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Java Uses of Class java.nio.ByteBuffer（JDK8）

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Java™ Platform
Standard Ed. 8
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Uses of Class
java.nio.ByteBuffer

  • Packages that use ByteBuffer 
    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.

    • Uses of ByteBuffer in java.lang

      Methods in java.lang with parameters of type ByteBuffer 
      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.

    • Uses of ByteBuffer in java.nio

      Subclasses of ByteBuffer in java.nio 
      Modifier and Type Class and 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 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.
      Methods in java.nio with parameters of type ByteBuffer 
      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).

    • Uses of ByteBuffer in java.nio.channels

      Methods in java.nio.channels with parameters of type ByteBuffer 
      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) 
      int SeekableByteChannel.read(ByteBuffer dst)
      Reads a sequence of bytes from this channel into the given buffer.
      abstract int FileChannel.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 ReadableByteChannel.read(ByteBuffer dst)
      Reads a sequence of bytes from this channel into the given buffer.
      abstract int SocketChannel.read(ByteBuffer dst) 
      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 ScatteringByteChannel.read(ByteBuffer[] dsts)
      Reads a sequence of bytes from this channel into the given buffers.
      long SocketChannel.read(ByteBuffer[] dsts) 
      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.
      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 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 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 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 <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 SeekableByteChannel.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 WritableByteChannel.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 DatagramChannel.write(ByteBuffer[] srcs)
      Writes a datagram to this channel.
      long GatheringByteChannel.write(ByteBuffer[] srcs)
      Writes a sequence of bytes to this channel from the given buffers.
      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.
      abstract long DatagramChannel.write(ByteBuffer[] srcs, int offset, int length)
      Writes a datagram to this channel.
      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 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 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 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 <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.

    • Uses of ByteBuffer in java.nio.charset

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

    • Uses of ByteBuffer in java.security

      Methods in java.security with parameters of type ByteBuffer 
      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 SignatureSpi.engineUpdate(ByteBuffer input)
      Updates the data to be signed or verified using the specified ByteBuffer.
      protected void MessageDigestSpi.engineUpdate(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.
      void MessageDigest.update(ByteBuffer input)
      Update the digest using the specified ByteBuffer.

    • Uses of ByteBuffer in java.util

      Methods in java.util that return 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.
      Methods in java.util with parameters of type 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.
      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 and Description
      void Adler32.update(ByteBuffer buffer)
      Updates the checksum with the bytes from the specified buffer.
      void CRC32.update(ByteBuffer buffer)
      Updates the 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 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).

    • Uses of ByteBuffer in javax.net.ssl

      Methods in javax.net.ssl with parameters of type ByteBuffer 
      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.
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