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

## Uses of Class
java.nio.MappedByteBuffer

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

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

    Methods in java.nio that return MappedByteBuffer
    Modifier and Type | Method | Description
    --- | --- | ---
    `MappedByteBuffer` | MappedByteBuffer.`force()` | Forces any changes made to this buffer's content to be written to the storage device containing the mapped file.
    `MappedByteBuffer` | MappedByteBuffer.`load()` | Loads this buffer's content into physical memory.

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

    Methods in java.nio.channels that return MappedByteBuffer
    Modifier and Type | Method | Description
    --- | --- | ---
    `abstract MappedByteBuffer` | FileChannel.`map​(FileChannel.MapMode mode, long position, long size)` | Maps a region of this channel's file directly into memory.