<i18n dev> RFR: 8347949: Currency method to stream available Currencies [v5]

[Chen Liang]

On Fri, 17 Jan 2025 23:33:50 GMT, Justin Lu <jlu at openjdk.org> wrote:

>> Please review this PR and CSR which adds a method to _java.util.Currency_ which returns a stream of the available Currencies.
>> 
>> The motivation can be found in the CSR.
>
> Justin Lu has updated the pull request incrementally with one additional commit since the last revision:
> 
>   provide message for test assertion

src/java.base/share/classes/java/util/Currency.java line 469:

> 467: 
> 468:     // Initialize the set of available currencies if needed
> 469:     private static synchronized void initAvailableCurrencies() {

Should we make `available` volatile so we can avoid entering the monitor if the currencies are initialized?

(Note: We may get Stable Values very soon, at that point SV is a much better solution)

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PR Review Comment: https://git.openjdk.org/jdk/pull/23165#discussion_r1920921812