RFR: 8334015: Add Support for UUID Version 7 (UUIDv7) defined in RFC 9562 [v21]

[Roger Riggs]

On Sun, 26 Oct 2025 14:46:54 GMT, Alan Bateman <alanb at openjdk.org> wrote:

>> Kieran Farrell has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   update name
>
> src/java.base/share/classes/java/util/UUID.java line 40:
> 
>> 38:  * A UUID represents a 128-bit value.
>> 39:  *
>> 40:  * <p> There exist different variants of these global identifiers.  The methods
> 
> As follow-up (not this PR), we might consider re-visiting the switch from UUID in the first sentence/paragraph to "global identifiers" in the second paragraph. We seem to missing an "also known" to allow this switch.

Created https://bugs.openjdk.org/browse/JDK-8370910

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PR Review Comment: https://git.openjdk.org/jdk/pull/25303#discussion_r2478286645