On Tue, 16 Feb 2021 14:30:58 GMT, Сергей Цыпанов
<github.com+10835776+stsypa...@openjdk.org> wrote:
> Non-static classes hold a link to their parent classes, which in many cases
> can be avoided.
src/java.base/share/classes/java/lang/invoke/DelegatingMethodHandle.java line
192:
> 190:
> 191: /* Placeholder class for DelegatingMethodHandles generated ahead of
> time */
> 192: static final class Holder {}
For the four `Holder` classes in `java.lang.invoke`, the class is generated
when running jlink via `java.lang.invoke.GenerateJLIClassesHelper`. To stay in
sync with the definition you'd have to update that code. Also, since these
`Holder` classes will only contain static methods and are never instantiated
then I'm not sure it matters whether the classes are static or not.
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PR: https://git.openjdk.java.net/jdk/pull/2589
