RFR: 2318: Prefer Thread.sleep(Duration)

[Zhao Song]

On Fri, 5 Jul 2024 10:29:32 GMT, Pavel Rappo <prappo at openjdk.org> wrote:

> `Thread.sleep(java.time.Duration)` was introduced in JDK 19, as part of [JDK-8284161], and standardised in JDK 21, as part of [JDK-8304919].
> 
> [JDK-8284161]: https://bugs.openjdk.org/browse/JDK-8284161
> [JDK-8304919]: https://bugs.openjdk.org/browse/JDK-8304919

Looks good!

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Marked as reviewed by zsong (Reviewer).

PR Review: https://git.openjdk.org/skara/pull/1670#pullrequestreview-2160962497