Shivansh created SPARK-16897:
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Summary: 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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