Returns the integer which takes up the specified number
of bytes in this buffer as a BigInteger.
@param len the number of bytes to use.
@param makePositive whether to always return a positive value,
irrespective of actual encoding
@return the integer as a BigInteger.
Returns the integer which takes up the specified number of bytes in this buffer as a BigInteger. @param len the number of bytes to use. @param makePositive whether to always return a positive value, irrespective of actual encoding @return the integer as a BigInteger.