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

## Uses of Interface
java.nio.channels.ReadableByteChannel

- Packages that use ReadableByteChannel
  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.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).

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

    Subinterfaces of ReadableByteChannel in java.nio.channels
    Modifier and Type | Interface and Description
    --- | ---
    `interface` | `ByteChannel` A channel that can read and write bytes.
    `interface` | `ScatteringByteChannel` A channel that can read bytes into a sequence of buffers.
    `interface` | `SeekableByteChannel` A byte channel that maintains a current position and allows the position to be changed.

    Classes in java.nio.channels that implement ReadableByteChannel
    Modifier and Type | Class and Description
    --- | ---
    `class` | `DatagramChannel` A selectable channel for datagram-oriented sockets.
    `class` | `FileChannel` A channel for reading, writing, mapping, and manipulating a file.
    `static class` | `Pipe.SourceChannel` A channel representing the readable end of a `Pipe`.
    `class` | `SocketChannel` A selectable channel for stream-oriented connecting sockets.

    Methods in java.nio.channels that return ReadableByteChannel
    Modifier and Type | Method and Description
    --- | ---
    `static ReadableByteChannel` | Channels.`newChannel(InputStream in)` Constructs a channel that reads bytes from the given stream.

    Methods in java.nio.channels with parameters of type ReadableByteChannel
    Modifier and Type | Method and Description
    --- | ---
    `static InputStream` | Channels.`newInputStream(ReadableByteChannel ch)` Constructs a stream that reads bytes from the given channel.
    `static Reader` | Channels.`newReader(ReadableByteChannel ch, CharsetDecoder dec, int minBufferCap)` Constructs a reader that decodes bytes from the given channel using the given decoder.
    `static Reader` | Channels.`newReader(ReadableByteChannel ch, String csName)` Constructs a reader that decodes bytes from the given channel according to the named charset.
    `abstract long` | FileChannel.`transferFrom(ReadableByteChannel src, long position, long count)` Transfers bytes into this channel's file from the given readable byte channel.

  - ### Uses of ReadableByteChannel in java.util

    Constructors in java.util with parameters of type ReadableByteChannel
    Constructor and Description
    `Scanner(ReadableByteChannel source)` Constructs a new `Scanner` that produces values scanned from the specified channel.
    `Scanner(ReadableByteChannel source, String charsetName)` Constructs a new `Scanner` that produces values scanned from the specified channel.

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