RFR: JDK-8318476: Add resource consumption note to BigInteger and BigDecimal [v3]

[Brian Burkhalter]

On Mon, 23 Oct 2023 03:50:50 GMT, Joe Darcy <darcy at openjdk.org> wrote:

>> Add informative notes to BigInteger and BigDecimal about possible running times, etc.
>
> Joe Darcy has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Fix typo.

I suggest taking a look at [JDK-8225458](https://bugs.openjdk.org/browse/JDK-8225458) while in this area.

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PR Comment: https://git.openjdk.org/jdk/pull/16298#issuecomment-1775531298