RFR: 8321206: Make Locale related system properties static properties

[David Holmes]

On Tue, 5 Dec 2023 23:04:55 GMT, Naoto Sato <naoto at openjdk.org> wrote:

> Currently, Locale-related system properties, such as `user.language` or `user.country`, are initialized when the `Locale` class is loaded. Making them static properties is safer than relying on the class initialization timing, which could potentially be changed depending on the implementation.

Can I also suggest that you change the bug and PR synopsis to say `StaticProperty` rather than `static properties` as I found it quite confusing to understand the issue.

> Making them static properties is safer than relying on the class initialization timing

"class initialization" refers to the static initialization of a class. I assume that is not what you mean here but the creation of the instance of the class? Even `StaticProperty` still initializes these things during class initialization, so I'm unclear exactly what this is trying to say.

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PR Comment: https://git.openjdk.org/jdk/pull/16986#issuecomment-1841978376