On Mon, 21 Jun 2021 22:25:49 GMT, Roger Riggs <rri...@openjdk.org> wrote:

> Add java.util.Objects.newIdentity to supply a unique object with identity.
> This is a replacement code can be used today for the traditional new Object() 
> idiom, which will be deprecated under Project Valhalla.
> Refer to [JEP 401: Primitive Objects 
> (Preview)](https://openjdk.java.net/jeps/401) for background.

Looks okay in general.   It'd be useful for the javadoc of `Object()` 
constructor to suggest using `Objects::newIdentity` instead of the constructor.

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PR: https://git.openjdk.java.net/jdk17/pull/112

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