RFR: 8334714: Class-File API leaves preview

[ExE Boss]

On Fri, 21 Jun 2024 11:56:37 GMT, Adam Sotona <asotona at openjdk.org> wrote:

> Class-File API is leaving preview.
> This is a removal of all `@PreviewFeature` annotations from Class-File API.
> It also bumps all `@since` tags and removes `jdk.internal.javac.PreviewFeature.Feature.CLASSFILE_API`.
> 
> Please review.
> 
> Thanks,
> Adam

Note that `Utf8Entry::equalsString` has inconsistent behaviour when called with a `null` value, which I’ve reported as [JI‑9077307], and should probably be fixed before this API leaves preview.

[JI‑9077307]: https://bugs.openjdk.org/browse/JI-9077307 "JI‑9077307: Inconsistent NPE behaviour of `Utf8Entry::equalsString`"

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PR Comment: https://git.openjdk.org/jdk/pull/19826#issuecomment-2228504207