8361307: [lworld] Clarify identity vs value in Class, Objects, and document limitations of value objects

[RogerRiggs]

Javadoc updates to clarify value class vs identity class distinctions when in preview-mode and not.

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Progress

• Change must not contain extraneous whitespace

Issue

• JDK-8361307: [lworld] Clarify identity vs value in Class, Objects, and document limitations of value objects (Bug - P4)

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[bridgekeeper]

👋 Welcome back rriggs! A progress list of the required criteria for merging this PR into lworld will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

@RogerRiggs This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

After integration, the commit message for the final commit will be:

8361307: [lworld] Clarify identity vs value in Class, Objects, and document limitations of value objects

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[mlbridge]

Webrevs

• 00: Full (11c42135)

[RogerRiggs]

/integrate

[openjdk]

Going to push as commit 3626f88.
Since your change was applied there have been 2 commits pushed to the lworld branch:

• 1fdd381: 8363956: [lworld] Valhalla vauetypes tests enablePreview should be per test
• d1c3062: 8349110: [lworld] Intrinsics for Unsafe.get/putFlatValue

Your commit was automatically rebased without conflicts.

[openjdk]

@RogerRiggs Pushed as commit 3626f88.

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