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Added in API level 1

package

java.nio.channels

Interfaces

ByteChannel	A ByteChannel is both readable and writable.
Channel	A channel is a conduit to I/O services covering such items as files, sockets, hardware devices, I/O ports or some software component.
GatheringByteChannel	The interface for channels that can write a set of buffers in a single operation.
InterruptibleChannel	Channels that implement this interface can be asynchronously closed and interrupted.
ReadableByteChannel	A `ReadableByteChannel` is a type of `Channel` that can read bytes.
ScatteringByteChannel	The interface for channels that can read data into a set of buffers in a single operation.
WritableByteChannel	A `WritableByteChannel` is a type of `Channel` that can write bytes.

Classes

Channels	This class provides several utilities to get I/O streams from channels.
DatagramChannel	A `DatagramChannel` is a selectable channel that represents a partial abstraction of a datagram socket.
FileChannel	An abstract channel type for interaction with a platform file.
FileChannel.MapMode	`MapMode` defines file mapping mode constants.
FileLock	A `FileLock` represents a locked region of a file.
Pipe	A pipe contains two channels, forming a unidirectional pipe.
Pipe.SinkChannel	Writable sink channel used to write to a pipe.
Pipe.SourceChannel	Readable source channel used to read from a pipe.
SelectableChannel	A channel that can be used with a `Selector`.
SelectionKey	A `SelectionKey` represents the relationship between a channel and a selector for which the channel is registered.
Selector	A controller for the selection of `SelectableChannel` objects.
ServerSocketChannel	A `ServerSocketChannel` is a partial abstraction of a selectable, stream-oriented listening socket.
SocketChannel	A `SocketChannel` is a selectable channel that provides a partial abstraction of stream connecting socket.

Exceptions

AlreadyConnectedException	An `AlreadyConnectedException` is thrown when an attempt is made to connect a SocketChannel that is already connected.
AsynchronousCloseException	An `AsynchronousCloseException` is thrown when the underlying channel for an I/O operation is closed by another thread.
CancelledKeyException	A `CancelledKeyException` is thrown when an invalid selection key is used.
ClosedByInterruptException	A `ClosedByInterruptException` is thrown when a thread is interrupted in a blocking I/O operation.
ClosedChannelException	A `ClosedChannelException` is thrown when a channel is closed for the type of operation attempted.
ClosedSelectorException	A `ClosedSelectorException` is thrown when a `selector` is closed and an I/O operation is attempted.
ConnectionPendingException	A `ConnectionPendingException` is thrown when an attempt is made to connect a `SocketChannel` that has a non-blocking connection already underway.
FileLockInterruptionException	A `FileLockInterruptionException` is thrown when a thread is interrupted while waiting to acquire a file lock.
IllegalBlockingModeException	An `IllegalBlockingModeException` is thrown when an operation that requires a specific blocking mode is invoked on a channel that is in a different blocking mode.
IllegalSelectorException	An `IllegalSelectorException` is thrown when a call is made to register a channel on a selector that has been created by a different provider.
NoConnectionPendingException	A `NoConnectionPendingException` is thrown if `SocketChannel`'s `finishConnect` method is called before the `SocketChannel`'s `connect(java.net.SocketAddress)` connect} method completed without error.
NonReadableChannelException	A `NonReadableChannelException` is thrown when attempting to read from a channel that is not open for reading.
NonWritableChannelException	A `NonWritableChannelException` is thrown when attempting to write to a channel that is not open for writing.
NotYetBoundException	A `NotYetBoundException` is thrown if the server socket channel is not bound before an I/O operation is made.
NotYetConnectedException	A `NotYetConnectedException` is thrown if the socket channel is not connected before an I/O operation is invoked.
OverlappingFileLockException	An `OverlappingFileLockException` is thrown when attempting to acquire a lock that overlaps an existing or pending lock held by this process.
UnresolvedAddressException	An `UnresolvedAddressException` is thrown when trying to use an unresolved network address in a network operation.
UnsupportedAddressTypeException	An `UnsupportedAddressTypeException` is thrown when connecting or binding to an unsupported address type.

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