Dongjoon Hyun created SPARK-14868:
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Summary: Enable NewLineAtEofChecker in checkstyle and fix
lint-java errors
Key: SPARK-14868
URL: https://issues.apache.org/jira/browse/SPARK-14868
Project: Spark
Issue Type: Task
Components: Build
Reporter: Dongjoon Hyun
Priority: Minor
Spark uses `NewLineAtEofChecker` rule in Scala by ScalaStyle. And, most Java
code also comply with the rule. This issue aims to enforce the same rule
`NewlineAtEndOfFile` by CheckStyle explicitly. Also, this fixes lint-java
errors since SPARK-14465.
This issue does the following items.
* Adds a new line at the end of the files (19 files)
* Fixes 25 lint-java errors (12 RedundantModifier, 6 ArrayTypeStyle, 2
LineLength, 2 UnusedImports, 2 RegexpSingleline, 1 ModifierOrder)
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