RFR: 8351565: Implement JEP 502: Stable Values (Preview) [v6]

[Per Minborg]

On Thu, 13 Mar 2025 15:49:37 GMT, Maurizio Cimadamore <mcimadamore at openjdk.org> wrote:

>> src/java.base/share/classes/java/lang/StableValue.java line 45:
>> 
>>> 43: 
>>> 44: /**
>>> 45:  * A stable value is a shallowly immutable holder of deferred content.
>> 
>> Is this terminology a leftover from previous JEP iterations? The JEP now says: 
>>>  stable values, which are objects that hold immutable data.
>
> Maybe: `A stable value in an holder for shallowly immutable content`.

I've updated the text. Let me know what you think

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PR Review Comment: https://git.openjdk.org/jdk/pull/23972#discussion_r2004617953