RFR: 8321131: Console read line with zero out should zero out underlying buffer in JLine [v2]

[Naoto Sato]

On Fri, 1 Dec 2023 19:40:39 GMT, Iris Clark <iris at openjdk.org> wrote:

>> Naoto Sato has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   moved instance fields at the top of the class
>
> src/jdk.internal.le/share/classes/jdk/internal/org/jline/JdkConsoleProviderImpl.java line 114:
> 
>> 112:                 return null;
>> 113:             } finally {
>> 114:                 jline.zeroOut();
> 
> The location of the `jline `declaration at new line 134 is unfortunate, but not a problem this PR needs to resolve.  The location makes sense if it was only used in `initJLineIfNeeded()` at some point in the past.

Thanks, Iris. Moved those instance fields to the top of the class.

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PR Review Comment: https://git.openjdk.org/jdk/pull/16930#discussion_r1412582527