RFR: 8186958: Need method to create pre-sized HashMap [v21]

[Sean Mullan]

On Thu, 14 Apr 2022 18:10:28 GMT, XenoAmess <duke at openjdk.java.net> wrote:

>> 8186958: Need method to create pre-sized HashMap
>
> XenoAmess has updated the pull request incrementally with one additional commit since the last revision:
> 
>   add `@LastModified: Apr 2022` to DocumentCache

Right, we generally try to avoid making too many changes to the implementation code in the java.xml.crypto module in order to stay consistent with Apache Santuario. They also would not accept this change because it is a new API and they need to run on older releases. I haven't had time yet to understand this Enhancement, but are the changes necessary for this part?

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PR: https://git.openjdk.java.net/jdk/pull/7928