RFR: 8366261: Provide utility methods for sun.security.util.Password [v5]

[Naoto Sato]

On Sat, 6 Sep 2025 01:09:04 GMT, Weijun Wang <weijun at openjdk.org> wrote:

>> Ah, yes. Comment does not align with the code. I am fine either way too.
>
> Either is OK. `Optional` sounds more modern and forces me to consider the empty case.

Fixed the comment to agree with the code

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PR Review Comment: https://git.openjdk.org/jdk/pull/26973#discussion_r2330771936