Re: Exception Names

From:
=?ISO-8859-1?Q?Arne_Vajh=F8j?= <arne@vajhoej.dk>
Newsgroups:
comp.lang.java.programmer
Date:
Sat, 28 Mar 2009 22:17:13 -0400
Message-ID:
<49ceda27$0$90269$14726298@news.sunsite.dk>
Tom Anderson wrote:

On Fri, 27 Mar 2009, rossum wrote:

On Fri, 27 Mar 2009 11:58:20 +0000, Tom Anderson
<twic@urchin.earth.li> wrote:

InputStream.read should throw an EOFException instead of returning -1 at
the end of a stream. Checking return values for special values is
goofy C
bullshit that we shouldn't be doing in the 21st century.


It may bee goofy but it is very likely to be a whole lot faster.
Throwing and catching an exception is probably going to be a lot
slower than checking the return value.


I don't believe it for a second, and even if it is true,


It depends on the bad ratio.

No bad cases means approx. same speed.

But all bad cases will decrease performance by a factor 10 by
using exceptions instead of return values.

                                                         it's not a good
enough reason.


I agree.

But as Lew pointed out end of stream is not exceptional, so good
programming practice is also against the exception.

Arne

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