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Java™ Platform
Standard Ed. 6

Uses of Interface
java.util.Queue

Packages that use Queue
java.util Contains the collections framework, legacy collection classes, event model, date and time facilities, internationalization, and miscellaneous utility classes (a string tokenizer, a random-number generator, and a bit array). 
java.util.concurrent Utility classes commonly useful in concurrent programming. 
 

Uses of Queue in java.util
 

Subinterfaces of Queue in java.util
 interface Deque<E>
          A linear collection that supports element insertion and removal at both ends.
 

Classes in java.util that implement Queue
 class AbstractQueue<E>
          This class provides skeletal implementations of some Queue operations.
 class ArrayDeque<E>
          Resizable-array implementation of the Deque interface.
 class LinkedList<E>
          Linked list implementation of the List interface.
 class PriorityQueue<E>
          An unbounded priority queue based on a priority heap.
 

Methods in java.util that return Queue
static
<T> Queue<T>
Collections.asLifoQueue(Deque<T> deque)
          Returns a view of a Deque as a Last-in-first-out (Lifo) Queue.
 

Uses of Queue in java.util.concurrent
 

Subinterfaces of Queue in java.util.concurrent
 interface BlockingDeque<E>
          A Deque that additionally supports blocking operations that wait for the deque to become non-empty when retrieving an element, and wait for space to become available in the deque when storing an element.
 interface BlockingQueue<E>
          A Queue that additionally supports operations that wait for the queue to become non-empty when retrieving an element, and wait for space to become available in the queue when storing an element.
 

Classes in java.util.concurrent that implement Queue
 class ArrayBlockingQueue<E>
          A bounded blocking queue backed by an array.
 class ConcurrentLinkedQueue<E>
          An unbounded thread-safe queue based on linked nodes.
 class DelayQueue<E extends Delayed>
          An unbounded blocking queue of Delayed elements, in which an element can only be taken when its delay has expired.
 class LinkedBlockingDeque<E>
          An optionally-bounded blocking deque based on linked nodes.
 class LinkedBlockingQueue<E>
          An optionally-bounded blocking queue based on linked nodes.
 class PriorityBlockingQueue<E>
          An unbounded blocking queue that uses the same ordering rules as class PriorityQueue and supplies blocking retrieval operations.
 class SynchronousQueue<E>
          A blocking queue in which each insert operation must wait for a corresponding remove operation by another thread, and vice versa.
 


Java™ Platform
Standard Ed. 6

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For further API reference and developer documentation, see Java SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2008 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.

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