# Uses of Interface
java.lang.Readable

Packages that use Readable
Package
Description
java.io
Provides for system input and output through data streams, serialization and the file system.
java.nio
Defines buffers, which are containers for data, and provides an overview of the other NIO packages.
java.util
Contains the collections framework, some internationalization support classes, a service loader, properties, random number generation, string parsing and scanning classes, base64 encoding and decoding, a bit array, and several miscellaneous utility classes.

## Uses of Readable in java.io

Classes in java.io that implement Readable
Modifier and Type
Class
Description
`class`
`BufferedReader`
Reads text from a character-input stream, buffering characters so as to provide for the efficient reading of characters, arrays, and lines.
`class`
`CharArrayReader`
This class implements a character buffer that can be used as a character-input stream.
`class`
`FileReader`
Reads text from character files using a default buffer size.
`class`
`FilterReader`
Abstract class for reading filtered character streams.
`class`
`InputStreamReader`
An InputStreamReader is a bridge from byte streams to character streams: It reads bytes and decodes them into characters using a specified `charset`.
`class`
`LineNumberReader`
A buffered character-input stream that keeps track of line numbers.
`class`
`PipedReader`
Piped character-input streams.
`class`
`PushbackReader`
A character-stream reader that allows characters to be pushed back into the stream.
`class`
`Reader`
Abstract class for reading character streams.
`class`
`StringReader`
A character stream whose source is a string.

## Uses of Readable in java.nio

Classes in java.nio that implement Readable
Modifier and Type
Class
Description
`class`
`CharBuffer`
A char buffer.

## Uses of Readable in java.util

Constructors in java.util with parameters of type Readable
Modifier
Constructor
Description
``
`Scanner(Readable source)`
Constructs a new `Scanner` that produces values scanned from the specified source.