Package | Description |
---|---|
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.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, legacy collection classes, event model,
date and time facilities, internationalization, and miscellaneous utility
classes (a string tokenizer, a random-number generator, and a bit array).
|
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.
|
Modifier and Type | Method and Description |
---|---|
protected Class<?> |
ClassLoader.defineClass(String name,
ByteBuffer b,
ProtectionDomain protectionDomain)
Converts a
ByteBuffer
into an instance of class Class,
with an optional ProtectionDomain. |
Modifier and Type | Class and Description |
---|---|
class |
MappedByteBuffer
A direct byte buffer whose content is a memory-mapped region of a file.
|
Modifier and Type | Method and Description |
---|---|
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.
|
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.get(byte[] dst)
Relative bulk get method.
|
ByteBuffer |
ByteBuffer.get(byte[] dst,
int offset,
int length)
Relative bulk get method.
|
ByteBuffer |
ByteBuffer.order(ByteOrder bo)
Modifies this buffer's byte order.
|
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).
|
ByteBuffer |
ByteBuffer.put(ByteBuffer src)
Relative bulk put method (optional operation).
|
abstract ByteBuffer |
ByteBuffer.put(int index,
byte b)
Absolute 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).
|
abstract ByteBuffer |
ByteBuffer.slice()
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.
|
Modifier and Type | Method and Description |
---|---|
int |
ByteBuffer.compareTo(ByteBuffer that)
Compares this buffer to another.
|
ByteBuffer |
ByteBuffer.put(ByteBuffer src)
Relative bulk put method (optional operation).
|
Modifier and Type | Method and Description |
---|---|
Future<Integer> |
AsynchronousByteChannel.read(ByteBuffer dst)
Reads a sequence of bytes from this channel into the given buffer.
|
abstract Future<Integer> |
AsynchronousSocketChannel.read(ByteBuffer dst) |
abstract int |
FileChannel.read(ByteBuffer dst)
Reads a sequence of bytes from this channel into the given buffer.
|
int |
ReadableByteChannel.read(ByteBuffer dst)
Reads a sequence of bytes from this channel into the given buffer.
|
abstract int |
DatagramChannel.read(ByteBuffer dst)
Reads a datagram from this channel.
|
int |
SeekableByteChannel.read(ByteBuffer dst)
Reads a sequence of bytes from this channel into the given buffer.
|
abstract int |
SocketChannel.read(ByteBuffer dst) |
long |
ScatteringByteChannel.read(ByteBuffer[] dsts)
Reads a sequence of bytes from this channel into the given buffers.
|
long |
FileChannel.read(ByteBuffer[] dsts)
Reads a sequence of bytes from this channel into the given buffers.
|
long |
DatagramChannel.read(ByteBuffer[] dsts)
Reads a datagram from this channel.
|
long |
SocketChannel.read(ByteBuffer[] dsts) |
long |
ScatteringByteChannel.read(ByteBuffer[] dsts,
int offset,
int length)
Reads a sequence of bytes from this channel into a subsequence of 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 long |
DatagramChannel.read(ByteBuffer[] dsts,
int offset,
int length)
Reads a datagram from this channel.
|
abstract long |
SocketChannel.read(ByteBuffer[] dsts,
int offset,
int length) |
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.
|
<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.
|
<A> void |
AsynchronousSocketChannel.read(ByteBuffer dst,
A attachment,
CompletionHandler<Integer,? super A> handler) |
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.
|
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 <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.
|
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.
|
abstract Future<Integer> |
AsynchronousSocketChannel.write(ByteBuffer src) |
int |
WritableByteChannel.write(ByteBuffer src)
Writes a sequence of bytes to this channel from the given buffer.
|
abstract int |
FileChannel.write(ByteBuffer src)
Writes a sequence of bytes to this channel from the given buffer.
|
abstract int |
DatagramChannel.write(ByteBuffer src)
Writes a datagram to this channel.
|
int |
SeekableByteChannel.write(ByteBuffer src)
Writes a sequence of bytes to this channel from the given buffer.
|
abstract int |
SocketChannel.write(ByteBuffer src) |
long |
FileChannel.write(ByteBuffer[] srcs)
Writes a sequence of bytes to this channel from the given buffers.
|
long |
GatheringByteChannel.write(ByteBuffer[] srcs)
Writes a sequence of bytes to this channel from the given buffers.
|
long |
DatagramChannel.write(ByteBuffer[] srcs)
Writes a datagram to this channel.
|
long |
SocketChannel.write(ByteBuffer[] srcs) |
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.
|
long |
GatheringByteChannel.write(ByteBuffer[] srcs,
int offset,
int length)
Writes a sequence of bytes to this channel from a subsequence of the
given buffers.
|
abstract long |
DatagramChannel.write(ByteBuffer[] srcs,
int offset,
int length)
Writes a datagram to this channel.
|
abstract long |
SocketChannel.write(ByteBuffer[] srcs,
int offset,
int length) |
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.
|
<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.
|
<A> void |
AsynchronousSocketChannel.write(ByteBuffer src,
A attachment,
CompletionHandler<Integer,? super A> handler) |
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.
|
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 <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.
|
Modifier and Type | Method and Description |
---|---|
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.
|
ByteBuffer |
Charset.encode(String str)
Convenience method that encodes a string into bytes in this charset.
|
Modifier and Type | Method and 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.
|
Modifier and Type | Method and 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.
|
Modifier and Type | Method and 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.
|
Modifier and Type | Method and 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. |
Modifier and Type | Method and 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.
|
Modifier and Type | Method and Description |
---|---|
void |
CRC32.update(ByteBuffer buffer)
Updates the checksum with the bytes from the specified buffer.
|
void |
Adler32.update(ByteBuffer buffer)
Updates the checksum with the bytes from the specified buffer.
|
Modifier and Type | Method and 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 void |
MacSpi.engineUpdate(ByteBuffer input)
Processes
input.remaining() bytes in the ByteBuffer
input , starting at input.position() . |
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 |
CipherSpi.engineUpdateAAD(ByteBuffer src)
Continues a multi-part update of the Additional Authentication
Data (AAD).
|
void |
Mac.update(ByteBuffer input)
Processes
input.remaining() bytes in the ByteBuffer
input , starting at input.position() . |
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 |
Cipher.updateAAD(ByteBuffer src)
Continues a multi-part update of the Additional Authentication
Data (AAD).
|
Modifier and Type | Method and Description |
---|---|
SSLEngineResult |
SSLEngine.unwrap(ByteBuffer src,
ByteBuffer dst)
Attempts to decode SSL/TLS network data into a plaintext
application data buffer.
|
SSLEngineResult |
SSLEngine.unwrap(ByteBuffer src,
ByteBuffer[] dsts)
Attempts to decode SSL/TLS network data into a sequence of plaintext
application data buffers.
|
SSLEngineResult |
SSLEngine.unwrap(ByteBuffer src,
ByteBuffer[] dsts)
Attempts to decode SSL/TLS 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 network data into a subsequence of
plaintext application data buffers.
|
abstract SSLEngineResult |
SSLEngine.unwrap(ByteBuffer src,
ByteBuffer[] dsts,
int offset,
int length)
Attempts to decode SSL/TLS network data into a subsequence of
plaintext application data buffers.
|
SSLEngineResult |
SSLEngine.wrap(ByteBuffer[] srcs,
ByteBuffer dst)
Attempts to encode plaintext bytes from a sequence of data
buffers into SSL/TLS network data.
|
SSLEngineResult |
SSLEngine.wrap(ByteBuffer[] srcs,
ByteBuffer dst)
Attempts to encode plaintext bytes from a sequence of data
buffers into SSL/TLS network data.
|
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 network data.
|
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 network data.
|
SSLEngineResult |
SSLEngine.wrap(ByteBuffer src,
ByteBuffer dst)
Attempts to encode a buffer of plaintext application data into
SSL/TLS network data.
|
Submit a bug or feature
For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
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