[jira] [Created] (FLINK-2775) [CLEANUP] Cleanup code as part of theme to be more consistent on Utils classes

[Shang Yuanchun (Jira)]

Henry Saputra created FLINK-2775:
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             Summary: [CLEANUP] Cleanup code as part of theme to be more consistent on Utils classes
                 Key: FLINK-2775
                 URL: https://issues.apache.org/jira/browse/FLINK-2775
             Project: Flink
          Issue Type: Improvement
            Reporter: Henry Saputra
            Assignee: Henry Saputra
            Priority: Minor


As part of the theme to help make the code more consistent, add cleanup to Utils classes:
-) Add final class modifier to the XXXUtils and XXXUtil classes to make sure can not be extended.
-) Add missing Javadoc header classs to some public classes.
-) Add private constructor to Utils classes to avoid instantiation.
-) Remove unused test/java/org/apache/flink/test/recordJobs/util/ConfigUtils.java class



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