Groups > comp.lang.java.programmer > #17576

Re: automatically initialized to null?

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From	bob smith <bob@coolfone.comze.com>
Newsgroups	comp.lang.java.programmer
Subject	Re: automatically initialized to null?
Date	Fri, 10 Aug 2012 08:53:43 -0700 (PDT)
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On Thursday, August 9, 2012 1:34:21 PM UTC-5, Eric Sosman wrote:
> 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

I missed that "excludes local variables" part.  I guess that's probably what it is.

Thread

automatically initialized to null? bob smith <bob@coolfone.comze.com> - 2012-08-08 12:23 -0700
  Re: automatically initialized to null? markspace <-@.> - 2012-08-08 13:20 -0700
    Re: automatically initialized to null? Mike Winter <usenet@michael-winter.me.invalid> - 2012-08-08 21:32 +0100
      Re: automatically initialized to null? Lew <lewbloch@gmail.com> - 2012-08-08 17:36 -0700
        Re: automatically initialized to null? Jim Gibson <jimsgibson@gmail.com> - 2012-08-08 18:06 -0700
    Re: automatically initialized to null? bob smith <bob@coolfone.comze.com> - 2012-08-09 09:12 -0700
      Re: automatically initialized to null? Eric Sosman <esosman@ieee-dot-org.invalid> - 2012-08-09 14:34 -0400
        Re: automatically initialized to null? bob smith <bob@coolfone.comze.com> - 2012-08-10 08:53 -0700
  Re: automatically initialized to null? Roedy Green <see_website@mindprod.com.invalid> - 2012-08-09 02:38 -0700

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