. The specified parameter will be passed as the argument to the function.
    
    parameter - the parameter to provide to function if no value exists for key
    
    Returns:
    
    the value associated with the key, if one exists, or the result of invoking function with parameter if not
  - getIfAbsentPutWithKey
```
public char getIfAbsentPutWithKey(char key,
                                  CharToCharFunction function)
```
    Description copied from interface: MutableCharCharMap
    
    Retrieves the value associated with the key if one exists; if it does not, associates the result of invoking the value function with the key.
    
    Specified by:
    
    getIfAbsentPutWithKey in interface MutableCharCharMap
    
    Parameters:
    
    key - the key
    
    function - the function that provides the value if no mapping exists. The key will be passed as the argument to the function.
    
    Returns:
    
    the value associated with the key, if one exists, or the result of invoking function with key if not
  - addToValue
```
public char addToValue(char key,
                       char toBeAdded)
```
    Description copied from interface: MutableCharCharMap
    
    Increments and updates the value associated with the key, if a value exists, or sets the value to be the specified value if one does not.
    
    Specified by:
    
    addToValue in interface MutableCharCharMap
    
    Parameters:
    
    key - the key
    
    toBeAdded - the amount to increment the existing value, if one exists, or to use as the initial value if one does not
    
    Returns:
    
    the value after incrementing toBeAdded to the existing value associated with key or toBeAdded if one does not
  - addKeyValueAtIndex
```
private void addKeyValueAtIndex(char key,
                                char value,
                                int index)
```
  - removeKeyAtIndex
```
private void removeKeyAtIndex(int index)
```
  - copyKeys
```
private void copyKeys()
```
  - updateValue
```
public char updateValue(char key,
                        char initialValueIfAbsent,
                        CharToCharFunction function)
```
    Description copied from interface: MutableCharCharMap
    
    Updates or sets the value associated with the key by applying the function to the existing value, if one exists, or to the specified initial value if one does not.
    
    Specified by:
    
    updateValue in interface MutableCharCharMap
    
    Parameters:
    
    key - the key
    
    initialValueIfAbsent - the initial value to supply to the function if no mapping exists for the key
    
    function - the function that returns the updated value based on the current value or the initial value, if no value exists
    
    Returns:
    
    the new value associated with the key, either as a result of applying function to the value already associated with the key or as a result of applying it to initialValueIfAbsent and associating the result with key
  - withKeyValue
```
public CharCharHashMap withKeyValue(char key1,
                                    char value1)
```
    Description copied from interface: MutableCharCharMap
    
    Associates a value with the specified key. If a value is already associated with the key in this map, it will be replaced with value.
    
    Specified by:
    
    withKeyValue in interface MutableCharCharMap
    
    Parameters:
    
    key1 - the key
    
    value1 - the value to associate with value
    
    Returns:
    
    this map
    
    See Also:
    
    MutableCharCharMap.put(char, char)
  - withKeysValues
```
public CharCharHashMap withKeysValues(char key1,
                                      char value1,
                                      char key2,
                                      char value2)
```
  - withKeysValues
```
public CharCharHashMap withKeysValues(char key1,
                                      char value1,
                                      char key2,
                                      char value2,
                                      char key3,
                                      char value3)
```
  - withKeysValues
```
public CharCharHashMap withKeysValues(char key1,
                                      char value1,
                                      char key2,
                                      char value2,
                                      char key3,
                                      char value3,
                                      char key4,
                                      char value4)
```
  - withoutKey
```
public CharCharHashMap withoutKey(char key)
```
    Description copied from interface: MutableCharCharMap
    
    Removes the mapping associated with the key, if one exists, from this map.
    
    Specified by:
    
    withoutKey in interface MutableCharCharMap
    
    Parameters:
    
    key - the key to remove
    
    Returns:
    
    this map
    
    See Also:
    
    MutableCharCharMap.remove(char)
  - withoutAllKeys
```
public CharCharHashMap withoutAllKeys(CharIterable keys)
```
    Description copied from interface: MutableCharCharMap
    
    Removes the mappings associated with all the keys, if they exist, from this map.
    
    Specified by:
    
    withoutAllKeys in interface MutableCharCharMap
    
    Parameters:
    
    keys - the keys to remove
    
    Returns:
    
    this map
    
    See Also:
    
    MutableCharCharMap.remove(char)
  - asUnmodifiable
```
public MutableCharCharMap asUnmodifiable()
```
    Description copied from interface: MutableCharCharMap
    
    Returns an unmodifiable view of this map, delegating all read-only operations to this map and throwing an UnsupportedOperationException for all mutating operations. This avoids the overhead of copying the map when calling CharCharMap.toImmutable() while still providing immutability.
    
    Specified by:
    
    asUnmodifiable in interface MutableCharCharMap
    
    Returns:
    
    an unmodifiable view of this map
  - asSynchronized
```
public MutableCharCharMap asSynchronized()
```
    Description copied from interface: MutableCharCharMap
    
    Returns a synchronized view of this map, delegating all operations to this map but ensuring only one caller has access to the map at a time.
    
    Specified by:
    
    asSynchronized in interface MutableCharCharMap
    
    Returns:
    
    a synchronized view of this map
  - toImmutable
```
public ImmutableCharCharMap toImmutable()
```
    Description copied from interface: CharCharMap
    
    Returns a copy of this map that is immutable (if this map is mutable) or itself if it is already immutable.
    
    Specified by:
    
    toImmutable in interface CharCharMap
    
    Returns:
    
    an immutable map that is equivalent to this one
  - get
```
public char get(char key)
```
    Description copied from interface: CharCharMap
    
    Retrieves the value associated with the key. If no mapping exists for the key, the default value (usually 0) is returned.
    
    Specified by:
    
    get in interface CharCharMap
    
    Parameters:
    
    key - the key
    
    Returns:
    
    the value associated with the key, or the default value if no such mapping exists
  - getIfAbsent
```
public char getIfAbsent(char key,
                        char ifAbsent)
```
    Description copied from interface: CharCharMap
    
    Retrieves the value associated with the key, returning the specified default value if no such mapping exists.
    
    Specified by:
    
    getIfAbsent in interface CharCharMap
    
    Parameters:
    
    key - the key
    
    ifAbsent - the default value to return if no mapping exists for key
    
    Returns:
    
    the value associated with the key, or ifAbsent if no such mapping exists.
  - getForSentinel
```
private char getForSentinel(char key,
                            char ifAbsent)
```
  - slowGetIfAbsent
```
private char slowGetIfAbsent(char key,
                             char ifAbsent)
```
  - fastGetIfAbsent
```
private char fastGetIfAbsent(char key,
                             char ifAbsent)
```
  - slowGetIfAbsentTwo
```
private char slowGetIfAbsentTwo(char key,
                                char ifAbsent)
```
  - getOrThrow
```
public char getOrThrow(char key)
```
    Description copied from interface: CharCharMap
    
    Retrieves the value associated with the key, throwing an IllegalStateException if no such mapping exists.
    
    Specified by:
    
    getOrThrow in interface CharCharMap
    
    Parameters:
    
    key - the key
    
    Returns:
    
    the value associated with the key
  - containsKey
```
public boolean containsKey(char key)
```
    Description copied from interface: CharCharMap
    
    Returns whether or not the key is present in the map.
    
    Specified by:
    
    containsKey in interface CharCharMap
    
    Specified by:
    
    containsKey in interface CharKeysMap
    
    Parameters:
    
    key - the key
    
    Returns:
    
    if a mapping exists in this map for the key
  - forEachKey
```
public void forEachKey(CharProcedure procedure)
```
    Description copied from interface: CharCharMap
    
    Iterates through each key in the map, invoking the procedure for each.
    
    Specified by:
    
    forEachKey in interface CharCharMap
    
    Specified by:
    
    forEachKey in interface CharKeysMap
    
    Parameters:
    
    procedure - the procedure to invoke for each key
  - forEachKeyValue
```
public void forEachKeyValue(CharCharProcedure procedure)
```
    Description copied from interface: CharCharMap
    
    Iterates through each key/value pair in the map, invoking the procedure for each.
    
    Specified by:
    
    forEachKeyValue in interface CharCharMap
    
    Parameters:
    
    procedure - the procedure to invoke for each key/value pair
  - allSatisfyKeyValue
```
public boolean allSatisfyKeyValue(CharCharPredicate predicate)
```
    Specified by:
    
    allSatisfyKeyValue in interface CharCharMap
    
    Since:
    
    12.0
  - keysView
```
public LazyCharIterable keysView()
```
    Description copied from interface: CharCharMap
    
    Returns a view of the keys in this map. This iterable is backed by the map, so any modifications to the underlying map will be reflected in the keys returned by the iterable.
    
    Specified by:
    
    keysView in interface CharCharMap
    
    Returns:
    
    a view of the keys in this map
  - keyValuesView
```
public RichIterable<CharCharPair> keyValuesView()
```
    Description copied from interface: CharCharMap
    
    Returns a view of the key/value pairs in this map. This iterable is backed by the map, so any modifications to the underlying map will be reflected in the pairs returned by the iterable.
    
    Specified by:
    
    keyValuesView in interface CharCharMap
    
    Returns:
    
    a view of the keys in this map
  - flipUniqueValues
```
public MutableCharCharMap flipUniqueValues()
```
    Description copied from interface: CharCharMap
    
    Return the CharCharMap that is obtained by flipping the direction of this map and making the associations from value to key.
    
    Specified by:
    
    flipUniqueValues in interface CharCharMap
    
    Specified by:
    
    flipUniqueValues in interface MutableCharCharMap
  - select
```
public CharCharHashMap select(CharCharPredicate predicate)
```
    Description copied from interface: CharCharMap
    
    Return a copy of this map containing only the key/value pairs that match the predicate.
    
    Specified by:
    
    select in interface CharCharMap
    
    Specified by:
    
    select in interface MutableCharCharMap
    
    Parameters:
    
    predicate - the predicate to determine which key/value pairs in this map should be included in the returned map
    
    Returns:
    
    a copy of this map with the matching key/value pairs
  - reject
```
public CharCharHashMap reject(CharCharPredicate predicate)
```
    Description copied from interface: CharCharMap
    
    Return a copy of this map containing only the key/value pairs that do not match the predicate.
    
    Specified by:
    
    reject in interface CharCharMap
    
    Specified by:
    
    reject in interface MutableCharCharMap
    
    Parameters:
    
    predicate - the predicate to determine which key/value pairs in this map should be excluded from the returned map
    
    Returns:
    
    a copy of this map without the matching key/value pairs
  - writeExternal
```
public void writeExternal(java.io.ObjectOutput out)
                   throws java.io.IOException
```
    Specified by:
    
    writeExternal in interface java.io.Externalizable
    
    Throws:
    
    java.io.IOException
  - readExternal
```
public void readExternal(java.io.ObjectInput in)
                  throws java.io.IOException,
                         java.lang.ClassNotFoundException
```
    Specified by:
    
    readExternal in interface java.io.Externalizable
    
    Throws:
    
    java.io.IOException
    
    java.lang.ClassNotFoundException
  - trimToSize
```
public boolean trimToSize()
```
    Since:
    
    12.0
  - compact
```
@Deprecated
public void compact()
```
    Deprecated.
    since 12.0 - Use trimToSize() instead
    
    Rehashes every element in the set into a new backing table of the smallest possible size and eliminating removed sentinels.
  - rehashAndGrow
```
private void rehashAndGrow()
```
  - rehash
```
private void rehash(int newCapacity)
```
  - probe
```
int probe(char element)
```
  - probeTwo
```
int probeTwo(char element,
             int removedIndex)
```
  - probeThree
```
int probeThree(char element,
               int removedIndex)
```
  - spreadAndMask
```
int spreadAndMask(char element)
```
  - spreadTwoAndMask
```
int spreadTwoAndMask(char element)
```
  - mask
```
private int mask(int spread)
```
  - allocateTable
```
protected void allocateTable(int sizeToAllocate)
```
  - isEmptyKey
```
private static boolean isEmptyKey(char key)
```
  - isRemovedKey
```
private static boolean isRemovedKey(char key)
```
  - isNonSentinel
```
private static boolean isNonSentinel(char key)
```
  - isNonSentinelAtIndex
```
protected boolean isNonSentinelAtIndex(int index)
```
    Specified by:
    
    isNonSentinelAtIndex in class AbstractMutableCharValuesMap
  - maxOccupiedWithData
```
private int maxOccupiedWithData()
```
  - keySet
```
public MutableCharSet keySet()
```
    Description copied from interface: CharCharMap
    
    Returns a set containing all the keys in this map. The set is backed by the map, so any modifications to the returned set will affect this map.
    
    Specified by:
    
    keySet in interface CharCharMap
    
    Returns:
    
    a mutable set containing the keys in this map
  - values
```
public MutableCharCollection values()
```
    Description copied from interface: CharValuesMap
    
    Returns the values in this map as a separate collection. The returned collection is backed by the map, so any changes made to the returned collection will affect the state of this map.
    
    Specified by:
    
    values in interface CharValuesMap
    
    Returns:
    
    the values as a collection backed by this map

Constructor	Description
`CharCharHashMap()`
`CharCharHashMap(int initialCapacity)`
`CharCharHashMap(CharCharMap map)`

Class CharCharHashMap

Nested Class Summary

Nested classes/interfaces inherited from class org.eclipse.collections.impl.map.mutable.primitive.AbstractMutableCharValuesMap

Field Summary

Constructor Summary

Method Summary

Methods inherited from class org.eclipse.collections.impl.map.mutable.primitive.AbstractMutableCharValuesMap

Methods inherited from class org.eclipse.collections.impl.primitive.AbstractCharIterable

Methods inherited from class java.lang.Object

Methods inherited from interface org.eclipse.collections.api.map.primitive.CharCharMap

Methods inherited from interface org.eclipse.collections.api.CharIterable

Methods inherited from interface org.eclipse.collections.impl.map.primitive.CharKeysMap

Methods inherited from interface org.eclipse.collections.api.map.primitive.CharValuesMap

Methods inherited from interface org.eclipse.collections.api.map.primitive.MutableCharCharMap

Methods inherited from interface org.eclipse.collections.api.map.primitive.MutableCharValuesMap

Methods inherited from interface org.eclipse.collections.api.PrimitiveIterable

Field Detail

EMPTY_VALUE

serialVersionUID

EMPTY_KEY

REMOVED_KEY

CACHE_LINE_SIZE

KEY_SIZE

INITIAL_LINEAR_PROBE

DEFAULT_INITIAL_CAPACITY

keysValues

occupiedWithData

occupiedWithSentinels

sentinelValues

copyKeysOnWrite

Constructor Detail

CharCharHashMap

CharCharHashMap

CharCharHashMap

Method Detail

newWithKeysValues

newWithKeysValues

newWithKeysValues

newWithKeysValues

smallestPowerOfTwoGreaterThan

getOccupiedWithData

getSentinelValues

setSentinelValuesNull

getEmptyValue

getTableSize

getValueAtIndex

equals

hashCode

toString

charIterator

injectInto

clear

put

putForRemovedSentinel

putForEmptySentinel

putAll

updateValues

removeKey

remove

removeKeyIfAbsent

getIfAbsentPut

getAndPut

getIfAbsentPut

getIfAbsentPutWith

getIfAbsentPutWithKey

addToValue

addKeyValueAtIndex

removeKeyAtIndex

copyKeys

updateValue

withKeyValue

withKeysValues

withKeysValues

withKeysValues

withoutKey

withoutAllKeys

asUnmodifiable

asSynchronized

toImmutable

get