# 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 | 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 | Description
--- | --- | ---
`Buffer` | Buffer.`clear()` | Clears this buffer.
`abstract Buffer` | Buffer.`duplicate()` | Creates a new buffer that shares this buffer's content.
`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.
`abstract Buffer` | Buffer.`slice()` | Creates a new buffer whose content is a shared subsequence of this buffer's content.
`abstract Buffer` | Buffer.`slice​(int index, int length)` | Creates a new buffer whose content is a shared subsequence of this buffer's content.