RFR: 8328746: Remove unused imports in demo apps

[Nir Lisker]

On Thu, 21 Mar 2024 21:50:37 GMT, Andy Goryachev <angorya at openjdk.org> wrote:

> Using Eclipse IDE to remove unused imports in **demo apps** (3D, Ensemble, etc.) and update the copyright year to 2024. Using wildcard for more than 10 static imports.
> 
> 
> --
> 
> This is a trivial change (though fairly large), 1 reviewer is probably enough.

I find it helpful to separate the imports by their high-level domain name, "java.", "javafx.", "com." etc. It makes it easier to see the "span" or requirements of the class.

-------------

PR Comment: https://git.openjdk.org/jfx/pull/1420#issuecomment-2022856424