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Groups > comp.lang.java.programmer > #18655
| Newsgroups | comp.lang.java.programmer |
|---|---|
| Date | 2012-09-11 14:17 -0700 |
| References | <19af6b94-7a1e-4491-afb2-79782406f560@googlegroups.com> <k2o8sm$ve3$1@dont-email.me> |
| Message-ID | <fea53dab-0659-4f9f-af44-c181c4508aa1@googlegroups.com> (permalink) |
| Subject | Re: can't throw |
| From | Lew <lewbloch@gmail.com> |
Eric Sosman wrote:
> bob smith wrote:
>> Am I the only one who wanted to throw an Exception but couldn't because I was overriding
>> a method that threw nothing?
>
> Happens all the time.
>
>> In particular, I'm subclassing Thread and can't throw an Exception in the run method. I suspect this is a more general issue though.
>
> The usual answer is to throw some kind of RuntimeException,
> with the original Exception as its "cause." For example,
>
> void method() { // no "throws"
> try {
> somethingThatCanThrow();
> } catch (IOException ex) {
> throw new IllegalStateException(
> "Fertilizer on fan", ex);
> }
> }
>
>
> IllegalArgumentException and IllegalStateException are the
> wrappers I find myself using most; there are plenty of others,
> and of course you can implement your own RuntimeException subclass
> if nothing seems suitable to the situation.
>
> Some people, deeper thinkers than I, consider the whole
> business of checked exceptions a nuisance or a misfeature. The
Those people are mistaken.
> need for a dodge like the above can be seen as evidence for
> that viewpoint, but I don't find it overwhelmingly convincing.
Not even suggestive, much less convincing.
> In any event, that's Java As It Is And Is Likely To Remain, so
and for good reason.
> we've got to get used to it whether we sneer at it or not.
> Personally, I find it helpful that the compiler reminds me when
> I've forgotten to deal with a checked exception; the inconvenience
> of wrapping checked in unchecked exceptions seems a minor matter.
--
Lew
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can't throw bob smith <bob@coolfone.comze.com> - 2012-09-11 13:16 -0700
Re: can't throw markspace <-@.> - 2012-09-11 13:34 -0700
Re: can't throw Lew <lewbloch@gmail.com> - 2012-09-11 14:15 -0700
Re: can't throw Eric Sosman <esosman@ieee-dot-org.invalid> - 2012-09-11 17:02 -0400
Re: can't throw Lew <lewbloch@gmail.com> - 2012-09-11 14:17 -0700
Re: can't throw Arne Vajhøj <arne@vajhoej.dk> - 2012-09-11 21:21 -0400
Re: can't throw Peter Duniho <NpOeStPeAdM@NnOwSlPiAnMk.com> - 2012-09-11 21:59 -0700
Re: can't throw Gene Wirchenko <genew@ocis.net> - 2012-09-12 09:18 -0700
Re: can't throw Robert Klemme <shortcutter@googlemail.com> - 2012-09-12 19:09 +0200
Re: can't throw markspace <-@.> - 2012-09-12 10:56 -0700
Re: can't throw Arne Vajhøj <arne@vajhoej.dk> - 2012-09-12 18:36 -0400
Re: can't throw Gene Wirchenko <genew@ocis.net> - 2012-09-12 18:29 -0700
Re: can't throw Patricia Shanahan <pats@acm.org> - 2012-09-12 18:34 -0700
Re: can't throw Arne Vajhøj <arne@vajhoej.dk> - 2012-09-12 21:37 -0400
Re: can't throw Arne Vajhøj <arne@vajhoej.dk> - 2012-09-12 21:54 -0400
Re: can't throw Jim Janney <jjanney@shell.xmission.com> - 2012-09-12 11:27 -0600
Re: can't throw Arne Vajhøj <arne@vajhoej.dk> - 2012-09-12 18:24 -0400
Re: can't throw Peter Duniho <NpOeStPeAdM@NnOwSlPiAnMk.com> - 2012-09-13 22:20 -0700
Re: can't throw Gene Wirchenko <genew@ocis.net> - 2012-09-14 09:49 -0700
Re: can't throw Robert Klemme <shortcutter@googlemail.com> - 2012-09-14 20:50 +0200
Re: can't throw Lew <lewbloch@gmail.com> - 2012-09-14 13:02 -0700
Re: can't throw Gene Wirchenko <genew@ocis.net> - 2012-09-14 14:06 -0700
Re: can't throw Gene Wirchenko <genew@ocis.net> - 2012-09-14 13:16 -0700
Re: can't throw Robert Klemme <shortcutter@googlemail.com> - 2012-09-14 23:07 +0200
Re: can't throw Lew <lewbloch@gmail.com> - 2012-09-14 14:28 -0700
Re: can't throw Gene Wirchenko <genew@ocis.net> - 2012-09-16 20:04 -0700
Re: can't throw Arne Vajhøj <arne@vajhoej.dk> - 2012-09-12 18:16 -0400
Re: can't throw Lew <lewbloch@gmail.com> - 2012-09-12 23:15 -0700
Re: can't throw Leif Roar Moldskred <leifm@dimnakorr.com> - 2012-09-14 17:33 -0500
Re: can't throw Robert Klemme <shortcutter@googlemail.com> - 2012-09-16 15:46 +0200
Re: can't throw Leif Roar Moldskred <leifm@dimnakorr.com> - 2012-09-16 12:17 -0500
Re: can't throw Robert Klemme <shortcutter@googlemail.com> - 2012-09-16 22:36 +0200
Re: can't throw Gene Wirchenko <genew@ocis.net> - 2012-09-16 20:07 -0700
Re: can't throw Robert Klemme <shortcutter@googlemail.com> - 2012-09-17 07:41 +0200
Re: can't throw Gene Wirchenko <genew@ocis.net> - 2012-09-17 09:51 -0700
Re: can't throw Robert Klemme <shortcutter@googlemail.com> - 2012-09-17 21:00 +0200
Re: can't throw Gene Wirchenko <genew@ocis.net> - 2012-09-17 13:23 -0700
Re: can't throw Joerg Meier <joergmmeier@arcor.de> - 2012-09-17 18:52 +0200
Re: can't throw Lew <lewbloch@gmail.com> - 2012-09-17 11:22 -0700
Re: can't throw Leif Roar Moldskred <leifm@dimnakorr.com> - 2012-09-17 02:52 -0500
Re: can't throw Leif Roar Moldskred <leifm@dimnakorr.com> - 2012-09-17 02:39 -0500
Re: can't throw Robert Klemme <shortcutter@googlemail.com> - 2012-09-17 21:02 +0200
Re: can't throw markspace <-@.> - 2012-09-11 14:28 -0700
Re: can't throw Arne Vajhøj <arne@vajhoej.dk> - 2012-09-11 21:14 -0400
Re: can't throw Arne Vajhøj <arne@vajhoej.dk> - 2012-09-12 18:11 -0400
Re: can't throw Robert Klemme <shortcutter@googlemail.com> - 2012-09-12 08:31 +0200
Re: can't throw bob smith <bob@coolfone.comze.com> - 2012-09-12 11:40 -0700
Re: can't throw Eric Sosman <esosman@ieee-dot-org.invalid> - 2012-09-12 15:50 -0400
Re: can't throw Lew <lewbloch@gmail.com> - 2012-09-12 12:52 -0700
Re: can't throw Robert Klemme <shortcutter@googlemail.com> - 2012-09-12 23:24 +0200
Re: can't throw Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2012-09-12 15:10 -0700
Re: can't throw Robert Klemme <shortcutter@googlemail.com> - 2012-09-13 23:32 +0200
Re: can't throw Arne Vajhøj <arne@vajhoej.dk> - 2012-09-12 18:06 -0400
Re: can't throw Roedy Green <see_website@mindprod.com.invalid> - 2012-09-12 20:55 -0700
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