Path: csiph.com!newsfeed.hal-mli.net!feeder3.hal-mli.net!newsfeed.hal-mli.net!feeder1.hal-mli.net!border3.nntp.dca.giganews.com!border1.nntp.dca.giganews.com!nntp.giganews.com!news-out.readnews.com!transit3.readnews.com!news-out.news.tds.net!newsreading01.news.tds.net!53ab2750!not-for-mail From: "Arne Vajhøj" Subject: Re: hashCode Message-ID: <50269FD0.56646.calajapr@time.synchro.net> X-Comment-To: bob smith Newsgroups: comp.lang.java.programmer In-Reply-To: <50269FCE.56638.calajapr@time.synchro.net> References: <50269FCE.56638.calajapr@time.synchro.net> X-FTN-AREA: COMP.LANG.JAVA.PROGRAMMER X-FTN-MSGID: 1:261/38 04dd6eaa X-FTN-REPLY: 1:261/38 225e14ea Content-Type: text/plain; charset=IBM437 Content-Transfer-Encoding: 8bit X-Gateway: time.synchro.net [Synchronet 3.16a-Win32 NewsLink 1.98] Lines: 30 Date: Sat, 11 Aug 2012 18:17:53 GMT NNTP-Posting-Host: 69.21.70.65 X-Complaints-To: news@tds.net X-Trace: newsreading01.news.tds.net 1344709073 69.21.70.65 (Sat, 11 Aug 2012 13:17:53 CDT) NNTP-Posting-Date: Sat, 11 Aug 2012 13:17:53 CDT Organization: tds.net Xref: csiph.com comp.lang.java.programmer:17710 To: bob smith From: Arne Vajhoj On 8/10/2012 6:22 PM, bob smith wrote: > On Friday, August 10, 2012 11:34:28 AM UTC-5, Eric Sosman wrote: >> On 8/10/2012 11:47 AM, bob smith wrote: >>> Is it always technically correct to override the hashCode function like so: >>> @Override >>> public int hashCode() { >>> return 1; >>> } >>> Would it be potentially better if that was Object's implementation? >> >> Define "better." > > Better in the sense that you would never HAVE to override hashCode. > > Now, there are cases where you HAVE to override it, or your code is very broken. It is not broken. It will perform poorly in many cases. Arne --- BBBS/Li6 v4.10 Dada-1 * Origin: Prism bbs (1:261/38) --- Synchronet 3.16a-Win32 NewsLink 1.98 Time Warp of the Future BBS - telnet://time.synchro.net:24