RFR: 8066869: Add Closeable::closeUnchecked that is the equivalent of close but throws UncheckedIOException [v2]

[Glavo]

On Fri, 7 Jul 2023 15:56:13 GMT, Brian Burkhalter <bpb at openjdk.org> wrote:

>> Add a default method `java.io.Closeable::closeUnchecked` which is equivalent to `Closeable::close` except that it instead throws `java.io.UncheckedIOException`.
>
> Brian Burkhalter has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8066869: linkplain -> link

Can it be a static method instead of a default method? `Closeable` is a widely used class, so adding new default methods risks conflicting with existing methods.

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PR Comment: https://git.openjdk.org/jdk/pull/14789#issuecomment-1627236039