Creates a <code>BufferedInputStream</code> and saves its argument, the input stream <code>inputStream</code>, for later use. An internal buffer array is created and stored in <code>buf</code>.
@param inputStream the underlying input stream.
See Implementation
Creates a <code>BufferedInputStream</code> and saves its argument, the input stream <code>inputStream</code>, for later use. An internal buffer array is created and stored in <code>buf</code>.
@param inputStream the underlying input stream.