RFR: 8220816: (fs) Files.createDirectory should make it more obvious that it fails when the directory already exists [v5]

[Brian Burkhalter]

On Wed, 19 Nov 2025 19:23:40 GMT, Alan Bateman <alanb at openjdk.org> wrote:

> Good, thanks for the updates.

Thanks for the review.

Are we not concerned about the other FAEEs mentioned [above](https://github.com/openjdk/jdk/pull/28378#issuecomment-3553974779)?

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PR Comment: https://git.openjdk.org/jdk/pull/28378#issuecomment-3554294557