RFR: 8301684: Fix test code to not get finalizer deprecation warnings [v2]

[Afshin Zafari]

On Wed, 15 Mar 2023 05:16:42 GMT, David Holmes <dholmes at openjdk.org> wrote:

> This looks much simpler/cleaner - thanks!
> 
> Just a few nits with comments. Nice try with replacing "finalize" by "reclaim" but it doesn't quite work grammatically in the comments.

Thanks for your comments, and thank you also for being patient with my naive mistakes.

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PR: https://git.openjdk.org/jdk/pull/12968