void sendBytes ( final Socket sock ) throws IOException {
        @SuppressWarnings ( "resource" )
        OutputStream out = sock.getOutputStream();
        byte[] buf = new byte[this.bytesSent];
        for ( int i = 0; i < this.bytesSent; i++ ) {
            buf[ i ] = (byte) ( i + 'A' );
        }
        out.write(buf);
        out.flush();
    }