RFR: JDK-8264222: Use switch expression in jshell where possible [v2]

[Brian Goetz]

On Fri, 26 Mar 2021 23:47:41 GMT, Tagir F. Valeev <tvaleev at openjdk.org> wrote:

>> This change is powered by IntelliJ IDEA quick-fix.
>> I also took the liberty to fix C-style arrays in changed files.
>> 
>> In SourceCodeAnalysisImpl.java:501, I left case PARAMETERIZED_TYPE -> FALSE as a separate switch case, because it had a comment. Better formatting ideas are welcome.
>> 
>> If you like this, I can provide similar PR in other components as well (e.g. in javac)
>
> Tagir F. Valeev has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - resultTypeOf: update comment instead of splitting the case
>  - resultTypeOf: split CONSTRUCTOR and INSTANCE_INIT/STATIC_INIT case to position the comments properly

Marked as reviewed by briangoetz (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/3210