RFR: 8344337: SecurityManager cleanup in java.prefs module [v6]

[Iris Clark]

On Thu, 21 Nov 2024 20:41:36 GMT, Brent Christian <bchristi at openjdk.org> wrote:

>> Remove usages of SecurityManager, doPrivildged, and AccessController from the java.prefs module.
>
> Brent Christian has updated the pull request incrementally with one additional commit since the last revision:
> 
>   spacing changes

Marked as reviewed by iris (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/22252#pullrequestreview-2459666559