# Uses of Class
java.nio.CharBuffer

Packages that use CharBuffer
Package
Description
java.io
Provides for system input and output through data streams, serialization and the file system.
java.lang
Provides classes that are fundamental to the design of the Java programming language.
java.nio
Defines buffers, which are containers for data, and provides an overview of the other NIO packages.
java.nio.charset
Defines charsets, decoders, and encoders, for translating between bytes and Unicode characters.

## Uses of CharBuffer in java.io

Methods in java.io with parameters of type CharBuffer
Modifier and Type
Method
Description
`int`
Reader.`read(CharBuffer target)`
Attempts to read characters into the specified character buffer.

## Uses of CharBuffer in java.lang

Methods in java.lang with parameters of type CharBuffer
Modifier and Type
Method
Description
`int`
Readable.`read(CharBuffer cb)`
Attempts to read characters into the specified character buffer.

## Uses of CharBuffer in java.nio

Classes in java.nio that implement interfaces with type arguments of type CharBuffer
Modifier and Type
Class
Description
`class`
`CharBuffer`
A char buffer.
Methods in java.nio that return CharBuffer
Modifier and Type
Method
Description
`static CharBuffer`
CharBuffer.`allocate(int capacity)`
Allocates a new char buffer.
`CharBuffer`
CharBuffer.`append(char c)`
Appends the specified char to this buffer (optional operation).
`CharBuffer`
CharBuffer.`append(CharSequence csq)`
Appends the specified character sequence to this buffer (optional operation).
`CharBuffer`
CharBuffer.`append(CharSequence csq, int start, int end)`
Appends a subsequence of the specified character sequence to this buffer (optional operation).
`abstract CharBuffer`
ByteBuffer.`asCharBuffer()`
Creates a view of this byte buffer as a char buffer.
`abstract CharBuffer`
CharBuffer.`asReadOnlyBuffer()`
Creates a new, read-only char buffer that shares this buffer's content.
`final CharBuffer`
CharBuffer.`clear()`
Clears this buffer.
`abstract CharBuffer`
CharBuffer.`compact()`
Compacts this buffer (optional operation).
`abstract CharBuffer`
CharBuffer.`duplicate()`
Creates a new char buffer that shares this buffer's content.
`final CharBuffer`
CharBuffer.`flip()`
Flips this buffer.
`CharBuffer`
CharBuffer.`get(char[] dst)`
Relative bulk get method.
`CharBuffer`
CharBuffer.`get(char[] dst, int offset, int length)`
Relative bulk get method.
`CharBuffer`
CharBuffer.`get(int index, char[] dst)`
Absolute bulk get method.
`CharBuffer`
CharBuffer.`get(int index, char[] dst, int offset, int length)`
Absolute bulk get method.
`final CharBuffer`
CharBuffer.`limit(int newLimit)`
Sets this buffer's limit.
`final CharBuffer`
CharBuffer.`mark()`
Sets this buffer's mark at its position.
`final CharBuffer`
CharBuffer.`position(int newPosition)`
Sets this buffer's position.
`abstract CharBuffer`
CharBuffer.`put(char c)`
Relative put method (optional operation).
`final CharBuffer`
CharBuffer.`put(char[] src)`
Relative bulk put method (optional operation).
`CharBuffer`
CharBuffer.`put(char[] src, int offset, int length)`
Relative bulk put method (optional operation).
`abstract CharBuffer`
CharBuffer.`put(int index, char c)`
Absolute put method (optional operation).
`CharBuffer`
CharBuffer.`put(int index, char[] src)`
Absolute bulk put method (optional operation).
`CharBuffer`
CharBuffer.`put(int index, char[] src, int offset, int length)`
Absolute bulk put method (optional operation).
`CharBuffer`
CharBuffer.`put(int index, CharBuffer src, int offset, int length)`
Absolute bulk put method (optional operation).
`final CharBuffer`
CharBuffer.`put(String src)`
Relative bulk put method (optional operation).
`CharBuffer`
CharBuffer.`put(String src, int start, int end)`
Relative bulk put method (optional operation).
`CharBuffer`
CharBuffer.`put(CharBuffer src)`
Relative bulk put method (optional operation).
`final CharBuffer`
CharBuffer.`reset()`
Resets this buffer's position to the previously-marked position.
`final CharBuffer`
CharBuffer.`rewind()`
Rewinds this buffer.
`abstract CharBuffer`
CharBuffer.`slice()`
Creates a new char buffer whose content is a shared subsequence of this buffer's content.
`abstract CharBuffer`
CharBuffer.`slice(int index, int length)`
Creates a new char buffer whose content is a shared subsequence of this buffer's content.
`abstract CharBuffer`
CharBuffer.`subSequence(int start, int end)`
Creates a new character buffer that represents the specified subsequence of this buffer, relative to the current position.
`static CharBuffer`
CharBuffer.`wrap(char[] array)`
Wraps a char array into a buffer.
`static CharBuffer`
CharBuffer.`wrap(char[] array, int offset, int length)`
Wraps a char array into a buffer.
`static CharBuffer`
CharBuffer.`wrap(CharSequence csq)`
Wraps a character sequence into a buffer.
`static CharBuffer`
CharBuffer.`wrap(CharSequence csq, int start, int end)`
Wraps a character sequence into a buffer.
Methods in java.nio with parameters of type CharBuffer
Modifier and Type
Method
Description
`int`
CharBuffer.`compareTo(CharBuffer that)`
Compares this buffer to another.
`int`
CharBuffer.`mismatch(CharBuffer that)`
Finds and returns the relative index of the first mismatch between this buffer and a given buffer.
`CharBuffer`
CharBuffer.`put(int index, CharBuffer src, int offset, int length)`
Absolute bulk put method (optional operation).
`CharBuffer`
CharBuffer.`put(CharBuffer src)`
Relative bulk put method (optional operation).
`int`
CharBuffer.`read(CharBuffer target)`
Attempts to read characters into the specified character buffer.

## Uses of CharBuffer in java.nio.charset

Methods in java.nio.charset that return CharBuffer
Modifier and Type
Method
Description
`final CharBuffer`
Charset.`decode(ByteBuffer bb)`
Convenience method that decodes bytes in this charset into Unicode characters.
`final CharBuffer`
CharsetDecoder.`decode(ByteBuffer in)`
Convenience method that decodes the remaining content of a single input byte buffer into a newly-allocated character buffer.
Methods in java.nio.charset with parameters of type CharBuffer
Modifier and Type
Method
Description
`final CoderResult`
CharsetDecoder.`decode(ByteBuffer in, CharBuffer out, boolean endOfInput)`
Decodes as many bytes as possible from the given input buffer, writing the results to the given output buffer.
`protected abstract CoderResult`
CharsetDecoder.`decodeLoop(ByteBuffer in, CharBuffer out)`
Decodes one or more bytes into one or more characters.
`final ByteBuffer`
Charset.`encode(CharBuffer cb)`
Convenience method that encodes Unicode characters into bytes in this charset.
`final ByteBuffer`
CharsetEncoder.`encode(CharBuffer in)`
Convenience method that encodes the remaining content of a single input character buffer into a newly-allocated byte buffer.
`final CoderResult`
CharsetEncoder.`encode(CharBuffer in, ByteBuffer out, boolean endOfInput)`
Encodes as many characters as possible from the given input buffer, writing the results to the given output buffer.
`protected abstract CoderResult`
CharsetEncoder.`encodeLoop(CharBuffer in, ByteBuffer out)`
Encodes one or more characters into one or more bytes.
`final CoderResult`
CharsetDecoder.`flush(CharBuffer out)`
Flushes this decoder.
`protected CoderResult`
CharsetDecoder.`implFlush(CharBuffer out)`
Flushes this decoder.