Uses of Class java.nio.Buffer (Java SE 12 & JDK 12 )

## 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.