Package-level declarations

An AsynchronousCloseException is thrown when the underlying channel for an I/O operation is closed by another thread.

A ByteChannel is both readable and writable.

A channel is a conduit to I/O services covering such items as files, sockets, hardware devices, I/O ports or some software component.

A ClosedByInterruptException is thrown when a thread is interrupted in a blocking I/O operation.

A ClosedChannelException is thrown when a channel is closed for the type of operation attempted.

A NonReadableChannelException is thrown when attempting to read from a channel that is not open for reading.

A NonWritableChannelException is thrown when attempting to write to a channel that is not open for writing.

A ReadableByteChannel is a type of Channel that can read bytes.

An interface for channels that keep a pointer to a current position within an underlying byte-based data source such as a file.

A WritableByteChannel is a type of Channel that can write bytes.