<i18n dev> RFR: 8186958: Need method to create pre-sized HashMap [v18]

[XenoAmess]

On Wed, 13 Apr 2022 22:57:33 GMT, Stuart Marks <smarks at openjdk.org> wrote:

> Not `_size+2` ?

I don't have a idea here why he original use the + 2.
Is there any guy more familiar with this code tell me why?
Thanks!

> I suspect the `size*2+1` was a failed attempt at allocating a HashMap of the correct capacity for `size` mappings.

I looked the codes and don't think so..
If I'm wrong, I'm glad to fix.

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