RFR: 8341372: BackgroundPosition, BorderImage, BorderStroke, CornerRadii should be final

[Michael Strauß]

On Tue, 1 Oct 2024 22:29:39 GMT, Andy Goryachev <angorya at openjdk.org> wrote:

> There might be a very narrow use case (like debugging) when developer might need to extend to supply a custom `toString()` or some other method.
> 
> From a high level design standpoint, I do agree with making these classes final.

Maybe, but that's not a sufficient reason to allow subclassing, as the same could be said for all cases of encapsuluation and inheritance control. Alternatives are:
1) Use the debugger to mark objects
2) Use a tool to change method definitions at runtime
3) Download OpenJFX and build it locally with the required changes

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PR Comment: https://git.openjdk.org/jfx/pull/1587#issuecomment-2387234029