RFR: 8274395: Use enhanced-for instead of plain 'for' in jdk.internal.jvmstat [v2]

[Andrey Turbanov]

On Tue, 28 Sep 2021 07:32:47 GMT, Andrey Turbanov <duke at openjdk.java.net> wrote:

>> There are few places in code where manual `for` loop is used with Iterator to iterate over Collection or Array.
>> Instead of manual `for` cycles it's preferred to use enhanced-for cycle instead: it's less verbose, makes code easier to read and it's less error-prone.
>> It doesn't have any performance impact: javac compiler generates similar code when compiling enhanced-for cycle.
>> Similar cleanups:
>> 1. [JDK-8274016](https://bugs.openjdk.java.net/browse/JDK-8274016) java.desktop
>> 2. [JDK-8274237](https://bugs.openjdk.java.net/browse/JDK-8274237) java.base
>> 3. [JDK-8274261](https://bugs.openjdk.java.net/browse/JDK-8274261) jdk.jcmd
>> 4. [JDK-8274318](https://bugs.openjdk.java.net/browse/JDK-8274318) java.management
>
> Andrey Turbanov has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8274395: Use enhanced-for instead of plain 'for' in jdk.internal.jvmstat
>   update copyright

Can someone sponsor the changes please?

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PR: https://git.openjdk.java.net/jdk/pull/5580