Path: csiph.com!newsfeed.hal-mli.net!feeder3.hal-mli.net!newsfeed.hal-mli.net!feeder1.hal-mli.net!news.ripco.com!news-out.news.tds.net!newsreading01.news.tds.net!53ab2750!not-for-mail From: "Lew" Subject: Re: automatically initialized to null? Message-ID: <5023FE3E.56492.calajapr@time.synchro.net> X-Comment-To: Mike Winter Newsgroups: comp.lang.java.programmer In-Reply-To: <5023FE3D.56487.calajapr@time.synchro.net> References: <5023FE3D.56487.calajapr@time.synchro.net> X-FTN-AREA: COMP.LANG.JAVA.PROGRAMMER X-FTN-MSGID: 1:261/38 3a6438e7 X-FTN-REPLY: 1:261/38 40dd71de Content-Type: text/plain; charset=IBM437 Content-Transfer-Encoding: 8bit X-Gateway: time.synchro.net [Synchronet 3.16a-Win32 NewsLink 1.98] Lines: 38 Date: Thu, 09 Aug 2012 18:44:40 GMT NNTP-Posting-Host: 69.21.70.65 X-Complaints-To: news@tds.net X-Trace: newsreading01.news.tds.net 1344537880 69.21.70.65 (Thu, 09 Aug 2012 13:44:40 CDT) NNTP-Posting-Date: Thu, 09 Aug 2012 13:44:40 CDT Organization: tds.net Xref: csiph.com comp.lang.java.programmer:17543 To: Mike Winter From: Lew Mike Winter wrote: > markspace wrote: >> bob smith wrote: >>> I always forget stuff like thisa >>> >>> If I have >>> >>> Bitmap[] bmps = new Bitmap[256]; >>> >>> Are all 256 positions automatically initialized to null? > >> Yes. I'm sure that's in the JLS someplace. > > "[If] there is no array initializer, and [...] a single [array > dimension expression] appears, a one-dimensional array is created > of the specified length, and each component of the array is > initialized to its default value ($4.12.5)." > -- 15.10.1 Run-time evaluation of Array Creation Expressions > > "For all reference types ($4.3), the default value is null." > -- 4.12.5 Initial Values of Variables > > :-) See? The JLS is easy to use and very authoritative, and highly useful. Pllptpptt! to the naysayers. -- Lew --- 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