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

AbstractCollection (Java SE 24 & JDK 24)

Type Parameters:

E - the type of elements in this collection

All Implemented Interfaces:

Iterable<E>, Collection<E>

Direct Known Subclasses:

AbstractList, AbstractQueue, AbstractSet, ArrayDeque, ConcurrentLinkedDeque

• Constructor Summary

  Constructors

• Method Summary

  boolean

  Ensures that this collection contains the specified element (optional operation).

  boolean

  Adds all of the elements in the specified collection to this collection (optional operation).

  void

  Removes all of the elements from this collection (optional operation).

  boolean

  Returns true if this collection contains the specified element.

  boolean

  Returns true if this collection contains all of the elements in the specified collection.

  boolean

  Returns true if this collection contains no elements.

  Returns an iterator over the elements contained in this collection.

  boolean

  Removes a single instance of the specified element from this collection, if it is present (optional operation).

  boolean

  Removes all of this collection's elements that are also contained in the specified collection (optional operation).

  boolean

  Retains only the elements in this collection that are contained in the specified collection (optional operation).

  Returns an array containing all of the elements in this collection.

  <T> T[]

  Returns an array containing all of the elements in this collection; the runtime type of the returned array is that of the specified array.

  Returns a string representation of this collection.

• Constructor Details
  • AbstractCollection
• Method Details
  • iterator
  • isEmpty
  • contains
  • toArray
  • toArray
  • add
  • remove
  • containsAll
  • addAll
  • removeAll
  • retainAll
  • clear
  • toString

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