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Showing content from https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/util/LinkedHashMap.html below:

LinkedHashMap (Java SE 24 & JDK 24)

Type Parameters:

K - the type of keys maintained by this map

V - the type of mapped values

All Implemented Interfaces:

Serializable, Cloneable, Map<K,V>, SequencedMap<K,V>

• Nested Class Summary
• Constructor Summary

  Constructors

  Constructs an empty insertion-ordered LinkedHashMap instance with the default initial capacity (16) and load factor (0.75).

  Constructs an empty insertion-ordered LinkedHashMap instance with the specified initial capacity and a default load factor (0.75).

  Constructs an empty insertion-ordered LinkedHashMap instance with the specified initial capacity and load factor.

  LinkedHashMap(int initialCapacity, float loadFactor, boolean accessOrder)

  Constructs an empty LinkedHashMap instance with the specified initial capacity, load factor and ordering mode.

  Constructs an insertion-ordered LinkedHashMap instance with the same mappings as the specified map.

• Method Summary

  void

  Removes all of the mappings from this map.

  boolean

  Returns true if this map maps one or more keys to the specified value.

  Returns a

  Set

  view of the mappings contained in this map.

  Returns the value to which the specified key is mapped, or null if this map contains no mapping for the key.

  Returns a

  Set

  view of the keys contained in this map.

  Creates a new, empty, insertion-ordered LinkedHashMap suitable for the expected number of mappings.

  Inserts the given mapping into the map if it is not already present, or replaces the value of a mapping if it is already present (optional operation).

  Inserts the given mapping into the map if it is not already present, or replaces the value of a mapping if it is already present (optional operation).

  protected boolean

  Returns true if this map should remove its eldest entry.

  Returns a reverse-ordered

  view

  of this map.

  Returns a

  SequencedSet

  view of this map's

  entrySet

  .

  Returns a

  SequencedSet

  view of this map's

  keySet

  .

  Returns a

  SequencedCollection

  view of this map's

  values

  collection.

  Returns a

  Collection

  view of the values contained in this map.

  Methods declared in class java.util.HashMapclear, clone, compute, computeIfAbsent, computeIfPresent, containsKey, isEmpty, merge, newHashMap, put, putAll, remove, size Methods declared in interface java.util.Mapcompute, computeIfAbsent, computeIfPresent, containsKey, equals, forEach, getOrDefault, hashCode, isEmpty, merge, put, putAll, putIfAbsent, remove, remove, replace, replace, replaceAll, size

• Constructor Details
  • LinkedHashMap
  • LinkedHashMap
  • LinkedHashMap
  • LinkedHashMap
  • LinkedHashMap
• Method Details
  • putFirst
  • putLast
  • containsValue
  • get
  • clear
  • removeEldestEntry
  • keySet
  • sequencedKeySet
  • values
  • sequencedValues
  • entrySet
  • sequencedEntrySet
  • newLinkedHashMap
  • reversed

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