RFR: 8272163: Add -version option to keytool and jarsigner [v4]

[Weijun Wang]

On Tue, 19 Oct 2021 06:26:17 GMT, Hai-May Chao <hchao at openjdk.org> wrote:

>> It'd be useful to have a -version option for keytool and jarsigner. Many other JDK tools already have a -version option. This is to add -version option to keytool and jarsigner like jar command does.
>> 
>> CSR review:
>> https://bugs.openjdk.java.net/browse/JDK-8275174
>
> Hai-May Chao has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Updated comment in test

Marked as reviewed by weijun (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/5954