On Wed, 4 Jun 2025 21:20:46 GMT, Justin Lu <j...@openjdk.org> wrote:
> Please review this PR which improves occurrences of lazy computation in
> `Locale` and `BaseLocale`.
>
> Existing lazy initialization strategies such as CHM, static nested class, and
> local inner class are replaced with Stable Values.
>
> Lambda usage is intentionally avoided in this change during `Locale` creation
> and in static fields due to potential startup performance degradation as
> noted by [JDK-8331932](https://bugs.openjdk.org/browse/JDK-8331932).
>
> Rather than convert `iso3166CodesMap` to a Stable Map, each ISO 3166 resource
> is represented as a SV. Also, I did not think it was necessary to maintain a
> SV for _both_ the array and set of ISO3166-1 alpha-2 codes.
src/java.base/share/classes/java/util/Locale.java line 2348:
> 2346: private static volatile Locale defaultFormatLocale;
> 2347:
> 2348: private transient final Supplier<String> languageTag =
let's use blessed modifiers order
Suggestion:
private final transient Supplier<String> languageTag =
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PR Review Comment: https://git.openjdk.org/jdk/pull/25646#discussion_r2128278908
