Path: csiph.com!usenet.pasdenom.info!weretis.net!feeder4.news.weretis.net!eternal-september.org!feeder.eternal-september.org!mx04.eternal-september.org!.POSTED!not-for-mail From: Eric Sosman Newsgroups: comp.lang.java.programmer Subject: Re: automatically initialized to null? Date: Thu, 09 Aug 2012 14:34:21 -0400 Organization: A noiseless patient Spider Lines: 24 Message-ID: References: <286af465-25a1-4486-84ec-fe4d4adf6dd4@googlegroups.com> <6fb31c61-1c6a-4652-853b-86382deb4bcf@googlegroups.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Thu, 9 Aug 2012 18:34:24 +0000 (UTC) Injection-Info: mx04.eternal-september.org; posting-host="ffb8f7085759b339c1002252b48331a4"; logging-data="32536"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18ch+DcFV4FYz89pdHWSmwm" User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:14.0) Gecko/20120713 Thunderbird/14.0 In-Reply-To: <6fb31c61-1c6a-4652-853b-86382deb4bcf@googlegroups.com> Cancel-Lock: sha1:VcOlY67xYs2KNxK4V4DrFGuptSE= Xref: csiph.com comp.lang.java.programmer:17464 On 8/9/2012 12:12 PM, bob smith wrote: > On Wednesday, August 8, 2012 3:20:08 PM UTC-5, markspace wrote: >> On 8/8/2012 12:23 PM, bob smith wrote: >> >>> 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. And just about every noob >> tutorial and "Learn Java" book. But yes, all uninitialized static or >> instance fields and all arrays are set to null. Note this excludes >> local variables. > > Why does Eclipse seem to frequently tell me to explicitly initialize a reference to null? > > Is it kind of being paranoid? Did you see the part about "excludes local variables?" Maybe that's what Eclipse is complaining about, and not about class or instance fields, or array elements. -- Eric Sosman esosman@ieee-dot-org.invalid