[28] JEP 401: Value Classes and Objects (Preview)

[mpalat]

Ref: https://bugs.openjdk.org/browse/JDK-8251554
https://cr.openjdk.org/~dlsmith/jep401/latest/

sub-issues:

• https://gitlab.eclipse.org/eclipsefdn/helpdesk/-/issues/7189
• JEP 401 - Spec Clarification on Annotation Interfaces #4890
• First cut grammar changes for Value Types (Value Classes and Objects) #5088
• more to be added...

[mpalat]

Will take it up with the guidance of @srikanth-sankaran. Thanks @srikanth-sankaran for offering to guide

[stephan-herrmann]

Caveat, this JEP seems to have recent activity, but we still do not see it officially proposed for 26.

So, getting an early start is a great idea, but nothing of this should yet be pushed to BETA_JAVA26.

[mpalat]

Caveat, this JEP seems to have recent activity, but we still do not see it officially proposed for 26.

So, getting an early start is a great idea, but nothing of this should yet be pushed to BETA_JAVA26.

Right. will not be pushed. The PR is flagged as draft - planning to remove that only [if and ] after its targeted

[mpalat]

@stephan-herrmann as you hinted, looks like this may not make it to 26 given the (lack) of progress in state. JEP is still in submitted state. Will wait wait for a couple more weeks before I remove the milestone label.

[stephan-herrmann]

Not in 26, but I just found this:

We're happy to report an implementation milestone: an updated EA release of Value Classes and Objects with all core functionality and optimizations implemented. We'll spend the next few months on stabilization and code review as we work towards a preview release in the JDK.

[mpalat]

The Java Value types effort will on valtypes branch