>> A nice advantage of that approach is that it's more likely to be >> accepted by standards bodies, I think. (In the standards discussions, >> the Blob is sometimes thought of as "immutable ByteArray".) > > I don't think there's much difference here as far as future > standardization goes. Is there any difference insofar as performance?
Well, without a builder you need to create a new blob instance at every step, rather than accumulating blob bytes in a possibly more efficient manner.
