Double2BooleanLinkedOpenCustomHashMap (Primitive-Collections 0.2.0 API)

java.lang.Object
- java.util.AbstractMap<java.lang.Double,java.lang.Boolean>
- - speiger.src.collections.doubles.maps.abstracts.AbstractDouble2BooleanMap
  - - speiger.src.collections.doubles.maps.impl.customHash.Double2BooleanOpenCustomHashMap
    - - speiger.src.collections.doubles.maps.impl.customHash.Double2BooleanLinkedOpenCustomHashMap

All Implemented Interfaces:

java.util.function.DoublePredicate, java.util.Map<java.lang.Double,java.lang.Boolean>, java.util.SortedMap<java.lang.Double,java.lang.Boolean>, Double2BooleanFunction, Double2BooleanMap, Double2BooleanSortedMap
```
public class Double2BooleanLinkedOpenCustomHashMap
extends Double2BooleanOpenCustomHashMap
implements Double2BooleanSortedMap
```
A Type Specific LinkedHashMap that allows for custom HashControl. That uses arrays to create links between nodes. For cases where Objects/primitive do not allow hashcoding this can be really useful and provide a lot of control. This implementation of SortedMap does not support SubMaps of any kind. It implements the interface due to sortability and first/last access

Nested Class Summary
- Nested classes/interfaces inherited from class speiger.src.collections.doubles.maps.abstracts.AbstractDouble2BooleanMap
  AbstractDouble2BooleanMap.BasicEntry
- 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.doubles.maps.interfaces.Double2BooleanSortedMap
  Double2BooleanSortedMap.FastSortedSet
- Nested classes/interfaces inherited from interface speiger.src.collections.doubles.maps.interfaces.Double2BooleanMap
  Double2BooleanMap.Entry, Double2BooleanMap.FastEntrySet

Constructor Summary

Constructors
Constructor and Description
`Double2BooleanLinkedOpenCustomHashMap(double[] keys, boolean[] values, DoubleStrategy strategy)` Helper constructor that allow to create a map from unboxed values
`Double2BooleanLinkedOpenCustomHashMap(java.lang.Double[] keys, java.lang.Boolean[] values, DoubleStrategy strategy)` Helper constructor that allow to create a map from boxed values (it will unbox them)
`Double2BooleanLinkedOpenCustomHashMap(double[] keys, boolean[] values, float loadFactor, DoubleStrategy strategy)` Helper constructor that allow to create a map from unboxed values
`Double2BooleanLinkedOpenCustomHashMap(java.lang.Double[] keys, java.lang.Boolean[] values, float loadFactor, DoubleStrategy strategy)` Helper constructor that allow to create a map from boxed values (it will unbox them)
`Double2BooleanLinkedOpenCustomHashMap(Double2BooleanMap map, DoubleStrategy strategy)` A Type Specific Helper function that allows to create a new Map with exactly the same values as the provided map.
`Double2BooleanLinkedOpenCustomHashMap(Double2BooleanMap map, float loadFactor, DoubleStrategy strategy)` A Type Specific Helper function that allows to create a new Map with exactly the same values as the provided map.
`Double2BooleanLinkedOpenCustomHashMap(DoubleStrategy strategy)` Default Constructor
`Double2BooleanLinkedOpenCustomHashMap(int minCapacity, DoubleStrategy strategy)` Constructor that defines the minimum capacity
`Double2BooleanLinkedOpenCustomHashMap(int minCapacity, float loadFactor, DoubleStrategy strategy)` Constructor that defines the minimum capacity and load factor
`Double2BooleanLinkedOpenCustomHashMap(java.util.Map<? extends java.lang.Double,? extends java.lang.Boolean> map, DoubleStrategy strategy)` A Helper constructor that allows to create a Map with exactly the same values as the provided map.
`Double2BooleanLinkedOpenCustomHashMap(java.util.Map<? extends java.lang.Double,? extends java.lang.Boolean> map, float loadFactor, DoubleStrategy strategy)` A Helper constructor that allows to create a Map with exactly the same values as the provided map.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`clear()`
`DoubleComparator`	`comparator()`
`ObjectSet<Double2BooleanMap.Entry>`	`double2BooleanEntrySet()` Type Sensitive EntrySet to reduce boxing/unboxing and optionally Temp Object Allocation.
`boolean`	`firstBooleanValue()` A method to get the first Value of a Map.
`double`	`firstDoubleKey()` A method to get the first Key of a Map.
`void`	`forEach(DoubleBooleanConsumer action)` Type Specific forEach method to reduce boxing/unboxing
`boolean`	`getAndMoveToFirst(double key)` A Specific get method that allows to move teh given key/value int the first index.
`boolean`	`getAndMoveToLast(double key)` A Specific get method that allows to move teh given key/value int the last index.
`Double2BooleanSortedMap`	`headMap(double toKey)` A Type Specific HeadMap method to reduce boxing/unboxing
`DoubleSet`	`keySet()`
`boolean`	`lastBooleanValue()` A method to get the last Value of a Map.
`double`	`lastDoubleKey()` A method to get the last Key of a Map.
`boolean`	`moveToFirst(double key)` A specific move method to move a given key/value to the first index.
`boolean`	`moveToLast(double key)` A specific move method to move a given key/value to the last index.
`double`	`pollFirstDoubleKey()` A method to get and remove the first Key of a Map.
`double`	`pollLastDoubleKey()` A method to get and remove the last Key of a Map.
`boolean`	`putAndMoveToFirst(double key, boolean value)` A customized put method that allows you to insert into the first index.
`boolean`	`putAndMoveToLast(double key, boolean value)` A customized put method that allows you to insert into the last index.
`Double2BooleanSortedMap`	`subMap(double fromKey, double toKey)` A Type Specific SubMap method to reduce boxing/unboxing
`Double2BooleanSortedMap`	`tailMap(double fromKey)` A Type Specific TailMap method to reduce boxing/unboxing
`BooleanCollection`	`values()`

Methods inherited from class speiger.src.collections.doubles.maps.impl.customHash.Double2BooleanOpenCustomHashMap
computeBoolean, computeBooleanIfAbsent, computeBooleanIfPresent, containsKey, containsKey, containsValue, containsValue, get, getBoolean, getOrDefault, mergeAllBoolean, mergeBoolean, put, putIfAbsent, remDouble, remDoubleOrDefault, remove, remove, remove, replace, replace, size

Methods inherited from class speiger.src.collections.doubles.maps.abstracts.AbstractDouble2BooleanMap
entrySet, equals, getDefaultReturnValue, getOrDefault, hashCode, putAll, putAll, putAll, putAllIfAbsent, replaceBooleans, replaceBooleans, setDefaultReturnValue

Methods inherited from class java.util.AbstractMap
isEmpty, put, toString

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

Methods inherited from interface speiger.src.collections.doubles.maps.interfaces.Double2BooleanSortedMap
firstKey, headMap, lastKey, subMap, tailMap

Methods inherited from interface java.util.SortedMap
entrySet

Methods inherited from interface speiger.src.collections.doubles.maps.interfaces.Double2BooleanMap
compute, computeBoolean, computeBooleanIfAbsent, computeBooleanIfPresent, computeIfAbsent, computeIfPresent, containsKey, containsKey, containsValue, containsValue, entrySet, forEach, get, getBoolean, getDefaultReturnValue, getOrDefault, getOrDefault, merge, mergeAllBoolean, mergeBoolean, put, put, putAll, putAll, putAll, putAllIfAbsent, putIfAbsent, putIfAbsent, remDouble, remDoubleOrDefault, remove, remove, remove, replace, replace, replace, replace, replaceAll, replaceBooleans, replaceBooleans, setDefaultReturnValue

Methods inherited from interface java.util.Map
equals, hashCode, isEmpty, putAll, size

Methods inherited from interface speiger.src.collections.doubles.functions.function.Double2BooleanFunction
and, andType, negate, or, orType, test

- Constructor Detail
  - Double2BooleanLinkedOpenCustomHashMap
```
public Double2BooleanLinkedOpenCustomHashMap(DoubleStrategy strategy)
```
    Default Constructor
    
    Parameters:
    
    strategy - the strategy that allows hash control.
    
    Throws:
    
    java.lang.NullPointerException - if Strategy is null
  - Double2BooleanLinkedOpenCustomHashMap
```
public Double2BooleanLinkedOpenCustomHashMap(int minCapacity,
                                             DoubleStrategy strategy)
```
    Constructor that defines the minimum capacity
    
    Parameters:
    
    minCapacity - the minimum capacity the HashMap is allowed to be.
    
    strategy - the strategy that allows hash control.
    
    Throws:
    
    java.lang.NullPointerException - if Strategy is null
    
    java.lang.IllegalStateException - if the minimum capacity is negative
  - Double2BooleanLinkedOpenCustomHashMap
```
public Double2BooleanLinkedOpenCustomHashMap(int minCapacity,
                                             float loadFactor,
                                             DoubleStrategy strategy)
```
    Constructor that defines the minimum capacity and load factor
    
    Parameters:
    
    minCapacity - the minimum capacity the HashMap is allowed to be.
    
    loadFactor - the percentage of how full the backing array can be before they resize
    
    strategy - the strategy that allows hash control.
    
    Throws:
    
    java.lang.NullPointerException - if Strategy is null
    
    java.lang.IllegalStateException - if the minimum capacity is negative
    
    java.lang.IllegalStateException - if the loadfactor is either below/equal to 0 or above/equal to 1
  - Double2BooleanLinkedOpenCustomHashMap
```
public Double2BooleanLinkedOpenCustomHashMap(java.lang.Double[] keys,
                                             java.lang.Boolean[] values,
                                             DoubleStrategy strategy)
```
    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.
    
    strategy - the strategy that allows hash control.
    
    Throws:
    
    java.lang.NullPointerException - if Strategy is null
    
    java.lang.IllegalStateException - if the keys and values do not match in lenght
  - Double2BooleanLinkedOpenCustomHashMap
```
public Double2BooleanLinkedOpenCustomHashMap(java.lang.Double[] keys,
                                             java.lang.Boolean[] values,
                                             float loadFactor,
                                             DoubleStrategy strategy)
```
    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
    
    strategy - the strategy that allows hash control.
    
    Throws:
    
    java.lang.NullPointerException - if Strategy is null
    
    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
  - Double2BooleanLinkedOpenCustomHashMap
```
public Double2BooleanLinkedOpenCustomHashMap(double[] keys,
                                             boolean[] values,
                                             DoubleStrategy strategy)
```
    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.
    
    strategy - the strategy that allows hash control.
    
    Throws:
    
    java.lang.NullPointerException - if Strategy is null
    
    java.lang.IllegalStateException - if the keys and values do not match in lenght
  - Double2BooleanLinkedOpenCustomHashMap
```
public Double2BooleanLinkedOpenCustomHashMap(double[] keys,
                                             boolean[] values,
                                             float loadFactor,
                                             DoubleStrategy strategy)
```
    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
    
    strategy - the strategy that allows hash control.
    
    Throws:
    
    java.lang.NullPointerException - if Strategy is null
    
    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
  - Double2BooleanLinkedOpenCustomHashMap
```
public Double2BooleanLinkedOpenCustomHashMap(java.util.Map<? extends java.lang.Double,? extends java.lang.Boolean> map,
                                             DoubleStrategy strategy)
```
    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
    
    strategy - the strategy that allows hash control.
    
    Throws:
    
    java.lang.NullPointerException - if Strategy is null
  - Double2BooleanLinkedOpenCustomHashMap
```
public Double2BooleanLinkedOpenCustomHashMap(java.util.Map<? extends java.lang.Double,? extends java.lang.Boolean> map,
                                             float loadFactor,
                                             DoubleStrategy strategy)
```
    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
    
    strategy - the strategy that allows hash control.
    
    Throws:
    
    java.lang.NullPointerException - if Strategy is null
    
    java.lang.IllegalStateException - if the loadfactor is either below/equal to 0 or above/equal to 1
  - Double2BooleanLinkedOpenCustomHashMap
```
public Double2BooleanLinkedOpenCustomHashMap(Double2BooleanMap map,
                                             DoubleStrategy strategy)
```
    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
    
    strategy - the strategy that allows hash control.
    
    Throws:
    
    java.lang.NullPointerException - if Strategy is null
  - Double2BooleanLinkedOpenCustomHashMap
```
public Double2BooleanLinkedOpenCustomHashMap(Double2BooleanMap map,
                                             float loadFactor,
                                             DoubleStrategy strategy)
```
    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
    
    strategy - the strategy that allows hash control.
    
    Throws:
    
    java.lang.NullPointerException - if Strategy is null
    
    java.lang.IllegalStateException - if the loadfactor is either below/equal to 0 or above/equal to 1
- Method Detail
  - putAndMoveToFirst
```
public boolean putAndMoveToFirst(double key,
                                 boolean value)
```
    Description copied from interface: Double2BooleanSortedMap
    
    A customized put method that allows you to insert into the first index.
    
    Specified by:
    
    putAndMoveToFirst in interface Double2BooleanSortedMap
    
    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 boolean putAndMoveToLast(double key,
                                boolean value)
```
    Description copied from interface: Double2BooleanSortedMap
    
    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 Double2BooleanSortedMap
    
    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(double key)
```
    Description copied from interface: Double2BooleanSortedMap
    
    A specific move method to move a given key/value to the first index.
    
    Specified by:
    
    moveToFirst in interface Double2BooleanSortedMap
    
    Parameters:
    
    key - that should be moved to the first index
    
    Returns:
    
    true if the value was moved.
  - moveToLast
```
public boolean moveToLast(double key)
```
    Description copied from interface: Double2BooleanSortedMap
    
    A specific move method to move a given key/value to the last index.
    
    Specified by:
    
    moveToLast in interface Double2BooleanSortedMap
    
    Parameters:
    
    key - that should be moved to the first last
    
    Returns:
    
    true if the value was moved.
  - getAndMoveToFirst
```
public boolean getAndMoveToFirst(double key)
```
    Description copied from interface: Double2BooleanSortedMap
    
    A Specific get method that allows to move teh given key/value int the first index.
    
    Specified by:
    
    getAndMoveToFirst in interface Double2BooleanSortedMap
    
    Parameters:
    
    key - that is searched for
    
    Returns:
    
    the given value for the requested key or default return value
  - getAndMoveToLast
```
public boolean getAndMoveToLast(double key)
```
    Description copied from interface: Double2BooleanSortedMap
    
    A Specific get method that allows to move teh given key/value int the last index.
    
    Specified by:
    
    getAndMoveToLast in interface Double2BooleanSortedMap
    
    Parameters:
    
    key - that is searched for
    
    Returns:
    
    the given value for the requested key or default return value
  - comparator
```
public DoubleComparator comparator()
```
    Specified by:
    
    comparator in interface java.util.SortedMap<java.lang.Double,java.lang.Boolean>
    
    Specified by:
    
    comparator in interface Double2BooleanSortedMap
  - subMap
```
public Double2BooleanSortedMap subMap(double fromKey,
                                      double toKey)
```
    Description copied from interface: Double2BooleanSortedMap
    
    A Type Specific SubMap method to reduce boxing/unboxing
    
    Specified by:
    
    subMap in interface Double2BooleanSortedMap
    
    Parameters:
    
    fromKey - where the submap should start
    
    toKey - where the subMap should end
    
    Returns:
    
    a SubMap that is within the range of the desired range
  - headMap
```
public Double2BooleanSortedMap headMap(double toKey)
```
    Description copied from interface: Double2BooleanSortedMap
    
    A Type Specific HeadMap method to reduce boxing/unboxing
    
    Specified by:
    
    headMap in interface Double2BooleanSortedMap
    
    Parameters:
    
    toKey - where the headMap should end
    
    Returns:
    
    a HeadMap that is within the range of the desired range
  - tailMap
```
public Double2BooleanSortedMap tailMap(double fromKey)
```
    Description copied from interface: Double2BooleanSortedMap
    
    A Type Specific TailMap method to reduce boxing/unboxing
    
    Specified by:
    
    tailMap in interface Double2BooleanSortedMap
    
    Parameters:
    
    fromKey - where the TailMap should start
    
    Returns:
    
    a TailMap that is within the range of the desired range
  - firstDoubleKey
```
public double firstDoubleKey()
```
    Description copied from interface: Double2BooleanSortedMap
    
    A method to get the first Key of a Map.
    
    Specified by:
    
    firstDoubleKey in interface Double2BooleanSortedMap
    
    Returns:
    
    the first key in the map
  - pollFirstDoubleKey
```
public double pollFirstDoubleKey()
```
    Description copied from interface: Double2BooleanSortedMap
    
    A method to get and remove the first Key of a Map.
    
    Specified by:
    
    pollFirstDoubleKey in interface Double2BooleanSortedMap
    
    Returns:
    
    the first key in the map
  - lastDoubleKey
```
public double lastDoubleKey()
```
    Description copied from interface: Double2BooleanSortedMap
    
    A method to get the last Key of a Map.
    
    Specified by:
    
    lastDoubleKey in interface Double2BooleanSortedMap
    
    Returns:
    
    the last key in the map
  - pollLastDoubleKey
```
public double pollLastDoubleKey()
```
    Description copied from interface: Double2BooleanSortedMap
    
    A method to get and remove the last Key of a Map.
    
    Specified by:
    
    pollLastDoubleKey in interface Double2BooleanSortedMap
    
    Returns:
    
    the last key in the map
  - firstBooleanValue
```
public boolean firstBooleanValue()
```
    Description copied from interface: Double2BooleanSortedMap
    
    A method to get the first Value of a Map.
    
    Specified by:
    
    firstBooleanValue in interface Double2BooleanSortedMap
    
    Returns:
    
    the first key in the map
  - lastBooleanValue
```
public boolean lastBooleanValue()
```
    Description copied from interface: Double2BooleanSortedMap
    
    A method to get the last Value of a Map.
    
    Specified by:
    
    lastBooleanValue in interface Double2BooleanSortedMap
    
    Returns:
    
    the last key in the map
  - double2BooleanEntrySet
```
public ObjectSet<Double2BooleanMap.Entry> double2BooleanEntrySet()
```
    Description copied from interface: Double2BooleanMap
    
    Type Sensitive EntrySet to reduce boxing/unboxing and optionally Temp Object Allocation.
    
    Specified by:
    
    double2BooleanEntrySet in interface Double2BooleanMap
    
    Overrides:
    
    double2BooleanEntrySet in class Double2BooleanOpenCustomHashMap
    
    Returns:
    
    a EntrySet of the collection
  - keySet
```
public DoubleSet keySet()
```
    Specified by:
    
    keySet in interface java.util.Map<java.lang.Double,java.lang.Boolean>
    
    Specified by:
    
    keySet in interface java.util.SortedMap<java.lang.Double,java.lang.Boolean>
    
    Specified by:
    
    keySet in interface Double2BooleanMap
    
    Specified by:
    
    keySet in interface Double2BooleanSortedMap
    
    Overrides:
    
    keySet in class Double2BooleanOpenCustomHashMap
  - values
```
public BooleanCollection values()
```
    Specified by:
    
    values in interface java.util.Map<java.lang.Double,java.lang.Boolean>
    
    Specified by:
    
    values in interface java.util.SortedMap<java.lang.Double,java.lang.Boolean>
    
    Specified by:
    
    values in interface Double2BooleanMap
    
    Specified by:
    
    values in interface Double2BooleanSortedMap
    
    Overrides:
    
    values in class Double2BooleanOpenCustomHashMap
  - forEach
```
public void forEach(DoubleBooleanConsumer action)
```
    Description copied from interface: Double2BooleanMap
    
    Type Specific forEach method to reduce boxing/unboxing
    
    Specified by:
    
    forEach in interface Double2BooleanMap
    
    Overrides:
    
    forEach in class Double2BooleanOpenCustomHashMap
    
    Parameters:
    
    action - processor of the values that are iterator over
  - clear
```
public void clear()
```
    Specified by:
    
    clear in interface java.util.Map<java.lang.Double,java.lang.Boolean>
    
    Overrides:
    
    clear in class Double2BooleanOpenCustomHashMap

Class Double2BooleanLinkedOpenCustomHashMap

Nested Class Summary

Nested classes/interfaces inherited from class speiger.src.collections.doubles.maps.abstracts.AbstractDouble2BooleanMap

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

Nested classes/interfaces inherited from interface speiger.src.collections.doubles.maps.interfaces.Double2BooleanSortedMap

Nested classes/interfaces inherited from interface speiger.src.collections.doubles.maps.interfaces.Double2BooleanMap

Constructor Summary

Method Summary

Methods inherited from class speiger.src.collections.doubles.maps.impl.customHash.Double2BooleanOpenCustomHashMap

Methods inherited from class speiger.src.collections.doubles.maps.abstracts.AbstractDouble2BooleanMap

Methods inherited from class java.util.AbstractMap

Methods inherited from class java.lang.Object

Methods inherited from interface speiger.src.collections.doubles.maps.interfaces.Double2BooleanSortedMap

Methods inherited from interface java.util.SortedMap

Methods inherited from interface speiger.src.collections.doubles.maps.interfaces.Double2BooleanMap

Methods inherited from interface java.util.Map

Methods inherited from interface speiger.src.collections.doubles.functions.function.Double2BooleanFunction

Constructor Detail

Double2BooleanLinkedOpenCustomHashMap

Double2BooleanLinkedOpenCustomHashMap

Double2BooleanLinkedOpenCustomHashMap

Double2BooleanLinkedOpenCustomHashMap

Double2BooleanLinkedOpenCustomHashMap

Double2BooleanLinkedOpenCustomHashMap

Double2BooleanLinkedOpenCustomHashMap

Double2BooleanLinkedOpenCustomHashMap

Double2BooleanLinkedOpenCustomHashMap

Double2BooleanLinkedOpenCustomHashMap

Double2BooleanLinkedOpenCustomHashMap

Method Detail

putAndMoveToFirst

putAndMoveToLast

moveToFirst

moveToLast

getAndMoveToFirst

getAndMoveToLast

comparator

subMap

headMap

tailMap

firstDoubleKey

pollFirstDoubleKey

lastDoubleKey

pollLastDoubleKey

firstBooleanValue

lastBooleanValue

double2BooleanEntrySet

keySet

values

forEach

clear