java LinkedBlockingqueue
时间: 2024-05-21 09:11:04 浏览: 11
LinkedBlockingQueue is a class in Java that implements the BlockingQueue interface. It is an implementation of a queue with a linked list data structure. The LinkedBlockingQueue class is used to implement producer-consumer design patterns where producers add elements to the queue, and consumers remove elements from the queue.
The LinkedBlockingQueue has the following characteristics:
- It is thread-safe and can be used in a multi-threaded environment.
- It has an optional capacity limit that can be specified during initialization.
- If the capacity limit is not specified, the queue can grow indefinitely.
- If the queue is full, any attempt to add an element to the queue will block until space becomes available.
- If the queue is empty, any attempt to remove an element from the queue will block until an element becomes available.
Some of the methods available in the LinkedBlockingQueue class include:
- add(E e): Adds an element to the queue, throwing an exception if the queue is full.
- offer(E e): Adds an element to the queue, returning false if the queue is full.
- put(E e): Adds an element to the queue, blocking until space becomes available.
- take(): Removes and returns an element from the queue, blocking until an element becomes available.
- poll(long timeout, TimeUnit unit): Removes and returns an element from the queue, waiting up to the specified time if necessary for an element to become available.
Overall, LinkedBlockingQueue is a very useful class in Java for implementing thread-safe queues in multi-threaded environments.
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