Uses of Class java.nio.Buffer (Java Platform SE 8 )
Date: 2026-04-24

## Uses of Class
java.nio.Buffer

- Packages that use Buffer
  Package | Description
  --- | ---
  java.nio | Defines buffers, which are containers for data, and provides an overview of the other NIO packages.

- - ### Uses of Buffer in java.nio

    Subclasses of Buffer in java.nio
    Modifier and Type | Class and Description
    --- | ---
    `class` | `ByteBuffer` A byte buffer.
    `class` | `CharBuffer` A char buffer.
    `class` | `DoubleBuffer` A double buffer.
    `class` | `FloatBuffer` A float buffer.
    `class` | `IntBuffer` An int buffer.
    `class` | `LongBuffer` A long buffer.
    `class` | `MappedByteBuffer` A direct byte buffer whose content is a memory-mapped region of a file.
    `class` | `ShortBuffer` A short buffer.

    Methods in java.nio that return Buffer
    Modifier and Type | Method and Description
    --- | ---
    `Buffer` | Buffer.`clear()` Clears this buffer.
    `Buffer` | Buffer.`flip()` Flips this buffer.
    `Buffer` | Buffer.`limit(int newLimit)` Sets this buffer's limit.
    `Buffer` | Buffer.`mark()` Sets this buffer's mark at its position.
    `Buffer` | Buffer.`position(int newPosition)` Sets this buffer's position.
    `Buffer` | Buffer.`reset()` Resets this buffer's position to the previously-marked position.
    `Buffer` | Buffer.`rewind()` Rewinds this buffer.

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