Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!news.glorb.com!news-out.readnews.com!transit4.readnews.com!news-out.news.tds.net!newsreading01.news.tds.net!53ab2750!not-for-mail From: "Gene Wirchenko" Subject: Re: multiple inheritance Message-ID: <501AC32C.55942.calajapr@time.synchro.net> X-Comment-To: markspace Newsgroups: comp.lang.java.programmer In-Reply-To: <501AC32B.55938.calajapr@time.synchro.net> References: <501AC32B.55938.calajapr@time.synchro.net> X-FTN-AREA: COMP.LANG.JAVA.PROGRAMMER X-FTN-MSGID: 1:261/38 129f5058 X-FTN-REPLY: 1:261/38 19bbfac1 Content-Type: text/plain; charset=IBM437 Content-Transfer-Encoding: 8bit X-Gateway: time.synchro.net [Synchronet 3.16a-Win32 NewsLink 1.98] Lines: 32 Date: Thu, 02 Aug 2012 19:12:00 GMT NNTP-Posting-Host: 69.21.70.65 X-Complaints-To: news@tds.net X-Trace: newsreading01.news.tds.net 1343934720 69.21.70.65 (Thu, 02 Aug 2012 14:12:00 CDT) NNTP-Posting-Date: Thu, 02 Aug 2012 14:12:00 CDT Organization: tds.net Xref: csiph.com comp.lang.java.programmer:16981 To: markspace From: Gene Wirchenko On Wed, 01 Aug 2012 20:07:58 -0700, markspace <-@.> wrote: >On 8/1/2012 7:28 PM, bob smith wrote: >> Why doesn't Java support multiple inheritance? >The diamond problem. I'm not really up on the details however. Such a lovely name. The link does go into enough detail to understand it. >I can tell you from hanging out on the lambda-dev list (Java 8 features) >that Brian Goetz has pushed back strongly on any sort of multiple >inheritance. Apparently the diamond problem is a real bear and >introduces real complexity into both the compiler and the user code that >can cause big problems in the long run. > >http://en.wikipedia.org/wiki/Diamond_problem It also has a number of different handlings in MI languages so there is not an obvious solution. Sincerely, Gene Wirchenko --- 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