RFR: 8375561: Class NGGroup is in need of some cleanup [v4]

[Andy Goryachev]

On Thu, 22 Jan 2026 17:04:26 GMT, Christopher Schnick <duke at openjdk.org> wrote:

>> This should improve the code quality of the class while preserving its original workings
>
> Christopher Schnick has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Remove unused imports

given the clarification provided by @kevinrushforth (thanks!), it seems we can safely remove the try-catch block and the comment about concurrent access.

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Marked as reviewed by angorya (Reviewer).

PR Review: https://git.openjdk.org/jfx/pull/2043#pullrequestreview-3707254540