State of the Java Style Guidelines document

Jim Graham james.graham at oracle.com
Thu Jul 27 20:39:26 UTC 2017


I've already said that I think it should be published.  I have an objection that I've noted just to keep it on the 
record (via broken record loop), but that wasn't a blocking objection...

			...jim

On 7/27/17 1:44 AM, Lars Francke wrote:
> Thanks for the feedback everyone!
> 
> I understand that people have different personal preferences various topics and we'll never be able to find one style 
> that accommodates all of them.
> 
> Just to explain what my personal motivation for this push is:
> Lots of open-source projects (I'm mostly working with the Big Data Apache projects) list the old Sun Code Conventions[1] 
> as the code style to follow. Unfortunately those haven't been updated in 20 years and they leave out lots of minor 
> details that have been clarified in the new version. So for me a revised version of this old document (with no/little 
> changes in the actual code style) would already be a huge benefit.
> 
> I'm not lobbying for these style guidelines to be adopted by every OpenJDK project (or any project in fact). I'd love 
> for those guidelines to be published as-is as "guidelines" that projects (outside of the OpenJDK as well) can adopt. 
> Nothing's stopping you (as is done in Apache projects frequently) to have your own guidelines "inherit" from these and 
> overwrite certain rules.
> 
>  >I'm sorry, I can't bring myself to reduce the readability of my code because the one person in charge had something 
> against a single additional line in the source base that would provide clarity...
> 
> People obviously have different opinions on readability and I'm not sure if it's a good idea to list alternative 
> versions for all contentious issues because it would make the whole document more or less meaningless. I think Jonathan 
> has a good point in that the guidelines already cater for differing styles and you could publish your own version for 
> the FX project that lists the points where you deviate from these guidelines.
> 
> A more procedural question though: Assuming we can find a document version that we all agree on. What would be needed to 
> publish it and who'd be the right person to do so?
> 
> Thank you,
> Lars
> 
> [1] <http://www.oracle.com/technetwork/java/codeconvtoc-136057.html>
> 
> On Wed, Jul 26, 2017 at 9:46 PM, Jim Graham <james.graham at oracle.com <mailto:james.graham at oracle.com>> wrote:
> 
>     Agreed, but this version is already in use in the code and was adopted by an entire group, though not the group that
>     the effort towards updating this document was based in.
> 
>     I had suggested it to the author.  It seemed to go nowhere and I don't believe it was presented in a poll that was
>     sent out asking for feedback on style variations so it never got the visibility I think it deserved.  There were
>     clear biases to ignore the input at the time and I thought it short-sighted.
> 
>     There are many areas where I disagree with the variant chosen, but will go with the flow, but this is one area where
>     I really don't get why the suggestion was ignored as I see it as superior in terms of maintainability on every
>     single front to what was documented - to the extent where I will always be non-compliant with the suggested form -
>     I'm sorry, I can't bring myself to reduce the readability of my code because the one person in charge had something
>     against a single additional line in the source base that would provide clarity...
> 
>                                      ...jim
> 
> 
>     On 7/26/17 12:30 PM, Jonathan Gibbons wrote:
> 
>         Religious wars are waged over lesser issues.
> 
>         I think it is presumptious to recommend a style for all Java code, but I do think it is reasonable to establish
>         coding guidelines for a specific code base, such as OpenJDK.  Even so, opinions will still differ, and there was
>         an attempt in Andreas' work to accommodate reasonable alternatives, with a general proviso of, "when editing
>         existing code that has a consistent style, try to conform to that style, and not slavishly conform to some
>         different standard."
> 
>         -- Jon
> 
> 
>         On 07/26/2017 12:21 PM, Jim Graham wrote:
> 
>             Sorry to sound like a broken record here - I think it should be published too, but... ;)
> 
>             If only it would adopt the convention used in much of 2D and FX of putting a brace on its own line after a
>             line-wrapped conditional/method declaration (preferably as the primary form, but even as an acceptable
>             alternative):
> 
>             public void longMethodNameUsedOnlyForIllustration(SomeLongClassName paramA,
>                                                                LongClassName paramB,
>                                                                int someOtherParam)
>                      throws OtherFormsAreUglySmileyFaceException
>             {
>                  ...
>             }
> 
>             provides the cleanest and clearest sight line to see where the body of the method/class/conditional starts...
> 
>             </broken record mode>
> 
>                              ...jim
> 
>             On 7/26/17 3:21 AM, Remi Forax wrote:
> 
>                 I agree with Lars,
>                 this should be published ASAP.
> 
>                 regards,
>                 Remi
> 
> 
> 
> 
>                 On July 26, 2017 8:41:29 AM GMT+02:00, Lars Francke <lars.francke at gmail.com
>                 <mailto:lars.francke at gmail.com>> wrote:
> 
>                     Hi everyone,
> 
>                     I've been following the work Andreas Lundblad has done on the new Java
>                     Style Guidelines[1]. I know that he's not with Oracle anymore but the
>                     draft
>                     looks good (and has done so for at least a year), I think all comments
>                     have
>                     been worked into it. Why has it not been published? Is anyone working
>                     on
>                     this, if yes, who?
> 
>                     I'd be happy to do any work needed to bring it to a final and published
>                     form if needed. But to me it looks ready to be published today (apart
>                     from
>                     a few minor issues I've reported to Andreas already).
> 
>                     The old code conventions from 1997 can really use an updated version.
> 
>                     Cheers,
>                     Lars
> 
> 
>                     [1] <http://cr.openjdk.java.net/~alundblad/styleguide/index-v6.html
>                     <http://cr.openjdk.java.net/~alundblad/styleguide/index-v6.html>>
> 
> 
> 
> 


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