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Groups > comp.lang.java.programmer > #19463
| From | "Peter J. Holzer" <hjp-usenet2@hjp.at> |
|---|---|
| Newsgroups | comp.lang.java.programmer |
| Subject | Re: Assigning void |
| Date | 2012-10-22 00:13 +0200 |
| Organization | LUGA |
| Message-ID | <slrnk88srt.q6b.hjp-usenet2@hrunkner.hjp.at> (permalink) |
| References | (7 earlier) <mn.6b2b7dca897be4d2.70216@a.com> <1gsagb5e23bgw.1v1kss3azi0d7$.dlg@40tude.net> <jo5jb4i4wtuh$.h5g0v7ha9x0m$.dlg@40tude.net> <slrnk87mr1.im0.hjp-usenet2@hrunkner.hjp.at> <1uzdh4wgruckd.17j0ybexezx6n$.dlg@40tude.net> |
On 2012-10-21 17:23, Peter Duniho <NpOeStPeAdM@NnOwSlPiAnMk.com> wrote: > On Sun, 21 Oct 2012 13:24:17 +0200, Peter J. Holzer wrote: >> On 2012-10-20 16:56, Peter Duniho <NpOeStPeAdM@NnOwSlPiAnMk.com> wrote: >>> On Sat, 20 Oct 2012 18:00:23 +0200, Joerg Meier wrote: >>>> On Sat, 13 Oct 2012 13:31:58 -0700, Wojtek wrote: >>>>> int compare = (a > b) ? 1 : (a < b) ? -1 : 0; [...might mean...] >>>> int compare = ((a > b) ? 1 : (a < b)) ? -1 : 0; >>> >>> It can't be that one. That expression doesn't compile, because the literal >>> "1" is not a boolean value, nor is "(a < b)" an integer value, and so "1 : >>> (a < b)" is not a valid portion of a ?: operator expression (i.e. the two >>> possible results don't match in type, nor are convertible to each other's >>> type). >> >> True. However, in C there is (was) no boolean type so the precedence >> could still be the wrong way around (requiring extra parentheses in >> Java). > > Huh? C != Java. Deficiencies in C don't cause problems in Java. Only > deficiencies in Java do (including those Java may have borrowed from > C...but that is not the case here). Yes, but the syntax originated in C and Java didn't change it. While Java did change some aspects (e.g., it allows assignments only at top of a statement expression, not nested within an expression), it didn't change the relative precedence or associativity of operators - it didn't even fix the priority of the bitwise logical operators (which dmr himself said was wrong in C (as Glen mentioned, it's wrong because the logical operators && and || were a later addition and by then they couldn't change an existing operator)). So if dmr had gotten ?: wrong, Java probably wouldn't have fixed that, either. hp -- _ | Peter J. Holzer | Deprecating human carelessness and |_|_) | Sysadmin WSR | ignorance has no successful track record. | | | hjp@hjp.at | __/ | http://www.hjp.at/ | -- Bill Code on asrg@irtf.org
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Assigning void Wojtek <nowhere@a.com> - 2012-10-12 22:54 -0700
Re: Assigning void Lew <lewbloch@gmail.com> - 2012-10-12 23:27 -0700
Re: Assigning void Wojtek <nowhere@a.com> - 2012-10-13 12:35 -0700
Re: Assigning void Eric Sosman <esosman@comcast-dot-net.invalid> - 2012-10-13 09:26 -0400
Re: Assigning void Donkey Hottie <donkey@fredriksson.dy.fi> - 2012-10-13 17:06 +0300
Re: Assigning void Jeff Higgins <jeff@invalid.invalid> - 2012-10-13 10:34 -0400
Re: Assigning void Wanja Gayk <brixomatic@yahoo.com> - 2012-10-13 22:33 +0200
Re: Assigning void Jeff Higgins <jeff@invalid.invalid> - 2012-10-13 17:34 -0400
Re: Assigning void Eric Sosman <esosman@comcast-dot-net.invalid> - 2012-10-13 17:45 -0400
Re: Assigning void Eric Sosman <esosman@comcast-dot-net.invalid> - 2012-10-13 21:35 -0400
Re: Assigning void Wanja Gayk <brixomatic@yahoo.com> - 2012-10-16 00:16 +0200
Re: Assigning void Jeff Higgins <jeff@invalid.invalid> - 2012-10-13 11:59 -0400
Re: Assigning void glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2012-10-13 17:05 +0000
Re: Assigning void Jeff Higgins <jeff@invalid.invalid> - 2012-10-13 14:26 -0400
Re: Assigning void markspace <-@.> - 2012-10-13 11:51 -0700
Re: Assigning void Jeff Higgins <jeff@invalid.invalid> - 2012-10-13 15:08 -0400
Re: Assigning void Wojtek <nowhere@a.com> - 2012-10-13 12:28 -0700
Re: Assigning void markspace <-@.> - 2012-10-13 12:42 -0700
Re: Assigning void Lew <lewbloch@gmail.com> - 2012-10-13 12:54 -0700
OT - Trolling Wojtek <nowhere@a.com> - 2012-10-13 14:16 -0700
Re: OT - Trolling Jeff Higgins <jeff@invalid.invalid> - 2012-10-13 18:09 -0400
Re: OT - Trolling Gene Wirchenko <genew@ocis.net> - 2012-10-14 18:47 -0700
Re: Assigning void Martin Gregorie <martin@address-in-sig.invalid> - 2012-10-13 20:28 +0000
Re: Assigning void Wojtek <nowhere@a.com> - 2012-10-13 13:31 -0700
Re: Assigning void Joerg Meier <joergmmeier@arcor.de> - 2012-10-20 18:00 +0200
Re: Assigning void Peter Duniho <NpOeStPeAdM@NnOwSlPiAnMk.com> - 2012-10-20 09:56 -0700
Re: Assigning void "Peter J. Holzer" <hjp-usenet2@hjp.at> - 2012-10-21 13:24 +0200
Re: Assigning void Peter Duniho <NpOeStPeAdM@NnOwSlPiAnMk.com> - 2012-10-21 10:23 -0700
Re: Assigning void "Peter J. Holzer" <hjp-usenet2@hjp.at> - 2012-10-22 00:13 +0200
Re: Assigning void Peter Duniho <NpOeStPeAdM@NnOwSlPiAnMk.com> - 2012-10-21 16:25 -0700
Re: Assigning void "Peter J. Holzer" <hjp-usenet2@hjp.at> - 2012-10-22 08:43 +0200
Re: Assigning void "Peter J. Holzer" <hjp-usenet2@hjp.at> - 2012-10-22 10:18 +0200
Re: Assigning void Peter Duniho <NpOeStPeAdM@NnOwSlPiAnMk.com> - 2012-10-22 08:14 -0700
Re: Assigning void glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2012-10-21 19:45 +0000
Re: Assigning void "Peter J. Holzer" <hjp-usenet2@hjp.at> - 2012-10-22 00:14 +0200
Re: Assigning void Lew <lewbloch@gmail.com> - 2012-10-13 12:44 -0700
Re: Assigning void Jukka Lahtinen <jtfjdehf@hotmail.com.invalid> - 2012-10-15 14:38 +0300
Re: Assigning void Lew <lewbloch@gmail.com> - 2012-10-15 09:11 -0700
Re: Assigning void Jeff Higgins <jeff@invalid.invalid> - 2012-10-13 15:03 -0400
Re: Assigning void glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2012-10-13 20:21 +0000
Re: Assigning void Lew <lewbloch@gmail.com> - 2012-10-13 12:38 -0700
Re: Assigning void markspace <-@.> - 2012-10-13 12:49 -0700
Re: Assigning void Lew <lewbloch@gmail.com> - 2012-10-13 13:03 -0700
Re: Assigning void Robert Klemme <shortcutter@googlemail.com> - 2012-10-14 14:09 +0200
Re: Assigning void Lew <lewbloch@gmail.com> - 2012-10-14 11:31 -0700
Re: Assigning void Jeff Higgins <jeff@invalid.invalid> - 2012-10-13 19:55 -0400
Re: Assigning void Jeff Higgins <jeff@invalid.invalid> - 2012-10-13 20:25 -0400
Re: Assigning void Jeff Higgins <jeff@invalid.invalid> - 2012-10-13 21:01 -0400
Re: Assigning void Gene Wirchenko <genew@ocis.net> - 2012-10-14 18:42 -0700
Re: Assigning void Roedy Green <see_website@mindprod.com.invalid> - 2012-10-14 00:51 -0700
Re: Assigning void Jeff Higgins <jeff@invalid.invalid> - 2012-10-14 10:40 -0400
Re: Assigning void Sven Köhler <remove-sven.koehler@gmail.com> - 2012-10-21 01:24 +0200
Re: Assigning void Wojtek <nowhere@a.com> - 2012-10-21 14:52 -0700
Re: Assigning void Eric Sosman <esosman@comcast-dot-net.invalid> - 2012-10-21 20:13 -0400
Re: Assigning void Wojtek <nowhere@a.com> - 2012-10-21 20:20 -0700
Re: Assigning void Sven Köhler <remove-sven.koehler@gmail.com> - 2012-10-22 11:12 +0200
Re: Assigning void Wanja Gayk <brixomatic@yahoo.com> - 2012-10-24 22:03 +0200
Re: Assigning void Eric Sosman <esosman@comcast-dot-net.invalid> - 2012-10-24 17:47 -0400
Re: Assigning void Wanja Gayk <brixomatic@yahoo.com> - 2012-10-25 01:02 +0200
Re: Assigning void Eric Sosman <esosman@comcast-dot-net.invalid> - 2012-10-24 20:21 -0400
Re: Assigning void Martin Gregorie <martin@address-in-sig.invalid> - 2012-10-25 20:04 +0000
(OT) Re: Assigning void Eric Sosman <esosman@comcast-dot-net.invalid> - 2012-10-25 16:31 -0400
Re: (OT) Re: Assigning void Martin Gregorie <martin@address-in-sig.invalid> - 2012-10-25 20:44 +0000
Re: Assigning void Arved Sandstrom <asandstrom2@eastlink.ca> - 2012-10-25 07:25 -0300
Re: Assigning void Lew <lewbloch@gmail.com> - 2012-10-25 11:12 -0700
Re: Assigning void Sven Köhler <remove-sven.koehler@gmail.com> - 2012-10-22 11:01 +0200
Re: Assigning void Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2012-10-23 00:38 +0200
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