Uses of Class java.nio.channels.AsynchronousChannelGroup (Java Platform SE 8 )
Date: 2026-04-17

## Uses of Class
java.nio.channels.AsynchronousChannelGroup

- Packages that use AsynchronousChannelGroup
  Package | Description
  --- | ---
  java.nio.channels | Defines channels, which represent connections to entities that are capable of performing I/O operations, such as files and sockets; defines selectors, for multiplexed, non-blocking I/O operations.
  java.nio.channels.spi | Service-provider classes for the ``java.nio.channels`` package.

- - ### Uses of AsynchronousChannelGroup in java.nio.channels

    Methods in java.nio.channels that return AsynchronousChannelGroup
    Modifier and Type | Method and Description
    --- | ---
    `static AsynchronousChannelGroup` | AsynchronousChannelGroup.`withCachedThreadPool(ExecutorService executor, int initialSize)` Creates an asynchronous channel group with a given thread pool that creates new threads as needed.
    `static AsynchronousChannelGroup` | AsynchronousChannelGroup.`withFixedThreadPool(int nThreads, ThreadFactory threadFactory)` Creates an asynchronous channel group with a fixed thread pool.
    `static AsynchronousChannelGroup` | AsynchronousChannelGroup.`withThreadPool(ExecutorService executor)` Creates an asynchronous channel group with a given thread pool.

    Methods in java.nio.channels with parameters of type AsynchronousChannelGroup
    Modifier and Type | Method and Description
    --- | ---
    `static AsynchronousServerSocketChannel` | AsynchronousServerSocketChannel.`open(AsynchronousChannelGroup group)` Opens an asynchronous server-socket channel.
    `static AsynchronousSocketChannel` | AsynchronousSocketChannel.`open(AsynchronousChannelGroup group)` Opens an asynchronous socket channel.

  - ### Uses of AsynchronousChannelGroup in java.nio.channels.spi

    Methods in java.nio.channels.spi that return AsynchronousChannelGroup
    Modifier and Type | Method and Description
    --- | ---
    `abstract AsynchronousChannelGroup` | AsynchronousChannelProvider.`openAsynchronousChannelGroup(ExecutorService executor, int initialSize)` Constructs a new asynchronous channel group with the given thread pool.
    `abstract AsynchronousChannelGroup` | AsynchronousChannelProvider.`openAsynchronousChannelGroup(int nThreads, ThreadFactory threadFactory)` Constructs a new asynchronous channel group with a fixed thread pool.

    Methods in java.nio.channels.spi with parameters of type AsynchronousChannelGroup
    Modifier and Type | Method and Description
    --- | ---
    `abstract AsynchronousServerSocketChannel` | AsynchronousChannelProvider.`openAsynchronousServerSocketChannel(AsynchronousChannelGroup group)` Opens an asynchronous server-socket channel.
    `abstract AsynchronousSocketChannel` | AsynchronousChannelProvider.`openAsynchronousSocketChannel(AsynchronousChannelGroup group)` Opens an asynchronous socket channel.

Submit a bug or feature
For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
Copyright © 1993, 2026, Oracle and/or its affiliates. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.