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https://issues.apache.org/jira/browse/SPARK-16897?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15407695#comment-15407695
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Apache Spark commented on SPARK-16897:
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User 'shiv4nsh' has created a pull request for this issue:
https://github.com/apache/spark/pull/14493
> Invalid use of var where val can be used.
> -----------------------------------------
>
> Key: SPARK-16897
> URL: https://issues.apache.org/jira/browse/SPARK-16897
> Project: Spark
> Issue Type: Documentation
> Components: Documentation
> Affects Versions: 2.0.0
> Reporter: Shivansh
> Priority: Trivial
>
> Variable is defined as var when it can be used as val , and we should use val
> in scala until or unless the var becomes necessary
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