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  1. Java concurrency
  2. Overview

Concurrent collections

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Last updated 1 year ago

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Java Concurrent Utilities - JCU

List

  • CopyOnWriteArrayList: It will have two lists inside. Each time a write operation happens, a new copied list will be created for write operations. Read operations will be performed on the original list

Map

  • ConcurrentHashMap: key not ordered

  • ConcurrentSkiplistMap: key ordered

Set

  • CopyOnWriteArraySet

  • ConcurrentSkipListSet

Queue

Single end queue

  • Blocking queue:

    • ArrayBlockingQueue: array as inside queue

    • LinkedBlockingQueue: list as inside queue

    • SynchronousQueue: No queue inside

    • LinkedTransferQueue: combination of synchronousQueue and LinkedBlockingQueue

  • PriorityBlockingQueue

  • DelayQueue

Deque

  • BlockingDeque

  • ConcurrentLinkedQueue

  • ConcurrentLinkedDeque

Java Concurrent Utilities - JCU
List
Map
Set
Queue