RFR: 8278349: JarSigner javadoc example uses SHA-1 [v2]

[Weijun Wang]

On Fri, 13 Jan 2023 17:18:41 GMT, Eirik Bjorsnos <duke at openjdk.org> wrote:

>> Please review this trivial PR which updates javadoc sample code in jdk.security.jarsigner.JarSigner to use SHA-256, SHA256withRSA instead of the now considered weak algorithms SHA-1, SHA1withDSA.
>> 
>> The sample code is also updated to use the new snippet syntax.
>
> Eirik Bjorsnos has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Indent the javadoc code snippet to make it easier to separate from the snippet syntax

Marked as reviewed by weijun (Reviewer).

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PR: https://git.openjdk.org/jdk/pull/11992