Writes the specified <code>byte</code> to this output stream.
<p>
The <code>write</code> method of <code>FilterOutputStream</code>
calls the <code>write</code> method of its underlying output stream,
that is, it performs {@code outputStream.write(b)}.
<p>
Implements the abstract {@code write} method of {@code OutputStream}.
@param b the <code>byte</code>.
@exception IOException if an I/O error occurs.
Writes the specified <code>byte</code> to this output stream. <p> The <code>write</code> method of <code>FilterOutputStream</code> calls the <code>write</code> method of its underlying output stream, that is, it performs {@code outputStream.write(b)}. <p> Implements the abstract {@code write} method of {@code OutputStream}.
@param b the <code>byte</code>. @exception IOException if an I/O error occurs.