Integrated: 8313743: Make fields final in sun.nio.ch

[Andrey Turbanov]

On Fri, 21 Jul 2023 22:35:37 GMT, Andrey Turbanov <aturbanov at openjdk.org> wrote:

> Found a few fields in `sun.nio.ch` package which could be declared `final`.
> 
> Also I took oportunity to make a couple of cleanups:
> 1. ~Converted `sun.nio.ch.OptionKey` to a record. Getters naming are already match.~
> 2. Removed `sun.nio.ch.WindowsAsynchronousSocketChannelImpl#addressSize`/`sun.nio.ch.WindowsSelectorImpl#addressSize` fields. Address size is already cached inside Unsafe (since [JDK-8221477](https://bugs.openjdk.org/browse/JDK-8221477)).

This pull request has now been integrated.

Changeset: b88c2735
Author:    Andrey Turbanov <aturbanov at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/b88c27350328da86e9dc46c8061c6563fdf858a2
Stats:     27 lines in 9 files changed: 0 ins; 2 del; 25 mod

8313743: Make fields final in sun.nio.ch

Reviewed-by: bpb

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PR: https://git.openjdk.org/jdk/pull/14980