On Fri, Apr 30, 2010 at 5:53 AM, Rakesh <[email protected]> wrote:

> Perhaps you are the only author of the code for all eternity then fine.
>
> However, if you write code in an environment where there are many
> developers who may have to maintain your code then I think you are
> doing them a dis-service.


On Fri, Apr 30, 2010 at 7:55 AM, Wildam Martin <[email protected]> wrote:

> From the practical point of view: Who cares
> of closures or whatever? My customers don't.


I think the argument for writing idiomatic Java for the sake of being
comprehensible to developers who deal with it after you're gone is
important. So is the fact that the end goal is to create something useful
that the customer is happy with. Of course we shouldn't write overly tricky
code which only we understand - that's just good development practice. Of
course the customer doesn't really care about the intricacies of how we
create their solution.

But, somewhat selfishly, *I* care about making my life easier and making the
code I have to live in every day more pleasant to work with. But that
self-interest directly benefits the customer when I'm more productive
because I'm actively interested in making my life easier and more fun. I'm
not in this line of work because I happen to be passionate about whatever
business app I'm writing at the moment - it's because I love code, and I
think it's good to be open to new ways to make things quicker, easier, and
ultimately more maintainable, even if that means not writing to the lowest
common denominator. There are far more bad-to-mediocre programmers out there
than there are proactive, interested ones who subscribe to mailing lists and
listen to podcasts, and there will always be some cost associated with
innovating - I've seen people write Java blissfully unaware that generics or
for-each exists until somebody more proactive brings that stuff into the
codebase. So I don't think it'll kill people to deal with a small amount of
evolution. But let's not sacrifice a bit of process improvement for the sake
of not shocking 9-5'ers.

More to Rakesh's point, I think maybe that's why a lot of people are
interested in moving to Scala et. al. Because while you can certainly write
more functional Java and incorporate useful idioms from other languages (and
if you want you can wait for the language to slowly evolve in a favorable
direction), coding *is* a social activity and it's probably more productive
to hang out in a social scene with like-minded people than to try to push
too much change on people who aren't that interested.

-Lyle

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