AbstractQueue (Java SE 25 & JDK 25)

AbstractQueue (Java SE 25 & JDK 25)

Type Parameters:: E - the type of elements held in this queue

All Implemented Interfaces:: Iterable<E>, Collection<E>, Queue<E>

Direct Known Subclasses:: ArrayBlockingQueue, ConcurrentLinkedQueue, DelayQueue, LinkedBlockingDeque, LinkedBlockingQueue, LinkedTransferQueue, PriorityBlockingQueue, PriorityQueue, SynchronousQueue

Constructor Summary

Constructors

protected

Constructor for use by subclasses.
Method Summary

boolean

add(E e)

Inserts the specified element into this queue if it is possible to do so immediately without violating capacity restrictions, returning true upon success and throwing an IllegalStateException if no space is currently available.

boolean

Adds all of the elements in the specified collection to this queue.

void

clear()

Removes all of the elements from this queue.

element()

Retrieves, but does not remove, the head of this queue.

remove()

Retrieves and removes the head of this queue.

Methods declared in interface Collection

contains, containsAll, equals, hashCode, isEmpty, iterator, parallelStream, remove, removeAll, removeIf, retainAll, size, spliterator, stream, toArray, toArray, toArray

Constructor Details
- AbstractQueue
Method Details
- add
- remove
- element
- clear
- addAll