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Re: automatically initialized to null?

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Mike Winter wrote:
> markspace wrote:
>> bob smith wrote:
>>> I always forget stuff like this…
>>>
>>> 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

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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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