RFR: 8358618: UnsupportedOperationException constructors javadoc is not clear [v3]

[Joe Darcy]

On Tue, 29 Jul 2025 15:00:11 GMT, Nizar Benalla <nbenalla at openjdk.org> wrote:

>> Please review this patch that extends the javadoc of `UnsupportedOperationException` no-arg constructor, to clear up that the detail message is null.
>
> Nizar Benalla has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Feedback from Alexey.

I think it is preferable for this PR to just update `UnsupportedOperationException` and leave any updates to `RuntimeException` to follow-up work.

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PR Comment: https://git.openjdk.org/jdk/pull/26533#issuecomment-3165941804