On Mon, 9 Aug 2021 20:15:59 GMT, Mandy Chung <[email protected]> wrote:
>> src/java.base/share/classes/java/lang/ref/Reference.java line 374:
>>
>>> 372: * to call the native implementation over the intrinsic.
>>> 373: */
>>> 374: boolean refersToImpl(T obj) {
>>
>> I'm curious why can't you get rid of `refersToImpl` (virtual method) and
>> just override `refersTo` on `PhantomReference`. Am I missing something
>> important about keeping `refersTo` final?
>
> We don't want user-defined subclass of `Reference` overriding the `refersTo`
> implementation accidentally.
Got it. Thanks for the clarification!
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PR: https://git.openjdk.java.net/jdk/pull/5052
