Re: Polymorphism Downsides

topmind wrote:
Craig Vermeer wrote:

Thus, before I fork over the money and time for such a book, I shall
request some specifics about what to look for and what to compare and
what kind of metric you are using. Does the author provide the
comparison and metrics? If not, where do I get them from?

Nope, because the point of his book wasn't to compare OO and procedural
programming as to which is 'better'. The book was about applying UML
and GOF patterns to software design and implementation.

Again, I don't question that OO based on UML can be made to run and
produce the correct output. But, that is not the issue at hand.
Assembly language can also be made to run and produce the correct
output. But, I don't want to program in assembly because my
productivity is low in it, both for creation and maintenance.

And I wasn't questioning your stance that procedural programming is 'better'. I was just trying to provide a data point that you may or may not have been aware of regarding examples of patterns in business software, and not trying to address all of the issues you raise in the larger debate. Again, the beauty of having a few thousand people listening in on the conversation is that anyone can jump in and contribute as little as they want :-D

I know _I_ write better software using OO than I did using procedural programming, but then again as I gained experience I moved toward OO, so it may be a chicken and egg thing where my additional experience is the main reason for better software. YMM(and obviously does)V.

(A lot of UML is more or less Entity-Relationship diagrams with
different symbols, I would note. Mirroring database schemas in
application code is poor abstraction and unnecessary duplication of
structure much of the time.)

I believe these are fair questions.


Thank you for your opinion.

-T-

.

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