Re: Somewhere in this constructor of PriorityBlockingQueue is hard to understand
Liu via Concurrency-interest <[email protected]> Wed, 5 Aug 2020 13:42:16 +0800 (CST)
| Newsgroups | gmane.comp.java.jsr.166-concurrency |
|---|---|
| Message-ID | <[email protected]> |
i see, in this point, heapify() can find any null item. But about first question, as I says, only when "pq.getClass() == PriorityBlockingQueue.class" Expression holds, then you can do "screen = false". Is this opinion wrong? Maybe Instanceof allows subclasses which could be coded to allow null items. _______________________________________________ Concurrency-interest mailing list [email protected] http://cs.oswego.edu/mailman/listinfo/concurrency-interest