RFR: 8264208: Console charset API [v11]

[Roger Riggs]

On Thu, 22 Apr 2021 16:11:16 GMT, Naoto Sato <naoto at openjdk.org> wrote:

>> Not always, for example, if stderr was redirected to a terminal but not stdin and stdout.
>> The istty check is only true if both stdin and stdout are ttys.
>
> Then `charset()` in the shared secret would return `null`. Would that suffice your case?

I read lines 575-587 as initializing CHARSET regardless of whether the Console was created.

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PR: https://git.openjdk.java.net/jdk/pull/3419