RFR: 7903932: Make private static classes final and have a private constructor

[Jorn Vernee]

On Fri, 17 Jan 2025 07:41:53 GMT, Nizar Benalla <nbenalla at openjdk.org> wrote:

> Please review this patch to make static utility classes final with a private constructor, as they are not meant to be extended.
> 
> This is a small refractor of the generated code.
> 
> TIA

I'm sorry but, the main benefit of this change seems to be making ourselves feel good about following a pattern. I don't think doing this is worth the increased complexity in jextract, and the increased visual clutter in the output.

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PR Comment: https://git.openjdk.org/jextract/pull/274#issuecomment-2598333300