Re: Exception Names

From:
=?ISO-8859-1?Q?Arne_Vajh=F8j?= <arne@vajhoej.dk>
Newsgroups:
comp.lang.java.programmer
Date:
Sat, 28 Mar 2009 21:54:07 -0400
Message-ID:
<49ced4bd$0$90267$14726298@news.sunsite.dk>
Mike Schilling wrote:

Lew wrote:

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.

Besides, there's nothing exceptional about reaching the end of a
stream. One would venture to say that one nearly always reaches the
end of a stream, *unless* something exceptional happens.


Right; the most Java-ish thing would be for Streams to be
iterator-like:

    while (stream.hasNext())
    {
        char c = stream.next();
    }

or even

    for (char c: stream)
    {
    }


1) performance would most likely not be good.
2) semantics could become very confusing - either hexNext
    would do the actual read or for some types of streams next
    could fail even ig hasNext returned true

Arne

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