On Thu, 20 May 2021 22:17:03 GMT, Gavin Bierman <gbier...@openjdk.org> wrote:

>> src/java.base/share/classes/java/lang/constant/DynamicConstantDesc.java line 
>> 59:
>> 
>>> 57:  * @since 12
>>> 58:  */
>>> 59: non-sealed public abstract class DynamicConstantDesc<T>
>> 
>> can you explain why `DynamicConstantDesc` is non-sealed?
>
> It's a permitted subclass of `ConstantDesc`, so it must be either `final`, 
> `sealed`, or `non-sealed`. Making it `non-sealed` means it can still be 
> extended.

I should have made it clear.  I was expecting `DynamicConstantDesc` should be 
`sealed`.  Do you expect non-JDK implementation class extending 
`DynamicConstantDesc`?

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PR: https://git.openjdk.java.net/jdk/pull/4135

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