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: "Mike Winter" Subject: Re: automatically initialized to null? Message-ID: <5023FE3D.56487.calajapr@time.synchro.net> X-Comment-To: markspace Newsgroups: comp.lang.java.programmer In-Reply-To: <5023FE3C.56486.calajapr@time.synchro.net> References: <5023FE3C.56486.calajapr@time.synchro.net> X-FTN-AREA: COMP.LANG.JAVA.PROGRAMMER X-FTN-MSGID: 1:261/38 40dd71de X-FTN-REPLY: 1:261/38 ddcf504e Content-Type: text/plain; charset=IBM437 Content-Transfer-Encoding: 8bit X-Gateway: time.synchro.net [Synchronet 3.16a-Win32 NewsLink 1.98] Lines: 34 Date: Thu, 09 Aug 2012 18:44:38 GMT NNTP-Posting-Host: 69.21.70.65 X-Complaints-To: news@tds.net X-Trace: newsreading01.news.tds.net 1344537878 69.21.70.65 (Thu, 09 Aug 2012 13:44:38 CDT) NNTP-Posting-Date: Thu, 09 Aug 2012 13:44:38 CDT Organization: tds.net Xref: csiph.com comp.lang.java.programmer:17538 To: markspace From: Mike Winter On 08/08/2012 21:20, markspace wrote: > On 8/8/2012 12:23 PM, 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 :-) -- Mike Winter Replace ".invalid" with ".uk" to reply by e-mail. --- 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