RFR: 8297605: DelayQueue javadoc is confusing

[Doug Lea]

On Thu, 2 Mar 2023 20:00:56 GMT, Martin Buchholz <martin at openjdk.org> wrote:

> Inviting @DougLea and @viktorklang-ora to review.
> 
> As usual, I couldn't resist more fiddling.  
> - Added missing tests for take, remove(), remove(Object).
> - Improved DelayQueueTest's testing infrastructure
> - added more test assertions
> - linkified new javadoc definitions

Thanks. This is overkill, but the wording changes and new tests look OK.

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PR: https://git.openjdk.org/jdk/pull/12838