RFR: 8313743: Make fields final in sun.nio.ch [v2]

[Alan Bateman]

On Fri, 4 Aug 2023 12:36:45 GMT, Andrey Turbanov <aturbanov at openjdk.org> wrote:

> Hence, changing equiality doesn't change the behavior.

We need to double check to be 100% sure, it's seems like a drive-by change that probably shouldn't be in this PR.

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PR Review Comment: https://git.openjdk.org/jdk/pull/14980#discussion_r1284375580