# Uses of Class
java.nio.ByteBuffer

Packages that use ByteBuffer
Package
Description
com.sun.nio.sctp
A Java API for Stream Control Transport Protocol.
java.lang
Provides classes that are fundamental to the design of the Java programming language.
java.lang.module
Classes to support module descriptors and creating configurations of modules by means of resolution and service binding.
java.net.http
HTTP Client and WebSocket APIs
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.
java.nio.charset
Defines charsets, decoders, and encoders, for translating between bytes and Unicode characters.
java.nio.file.attribute
Interfaces and classes providing access to file and file system attributes.
java.security
Provides the classes and interfaces for the security framework.
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.
java.util.zip
Provides classes for reading and writing the standard ZIP and GZIP file formats.
javax.crypto
Provides the classes and interfaces for cryptographic operations.
javax.net.ssl
Provides classes for the secure socket package.
javax.smartcardio
Java™ Smart Card I/O API.
jdk.incubator.foreign
Classes to support low-level and efficient foreign memory/function access, directly from Java.
jdk.incubator.vector
Incubating Feature. Will be removed in a future release.

## Uses of ByteBuffer in com.sun.nio.sctp

Methods in com.sun.nio.sctp that return ByteBuffer
Modifier and Type
Method
Description
`abstract ByteBuffer`
SendFailedNotification.`buffer()`
Returns the data that was to be sent.
Methods in com.sun.nio.sctp with parameters of type ByteBuffer
Modifier and Type
Method
Description
`abstract <T> MessageInfo`
SctpChannel.`receive​(ByteBuffer dst, T attachment, NotificationHandler<T> handler)`
Receives a message into the given buffer and/or handles a notification.
`abstract <T> MessageInfo`
SctpMultiChannel.`receive​(ByteBuffer buffer, T attachment, NotificationHandler<T> handler)`
Receives a message and/or handles a notification via this channel.
`abstract int`
SctpChannel.`send​(ByteBuffer src, MessageInfo messageInfo)`
Sends a message via this channel.
`abstract int`
SctpMultiChannel.`send​(ByteBuffer buffer, MessageInfo messageInfo)`
Sends a message via this channel.

## Uses of ByteBuffer in java.lang

Methods in java.lang with parameters of type ByteBuffer
Modifier and Type
Method
Description
`protected Class<?>`
ClassLoader.`defineClass​(String name, ByteBuffer b, ProtectionDomain protectionDomain)`
Converts a `ByteBuffer` into an instance of class `Class`, with the given `ProtectionDomain`.

## Uses of ByteBuffer in java.lang.module

Methods in java.lang.module that return types with arguments of type ByteBuffer
Modifier and Type
Method
Description
`default Optional<ByteBuffer>`
ModuleReader.`read​(String name)`
Reads a resource, returning a byte buffer with the contents of the resource.
Methods in java.lang.module with parameters of type ByteBuffer
Modifier and Type
Method
Description
`static ModuleDescriptor`
ModuleDescriptor.`read​(ByteBuffer bb)`
Reads the binary form of a module declaration from a byte buffer as a module descriptor.
`static ModuleDescriptor`
ModuleDescriptor.`read​(ByteBuffer bb, Supplier<Set<String>> packageFinder)`
Reads the binary form of a module declaration from a byte buffer as a module descriptor.
`default void`
ModuleReader.`release​(ByteBuffer bb)`
Releases a byte buffer.

## Uses of ByteBuffer in java.net.http

Methods in java.net.http with type parameters of type ByteBuffer
Modifier and Type
Method
Description
`static <S extends Flow.Subscriber<? super List<ByteBuffer>>,​ T>
HttpResponse.BodyHandler<T>`
HttpResponse.BodyHandlers.`fromSubscriber​(S subscriber, Function<? super S,​? extends T> finisher)`
Returns a response body handler that returns a `BodySubscriber``<T>` obtained from `HttpResponse.BodySubscribers.fromSubscriber(Subscriber, Function)`, with the given `subscriber` and `finisher` function.
`static <S extends Flow.Subscriber<? super List<ByteBuffer>>,​ T>
HttpResponse.BodySubscriber<T>`
HttpResponse.BodySubscribers.`fromSubscriber​(S subscriber, Function<? super S,​? extends T> finisher)`
Returns a body subscriber that forwards all response body to the given `Flow.Subscriber`.
Methods in java.net.http that return types with arguments of type ByteBuffer
Modifier and Type
Method
Description
`static HttpResponse.BodyHandler<Flow.Publisher<List<ByteBuffer>>>`
HttpResponse.BodyHandlers.`ofPublisher()`
Returns a `BodyHandler<Publisher<List<ByteBuffer>>>` that creates a `BodySubscriber``<Publisher<List<ByteBuffer>>>` obtained from `BodySubscribers.ofPublisher()`.
`static HttpResponse.BodySubscriber<Flow.Publisher<List<ByteBuffer>>>`
HttpResponse.BodySubscribers.`ofPublisher()`
Returns a response subscriber which publishes the response body through a `Publisher<List<ByteBuffer>>`.
Methods in java.net.http with parameters of type ByteBuffer
Modifier and Type
Method
Description
`default CompletionStage<?>`
WebSocket.Listener.`onBinary​(WebSocket webSocket, ByteBuffer data, boolean last)`
A binary data has been received.
`default CompletionStage<?>`
WebSocket.Listener.`onPing​(WebSocket webSocket, ByteBuffer message)`
A Ping message has been received.
`default CompletionStage<?>`
WebSocket.Listener.`onPong​(WebSocket webSocket, ByteBuffer message)`
A Pong message has been received.
`CompletableFuture<WebSocket>`
WebSocket.`sendBinary​(ByteBuffer data, boolean last)`
Sends binary data with bytes from the given buffer.
`CompletableFuture<WebSocket>`
WebSocket.`sendPing​(ByteBuffer message)`
Sends a Ping message with bytes from the given buffer.
`CompletableFuture<WebSocket>`
WebSocket.`sendPong​(ByteBuffer message)`
Sends a Pong message with bytes from the given buffer.
Method parameters in java.net.http with type arguments of type ByteBuffer
Modifier and Type
Method
Description
`static HttpRequest.BodyPublisher`
HttpRequest.BodyPublishers.`fromPublisher​(Flow.Publisher<? extends ByteBuffer> publisher)`
Returns a request body publisher whose body is retrieved from the given `Flow.Publisher`.
`static HttpRequest.BodyPublisher`
HttpRequest.BodyPublishers.`fromPublisher​(Flow.Publisher<? extends ByteBuffer> publisher, long contentLength)`
Returns a request body publisher whose body is retrieved from the given `Flow.Publisher`.
`static HttpResponse.BodyHandler<Void>`
HttpResponse.BodyHandlers.`fromSubscriber​(Flow.Subscriber<? super List<ByteBuffer>> subscriber)`
Returns a response body handler that returns a `BodySubscriber``<Void>` obtained from `HttpResponse.BodySubscribers.fromSubscriber(Subscriber)`, with the given `subscriber`.
`static HttpResponse.BodySubscriber<Void>`
HttpResponse.BodySubscribers.`fromSubscriber​(Flow.Subscriber<? super List<ByteBuffer>> subscriber)`
Returns a body subscriber that forwards all response body to the given `Flow.Subscriber`.

## Uses of ByteBuffer in java.nio

Subclasses of ByteBuffer in java.nio
Modifier and Type
Class
Description
`class`
`MappedByteBuffer`
A direct byte buffer whose content is a memory-mapped region of a file.
Methods in java.nio that return ByteBuffer
Modifier and Type
Method
Description
`ByteBuffer`
ByteBuffer.`alignedSlice​(int unitSize)`
Creates a new byte buffer whose content is a shared and aligned subsequence of this buffer's content.
`static ByteBuffer`
ByteBuffer.`allocate​(int capacity)`
Allocates a new byte buffer.
`static ByteBuffer`
ByteBuffer.`allocateDirect​(int capacity)`
Allocates a new direct byte buffer.
`abstract ByteBuffer`
ByteBuffer.`asReadOnlyBuffer()`
Creates a new, read-only byte buffer that shares this buffer's content.
`ByteBuffer`
ByteBuffer.`clear()`
Clears this buffer.
`abstract ByteBuffer`
ByteBuffer.`compact()`
Compacts this buffer (optional operation).
`abstract ByteBuffer`
ByteBuffer.`duplicate()`
Creates a new byte buffer that shares this buffer's content.
`ByteBuffer`
ByteBuffer.`flip()`
Flips this buffer.
`ByteBuffer`
ByteBuffer.`get​(byte[] dst)`
Relative bulk get method.
`ByteBuffer`
ByteBuffer.`get​(byte[] dst, int offset, int length)`
Relative bulk get method.
`ByteBuffer`
ByteBuffer.`get​(int index, byte[] dst)`
Absolute bulk get method.
`ByteBuffer`
ByteBuffer.`get​(int index, byte[] dst, int offset, int length)`
Absolute bulk get method.
`ByteBuffer`
ByteBuffer.`limit​(int newLimit)`
Sets this buffer's limit.
`ByteBuffer`
ByteBuffer.`mark()`
Sets this buffer's mark at its position.
`ByteBuffer`
ByteBuffer.`order​(ByteOrder bo)`
Modifies this buffer's byte order.
`ByteBuffer`
ByteBuffer.`position​(int newPosition)`
Sets this buffer's position.
`abstract ByteBuffer`
ByteBuffer.`put​(byte b)`
Relative put method (optional operation).
`ByteBuffer`
ByteBuffer.`put​(byte[] src)`
Relative bulk put method (optional operation).
`ByteBuffer`
ByteBuffer.`put​(byte[] src, int offset, int length)`
Relative bulk put method (optional operation).
`abstract ByteBuffer`
ByteBuffer.`put​(int index, byte b)`
Absolute put method (optional operation).
`ByteBuffer`
ByteBuffer.`put​(int index, byte[] src)`
Absolute bulk put method (optional operation).
`ByteBuffer`
ByteBuffer.`put​(int index, byte[] src, int offset, int length)`
Absolute bulk put method (optional operation).
`ByteBuffer`
ByteBuffer.`put​(int index, ByteBuffer src, int offset, int length)`
Absolute bulk put method (optional operation).
`ByteBuffer`
ByteBuffer.`put​(ByteBuffer src)`
Relative bulk put method (optional operation).
`abstract ByteBuffer`
ByteBuffer.`putChar​(char value)`
Relative put method for writing a char value (optional operation).
`abstract ByteBuffer`
ByteBuffer.`putChar​(int index, char value)`
Absolute put method for writing a char value (optional operation).
`abstract ByteBuffer`
ByteBuffer.`putDouble​(double value)`
Relative put method for writing a double value (optional operation).
`abstract ByteBuffer`
ByteBuffer.`putDouble​(int index, double value)`
Absolute put method for writing a double value (optional operation).
`abstract ByteBuffer`
ByteBuffer.`putFloat​(float value)`
Relative put method for writing a float value (optional operation).
`abstract ByteBuffer`
ByteBuffer.`putFloat​(int index, float value)`
Absolute put method for writing a float value (optional operation).
`abstract ByteBuffer`
ByteBuffer.`putInt​(int value)`
Relative put method for writing an int value (optional operation).
`abstract ByteBuffer`
ByteBuffer.`putInt​(int index, int value)`
Absolute put method for writing an int value (optional operation).
`abstract ByteBuffer`
ByteBuffer.`putLong​(int index, long value)`
Absolute put method for writing a long value (optional operation).
`abstract ByteBuffer`
ByteBuffer.`putLong​(long value)`
Relative put method for writing a long value (optional operation).
`abstract ByteBuffer`
ByteBuffer.`putShort​(int index, short value)`
Absolute put method for writing a short value (optional operation).
`abstract ByteBuffer`
ByteBuffer.`putShort​(short value)`
Relative put method for writing a short value (optional operation).
`ByteBuffer`
ByteBuffer.`reset()`
Resets this buffer's position to the previously-marked position.
`ByteBuffer`
ByteBuffer.`rewind()`
Rewinds this buffer.
`abstract ByteBuffer`
ByteBuffer.`slice()`
Creates a new byte buffer whose content is a shared subsequence of this buffer's content.
`abstract ByteBuffer`
ByteBuffer.`slice​(int index, int length)`
Creates a new byte buffer whose content is a shared subsequence of this buffer's content.
`static ByteBuffer`
ByteBuffer.`wrap​(byte[] array)`
Wraps a byte array into a buffer.
`static ByteBuffer`
ByteBuffer.`wrap​(byte[] array, int offset, int length)`
Wraps a byte array into a buffer.
Methods in java.nio with parameters of type ByteBuffer
Modifier and Type
Method
Description
`int`
ByteBuffer.`compareTo​(ByteBuffer that)`
Compares this buffer to another.
`int`
ByteBuffer.`mismatch​(ByteBuffer that)`
Finds and returns the relative index of the first mismatch between this buffer and a given buffer.
`ByteBuffer`
ByteBuffer.`put​(int index, ByteBuffer src, int offset, int length)`
Absolute bulk put method (optional operation).
`ByteBuffer`
ByteBuffer.`put​(ByteBuffer src)`
Relative bulk put method (optional operation).

## Uses of ByteBuffer in java.nio.channels

Methods in java.nio.channels with parameters of type ByteBuffer
Modifier and Type
Method
Description
`Future<Integer>`
AsynchronousByteChannel.`read​(ByteBuffer dst)`
Reads a sequence of bytes from this channel into the given buffer.
`<A> void`
AsynchronousByteChannel.`read​(ByteBuffer dst, A attachment, CompletionHandler<Integer,​? super A> handler)`
Reads a sequence of bytes from this channel into the given buffer.
`abstract Future<Integer>`
AsynchronousFileChannel.`read​(ByteBuffer dst, long position)`
Reads a sequence of bytes from this channel into the given buffer, starting at the given file position.
`abstract <A> void`
AsynchronousFileChannel.`read​(ByteBuffer dst, long position, A attachment, CompletionHandler<Integer,​? super A> handler)`
Reads a sequence of bytes from this channel into the given buffer, starting at the given file position.
`abstract Future<Integer>`
AsynchronousSocketChannel.`read​(ByteBuffer dst)`
`abstract <A> void`
AsynchronousSocketChannel.`read​(ByteBuffer[] dsts, int offset, int length, long timeout, TimeUnit unit, A attachment, CompletionHandler<Long,​? super A> handler)`
Reads a sequence of bytes from this channel into a subsequence of the given buffers.
`abstract <A> void`
AsynchronousSocketChannel.`read​(ByteBuffer dst, long timeout, TimeUnit unit, A attachment, CompletionHandler<Integer,​? super A> handler)`
Reads a sequence of bytes from this channel into the given buffer.
`<A> void`
AsynchronousSocketChannel.`read​(ByteBuffer dst, A attachment, CompletionHandler<Integer,​? super A> handler)`
`abstract int`
DatagramChannel.`read​(ByteBuffer dst)`
Reads a datagram from this channel.
`long`
DatagramChannel.`read​(ByteBuffer[] dsts)`
Reads a datagram from this channel.
`abstract long`
DatagramChannel.`read​(ByteBuffer[] dsts, int offset, int length)`
Reads a datagram from this channel.
`abstract int`
FileChannel.`read​(ByteBuffer dst)`
Reads a sequence of bytes from this channel into the given buffer.
`long`
FileChannel.`read​(ByteBuffer[] dsts)`
Reads a sequence of bytes from this channel into the given buffers.
`abstract long`
FileChannel.`read​(ByteBuffer[] dsts, int offset, int length)`
Reads a sequence of bytes from this channel into a subsequence of the given buffers.
`abstract int`
FileChannel.`read​(ByteBuffer dst, long position)`
Reads a sequence of bytes from this channel into the given buffer, starting at the given file position.
`int`
ReadableByteChannel.`read​(ByteBuffer dst)`
Reads a sequence of bytes from this channel into the given buffer.
`long`
ScatteringByteChannel.`read​(ByteBuffer[] dsts)`
Reads a sequence of bytes from this channel into the given buffers.
`long`
ScatteringByteChannel.`read​(ByteBuffer[] dsts, int offset, int length)`
Reads a sequence of bytes from this channel into a subsequence of the given buffers.
`int`
SeekableByteChannel.`read​(ByteBuffer dst)`
Reads a sequence of bytes from this channel into the given buffer.
`abstract int`
SocketChannel.`read​(ByteBuffer dst)`
`long`
SocketChannel.`read​(ByteBuffer[] dsts)`
`abstract long`
SocketChannel.`read​(ByteBuffer[] dsts, int offset, int length)`
`abstract SocketAddress`
DatagramChannel.`receive​(ByteBuffer dst)`
Receives a datagram via this channel.
`abstract int`
DatagramChannel.`send​(ByteBuffer src, SocketAddress target)`
Sends a datagram via this channel.
`Future<Integer>`
AsynchronousByteChannel.`write​(ByteBuffer src)`
Writes a sequence of bytes to this channel from the given buffer.
`<A> void`
AsynchronousByteChannel.`write​(ByteBuffer src, A attachment, CompletionHandler<Integer,​? super A> handler)`
Writes a sequence of bytes to this channel from the given buffer.
`abstract Future<Integer>`
AsynchronousFileChannel.`write​(ByteBuffer src, long position)`
Writes a sequence of bytes to this channel from the given buffer, starting at the given file position.
`abstract <A> void`
AsynchronousFileChannel.`write​(ByteBuffer src, long position, A attachment, CompletionHandler<Integer,​? super A> handler)`
Writes a sequence of bytes to this channel from the given buffer, starting at the given file position.
`abstract Future<Integer>`
AsynchronousSocketChannel.`write​(ByteBuffer src)`
`abstract <A> void`
AsynchronousSocketChannel.`write​(ByteBuffer[] srcs, int offset, int length, long timeout, TimeUnit unit, A attachment, CompletionHandler<Long,​? super A> handler)`
Writes a sequence of bytes to this channel from a subsequence of the given buffers.
`abstract <A> void`
AsynchronousSocketChannel.`write​(ByteBuffer src, long timeout, TimeUnit unit, A attachment, CompletionHandler<Integer,​? super A> handler)`
Writes a sequence of bytes to this channel from the given buffer.
`<A> void`
AsynchronousSocketChannel.`write​(ByteBuffer src, A attachment, CompletionHandler<Integer,​? super A> handler)`
`abstract int`
DatagramChannel.`write​(ByteBuffer src)`
Writes a datagram to this channel.
`long`
DatagramChannel.`write​(ByteBuffer[] srcs)`
Writes a datagram to this channel.
`abstract long`
DatagramChannel.`write​(ByteBuffer[] srcs, int offset, int length)`
Writes a datagram to this channel.
`abstract int`
FileChannel.`write​(ByteBuffer src)`
Writes a sequence of bytes to this channel from the given buffer.
`long`
FileChannel.`write​(ByteBuffer[] srcs)`
Writes a sequence of bytes to this channel from the given buffers.
`abstract long`
FileChannel.`write​(ByteBuffer[] srcs, int offset, int length)`
Writes a sequence of bytes to this channel from a subsequence of the given buffers.
`abstract int`
FileChannel.`write​(ByteBuffer src, long position)`
Writes a sequence of bytes to this channel from the given buffer, starting at the given file position.
`long`
GatheringByteChannel.`write​(ByteBuffer[] srcs)`
Writes a sequence of bytes to this channel from the given buffers.
`long`
GatheringByteChannel.`write​(ByteBuffer[] srcs, int offset, int length)`
Writes a sequence of bytes to this channel from a subsequence of the given buffers.
`int`
SeekableByteChannel.`write​(ByteBuffer src)`
Writes a sequence of bytes to this channel from the given buffer.
`abstract int`
SocketChannel.`write​(ByteBuffer src)`
`long`
SocketChannel.`write​(ByteBuffer[] srcs)`
`abstract long`
SocketChannel.`write​(ByteBuffer[] srcs, int offset, int length)`
`int`
WritableByteChannel.`write​(ByteBuffer src)`
Writes a sequence of bytes to this channel from the given buffer.

## Uses of ByteBuffer in java.nio.charset

Methods in java.nio.charset that return ByteBuffer
Modifier and Type
Method
Description
`ByteBuffer`
Charset.`encode​(String str)`
Convenience method that encodes a string into bytes in this charset.
`ByteBuffer`
Charset.`encode​(CharBuffer cb)`
Convenience method that encodes Unicode characters into bytes in this charset.
`ByteBuffer`
CharsetEncoder.`encode​(CharBuffer in)`
Convenience method that encodes the remaining content of a single input character buffer into a newly-allocated byte buffer.
Methods in java.nio.charset with parameters of type ByteBuffer
Modifier and Type
Method
Description
`CharBuffer`
Charset.`decode​(ByteBuffer bb)`
Convenience method that decodes bytes in this charset into Unicode characters.
`CharBuffer`
CharsetDecoder.`decode​(ByteBuffer in)`
Convenience method that decodes the remaining content of a single input byte buffer into a newly-allocated character buffer.
`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.
`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.
`CoderResult`
CharsetEncoder.`flush​(ByteBuffer out)`
Flushes this encoder.
`protected CoderResult`
CharsetEncoder.`implFlush​(ByteBuffer out)`
Flushes this encoder.

## Uses of ByteBuffer in java.nio.file.attribute

Methods in java.nio.file.attribute with parameters of type ByteBuffer
Modifier and Type
Method
Description
`int`
UserDefinedFileAttributeView.`read​(String name, ByteBuffer dst)`
Read the value of a user-defined attribute into a buffer.
`int`
UserDefinedFileAttributeView.`write​(String name, ByteBuffer src)`
Writes the value of a user-defined attribute from a buffer.

## Uses of ByteBuffer in java.security

Methods in java.security with parameters of type ByteBuffer
Modifier and Type
Method
Description
`protected Class<?>`
SecureClassLoader.`defineClass​(String name, ByteBuffer b, CodeSource cs)`
Converts a `ByteBuffer` into an instance of class `Class`, with an optional CodeSource.
`protected void`
MessageDigestSpi.`engineUpdate​(ByteBuffer input)`
Update the digest using the specified ByteBuffer.
`protected void`
SignatureSpi.`engineUpdate​(ByteBuffer input)`
Updates the data to be signed or verified using the specified ByteBuffer.
`void`
MessageDigest.`update​(ByteBuffer input)`
Update the digest using the specified ByteBuffer.
`void`
Signature.`update​(ByteBuffer data)`
Updates the data to be signed or verified using the specified ByteBuffer.

## Uses of ByteBuffer in java.util

Methods in java.util that return ByteBuffer
Modifier and Type
Method
Description
`ByteBuffer`
Base64.Decoder.`decode​(ByteBuffer buffer)`
Decodes all bytes from the input byte buffer using the `Base64` encoding scheme, writing the results into a newly-allocated ByteBuffer.
`ByteBuffer`
Base64.Encoder.`encode​(ByteBuffer buffer)`
Encodes all remaining bytes from the specified byte buffer into a newly-allocated ByteBuffer using the `Base64` encoding scheme.
Methods in java.util with parameters of type ByteBuffer
Modifier and Type
Method
Description
`ByteBuffer`
Base64.Decoder.`decode​(ByteBuffer buffer)`
Decodes all bytes from the input byte buffer using the `Base64` encoding scheme, writing the results into a newly-allocated ByteBuffer.
`ByteBuffer`
Base64.Encoder.`encode​(ByteBuffer buffer)`
Encodes all remaining bytes from the specified byte buffer into a newly-allocated ByteBuffer using the `Base64` encoding scheme.
`static BitSet`
BitSet.`valueOf​(ByteBuffer bb)`
Returns a new bit set containing all the bits in the given byte buffer between its position and limit.

## Uses of ByteBuffer in java.util.zip

Methods in java.util.zip with parameters of type ByteBuffer
Modifier and Type
Method
Description
`int`
Deflater.`deflate​(ByteBuffer output)`
Compresses the input data and fills specified buffer with compressed data.
`int`
Deflater.`deflate​(ByteBuffer output, int flush)`
Compresses the input data and fills the specified buffer with compressed data.
`int`
Inflater.`inflate​(ByteBuffer output)`
Uncompresses bytes into specified buffer.
`void`
Deflater.`setDictionary​(ByteBuffer dictionary)`
Sets preset dictionary for compression.
`void`
Inflater.`setDictionary​(ByteBuffer dictionary)`
Sets the preset dictionary to the bytes in the given buffer.
`void`
Deflater.`setInput​(ByteBuffer input)`
Sets input data for compression.
`void`
Inflater.`setInput​(ByteBuffer input)`
Sets input data for decompression.
`void`
Adler32.`update​(ByteBuffer buffer)`
Updates the checksum with the bytes from the specified buffer.
`default void`
Checksum.`update​(ByteBuffer buffer)`
Updates the current checksum with the bytes from the specified buffer.
`void`
CRC32.`update​(ByteBuffer buffer)`
Updates the CRC-32 checksum with the bytes from the specified buffer.
`void`
CRC32C.`update​(ByteBuffer buffer)`
Updates the CRC-32C checksum with the bytes from the specified buffer.

## Uses of ByteBuffer in javax.crypto

Methods in javax.crypto with parameters of type ByteBuffer
Modifier and Type
Method
Description
`int`
Cipher.`doFinal​(ByteBuffer input, ByteBuffer output)`
Encrypts or decrypts data in a single-part operation, or finishes a multiple-part operation.
`protected int`
CipherSpi.`engineDoFinal​(ByteBuffer input, ByteBuffer output)`
Encrypts or decrypts data in a single-part operation, or finishes a multiple-part operation.
`protected int`
CipherSpi.`engineUpdate​(ByteBuffer input, ByteBuffer output)`
Continues a multiple-part encryption or decryption operation (depending on how this cipher was initialized), processing another data part.
`protected void`
MacSpi.`engineUpdate​(ByteBuffer input)`
Processes `input.remaining()` bytes in the ByteBuffer `input`, starting at `input.position()`.
`protected void`
CipherSpi.`engineUpdateAAD​(ByteBuffer src)`
Continues a multi-part update of the Additional Authentication Data (AAD).
`int`
Cipher.`update​(ByteBuffer input, ByteBuffer output)`
Continues a multiple-part encryption or decryption operation (depending on how this cipher was initialized), processing another data part.
`void`
Mac.`update​(ByteBuffer input)`
Processes `input.remaining()` bytes in the ByteBuffer `input`, starting at `input.position()`.
`void`
Cipher.`updateAAD​(ByteBuffer src)`
Continues a multi-part update of the Additional Authentication Data (AAD).

## Uses of ByteBuffer in javax.net.ssl

Methods in javax.net.ssl with parameters of type ByteBuffer
Modifier and Type
Method
Description
`SSLEngineResult`
SSLEngine.`unwrap​(ByteBuffer src, ByteBuffer dst)`
Attempts to decode SSL/TLS/DTLS network data into a plaintext application data buffer.
`SSLEngineResult`
SSLEngine.`unwrap​(ByteBuffer src, ByteBuffer[] dsts)`
Attempts to decode SSL/TLS/DTLS network data into a sequence of plaintext application data buffers.
`abstract SSLEngineResult`
SSLEngine.`unwrap​(ByteBuffer src, ByteBuffer[] dsts, int offset, int length)`
Attempts to decode SSL/TLS/DTLS network data into a subsequence of plaintext application data buffers.
`abstract SSLEngineResult`
SSLEngine.`wrap​(ByteBuffer[] srcs, int offset, int length, ByteBuffer dst)`
Attempts to encode plaintext bytes from a subsequence of data buffers into SSL/TLS/DTLS network data.
`SSLEngineResult`
SSLEngine.`wrap​(ByteBuffer[] srcs, ByteBuffer dst)`
Attempts to encode plaintext bytes from a sequence of data buffers into SSL/TLS/DTLS network data.
`SSLEngineResult`
SSLEngine.`wrap​(ByteBuffer src, ByteBuffer dst)`
Attempts to encode a buffer of plaintext application data into SSL/TLS/DTLS network data.

## Uses of ByteBuffer in javax.smartcardio

Methods in javax.smartcardio with parameters of type ByteBuffer
Modifier and Type
Method
Description
`abstract int`
CardChannel.`transmit​(ByteBuffer command, ByteBuffer response)`
Transmits the command APDU stored in the command ByteBuffer and receives the response APDU in the response ByteBuffer.
Constructors in javax.smartcardio with parameters of type ByteBuffer
Modifier
Constructor
Description
``
`CommandAPDU​(ByteBuffer apdu)`
Creates a CommandAPDU from the ByteBuffer containing the complete APDU contents (header and body).

## Uses of ByteBuffer in jdk.incubator.foreign

Methods in jdk.incubator.foreign that return ByteBuffer
Modifier and Type
Method
Description
`ByteBuffer`
MemorySegment.`asByteBuffer()`
Wraps this segment in a `ByteBuffer`.
Methods in jdk.incubator.foreign with parameters of type ByteBuffer
Modifier and Type
Method
Description
`static MemorySegment`
MemorySegment.`ofByteBuffer​(ByteBuffer bb)`
Creates a new confined buffer memory segment that models the memory associated with the given byte buffer.

## Uses of ByteBuffer in jdk.incubator.vector

Methods in jdk.incubator.vector with parameters of type ByteBuffer
Modifier and Type
Method
Description
`static ByteVector`
ByteVector.`fromByteBuffer​(VectorSpecies<Byte> species, ByteBuffer bb, int offset, ByteOrder bo)`
Loads a vector from a byte buffer starting at an offset into the byte buffer.
`static ByteVector`
ByteVector.`fromByteBuffer​(VectorSpecies<Byte> species, ByteBuffer bb, int offset, ByteOrder bo, VectorMask<Byte> m)`
Loads a vector from a byte buffer starting at an offset into the byte buffer and using a mask.
`static DoubleVector`
DoubleVector.`fromByteBuffer​(VectorSpecies<Double> species, ByteBuffer bb, int offset, ByteOrder bo)`
Loads a vector from a byte buffer starting at an offset into the byte buffer.
`static DoubleVector`
DoubleVector.`fromByteBuffer​(VectorSpecies<Double> species, ByteBuffer bb, int offset, ByteOrder bo, VectorMask<Double> m)`
Loads a vector from a byte buffer starting at an offset into the byte buffer and using a mask.
`static FloatVector`
FloatVector.`fromByteBuffer​(VectorSpecies<Float> species, ByteBuffer bb, int offset, ByteOrder bo)`
Loads a vector from a byte buffer starting at an offset into the byte buffer.
`static FloatVector`
FloatVector.`fromByteBuffer​(VectorSpecies<Float> species, ByteBuffer bb, int offset, ByteOrder bo, VectorMask<Float> m)`
Loads a vector from a byte buffer starting at an offset into the byte buffer and using a mask.
`static IntVector`
IntVector.`fromByteBuffer​(VectorSpecies<Integer> species, ByteBuffer bb, int offset, ByteOrder bo)`
Loads a vector from a byte buffer starting at an offset into the byte buffer.
`static IntVector`
IntVector.`fromByteBuffer​(VectorSpecies<Integer> species, ByteBuffer bb, int offset, ByteOrder bo, VectorMask<Integer> m)`
Loads a vector from a byte buffer starting at an offset into the byte buffer and using a mask.
`static LongVector`
LongVector.`fromByteBuffer​(VectorSpecies<Long> species, ByteBuffer bb, int offset, ByteOrder bo)`
Loads a vector from a byte buffer starting at an offset into the byte buffer.
`static LongVector`
LongVector.`fromByteBuffer​(VectorSpecies<Long> species, ByteBuffer bb, int offset, ByteOrder bo, VectorMask<Long> m)`
Loads a vector from a byte buffer starting at an offset into the byte buffer and using a mask.
`static ShortVector`
ShortVector.`fromByteBuffer​(VectorSpecies<Short> species, ByteBuffer bb, int offset, ByteOrder bo)`
Loads a vector from a byte buffer starting at an offset into the byte buffer.
`static ShortVector`
ShortVector.`fromByteBuffer​(VectorSpecies<Short> species, ByteBuffer bb, int offset, ByteOrder bo, VectorMask<Short> m)`
Loads a vector from a byte buffer starting at an offset into the byte buffer and using a mask.
`void`
ByteVector.`intoByteBuffer​(ByteBuffer bb, int offset, ByteOrder bo)`
Stores this vector into a byte buffer starting at an offset using explicit byte order.
`void`
ByteVector.`intoByteBuffer​(ByteBuffer bb, int offset, ByteOrder bo, VectorMask<Byte> m)`
Stores this vector into a byte buffer starting at an offset using explicit byte order and a mask.
`void`
DoubleVector.`intoByteBuffer​(ByteBuffer bb, int offset, ByteOrder bo)`
Stores this vector into a byte buffer starting at an offset using explicit byte order.
`void`
DoubleVector.`intoByteBuffer​(ByteBuffer bb, int offset, ByteOrder bo, VectorMask<Double> m)`
Stores this vector into a byte buffer starting at an offset using explicit byte order and a mask.
`void`
FloatVector.`intoByteBuffer​(ByteBuffer bb, int offset, ByteOrder bo)`
Stores this vector into a byte buffer starting at an offset using explicit byte order.
`void`
FloatVector.`intoByteBuffer​(ByteBuffer bb, int offset, ByteOrder bo, VectorMask<Float> m)`
Stores this vector into a byte buffer starting at an offset using explicit byte order and a mask.
`void`
IntVector.`intoByteBuffer​(ByteBuffer bb, int offset, ByteOrder bo)`
Stores this vector into a byte buffer starting at an offset using explicit byte order.
`void`
IntVector.`intoByteBuffer​(ByteBuffer bb, int offset, ByteOrder bo, VectorMask<Integer> m)`
Stores this vector into a byte buffer starting at an offset using explicit byte order and a mask.
`void`
LongVector.`intoByteBuffer​(ByteBuffer bb, int offset, ByteOrder bo)`
Stores this vector into a byte buffer starting at an offset using explicit byte order.
`void`
LongVector.`intoByteBuffer​(ByteBuffer bb, int offset, ByteOrder bo, VectorMask<Long> m)`
Stores this vector into a byte buffer starting at an offset using explicit byte order and a mask.
`void`
ShortVector.`intoByteBuffer​(ByteBuffer bb, int offset, ByteOrder bo)`
Stores this vector into a byte buffer starting at an offset using explicit byte order.
`void`
ShortVector.`intoByteBuffer​(ByteBuffer bb, int offset, ByteOrder bo, VectorMask<Short> m)`
Stores this vector into a byte buffer starting at an offset using explicit byte order and a mask.
`abstract void`
Vector.`intoByteBuffer​(ByteBuffer bb, int offset, ByteOrder bo)`
Stores this vector into a byte buffer starting at an offset using explicit byte order.
`abstract void`
Vector.`intoByteBuffer​(ByteBuffer bb, int offset, ByteOrder bo, VectorMask<E> m)`
Stores this vector into a byte buffer starting at an offset using explicit byte order and a mask.