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Groups > comp.lang.java.programmer > #11361

Re: Blocks for scope control

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On 01/15/2012 09:57 AM, markspace wrote:
> On 1/15/2012 7:50 AM, Arved Sandstrom wrote:
>
>> I almost never see anyone else using these things this way.
>
>
> IMO, I dislike spurious and overused indentation in code, so that's likely why
> I shy away from "extra" use of braces.
>
> for( ...some code )
> {
>    do some init
>    {
>       do a little work
>       {
>          declare a temporary variable
>       }
>       {
>          declare another temporary variable
>       }
>       {
>          declare yet another temporary variable
>       }
>       {
>          declare still yet another temporary variable
>          {
>             declare a temporary variable inside
>             an anonymous block
>          }
>       }
>    }
> }
>
> vs. just one level of indentation, I believe I'd greatly prefer the latter,
> especially in the long run. And the above is with 3-4 spaces for indenting,
> imagine what it would look like with 8.

Since eight-space indentation violates the Java coding conventions it doesn't 
deserve consideration.  Code that indents eight spaces should be rejected in 
code review and brought into compliance.

<http://www.oracle.com/technetwork/java/codeconventions-136091.html#262>

But your larger point is valid, and you can just do this:

   for( ...some code )
   {
      do some init
      do a little work
      declare a temporary variable
      declare another temporary variable
      declare yet another temporary variable
      declare still yet another temporary variable
      declare a temporary variable inside
   }

The reason to go with the supposedly "extra" braces is to guarantee that a 
temporary variable is not re-used, but if a method is so long that that's a 
risk there's a good chance that it's too long.

And again I say, "anonymous block" makes no sense because blocks aren't named 
in the first place.

-- 
Lew
Honi soit qui mal y pense.
http://upload.wikimedia.org/wikipedia/commons/c/cf/Friz.jpg

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Blocks for scope control Arved Sandstrom <asandstrom3minus1@eastlink.ca> - 2012-01-15 11:50 -0400
  Re: Blocks for scope control Robert Klemme <shortcutter@googlemail.com> - 2012-01-15 17:10 +0100
  Re: Blocks for scope control Robert Klemme <shortcutter@googlemail.com> - 2012-01-15 17:32 +0100
    Re: Blocks for scope control Lew <noone@lewscanon.com> - 2012-01-15 11:21 -0800
    Re: Blocks for scope control Robert Klemme <shortcutter@googlemail.com> - 2012-01-16 07:59 +0100
  Re: Blocks for scope control markspace <-@.> - 2012-01-15 09:57 -0800
    Re: Blocks for scope control Lew <noone@lewscanon.com> - 2012-01-15 11:28 -0800
  Re: Blocks for scope control Lew <noone@lewscanon.com> - 2012-01-15 11:00 -0800
    Re: Blocks for scope control Arved Sandstrom <asandstrom3minus1@eastlink.ca> - 2012-01-15 17:49 -0400
      Re: Blocks for scope control Lew <noone@lewscanon.com> - 2012-01-15 15:45 -0800
        Re: Blocks for scope control Arved Sandstrom <asandstrom3minus1@eastlink.ca> - 2012-01-19 21:54 -0400
          Re: Blocks for scope control Robert Klemme <shortcutter@googlemail.com> - 2012-01-20 08:41 +0100
            Re: Blocks for scope control Lew <noone@lewscanon.com> - 2012-01-20 15:24 -0800
            Re: Blocks for scope control Arved Sandstrom <asandstrom3minus1@eastlink.ca> - 2012-01-20 19:30 -0400
              Re: Blocks for scope control Lew <noone@lewscanon.com> - 2012-01-20 15:54 -0800
      Re: Blocks for scope control Robert Klemme <shortcutter@googlemail.com> - 2012-01-16 07:55 +0100
        Re: Blocks for scope control Arved Sandstrom <asandstrom3minus1@eastlink.ca> - 2012-01-19 21:16 -0400
          Re: Blocks for scope control Robert Klemme <shortcutter@googlemail.com> - 2012-01-21 13:25 +0100
            Re: Blocks for scope control Arved Sandstrom <asandstrom3minus1@eastlink.ca> - 2012-01-21 10:41 -0400
              Re: Blocks for scope control Robert Klemme <shortcutter@googlemail.com> - 2012-01-22 13:03 +0100
  Re: Blocks for scope control Roedy Green <see_website@mindprod.com.invalid> - 2012-01-16 06:09 -0800
    Re: Blocks for scope control Henk van Voorthuijsen <voorth@xs4all.nl> - 2012-01-16 07:03 -0800
  Re: Blocks for scope control Arne Vajhøj <arne@vajhoej.dk> - 2012-01-17 18:43 -0500
  Re: Blocks for scope control Lew <noone@lewscanon.com> - 2012-01-20 11:05 -0800
  Re: Blocks for scope control Gene Wirchenko <genew@ocis.net> - 2012-01-20 12:11 -0800
  Re: Blocks for scope control Arne Vajhøj <arne@vajhoej.dk> - 2012-02-06 21:24 -0500

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