Closes the stream.

  Closes the stream. This method must be called
to release any resources associated with the
stream.
Throws:
- IOException - If an I/O error has occurred.

  Flushes the stream.

  Flushes the stream. This will write any buffered
output bytes.
Throws:
- IOException - If an I/O error has occurred.

  Writes an array of bytes.

  Writes an array of bytes. This method will block until the bytes
are actually written.
Parameters:
- b - the data to be written
Throws:
- IOException - If an I/O error has occurred.

  Writes a sub array of bytes.

  Writes a sub array of bytes.
Parameters:
- b - the data to be written
- off - the start offset in the data
- len - the number of bytes that are written
Throws:
- IOException - If an I/O error has occurred.

  Writes a byte.

  Writes a byte. This method will block until the byte is actually
written.
Parameters:
- b - the byte
Throws:
- IOException - If an I/O error has occurred.

  Write an object to the underlying storage or stream.

  Write an object to the underlying storage or stream. The
class that implements this interface defines how the object is
written.
Parameters:
- obj - the object to be written
Throws:
- IOException - Any of the usual Input/Output related exceptions.