Dongjoon Hyun d34d650378 [SPARK-14868][BUILD] Enable NewLineAtEofChecker in checkstyle and fix lint-java errors ... ## What changes were proposed in this pull request? Spark uses `NewLineAtEofChecker` rule in Scala by ScalaStyle. And, most Java code also comply with the rule. This PR aims to enforce the same rule `NewlineAtEndOfFile` by CheckStyle explicitly. Also, this fixes lint-java errors since SPARK-14465. The followings are the 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) ## How was this patch tested? After the Jenkins test succeeds, `dev/lint-java` should pass. (Currently, Jenkins dose not run lint-java.) ```bash $ dev/lint-java Using `mvn` from path: /usr/local/bin/mvn Checkstyle checks passed. ``` Author: Dongjoon Hyun <dongjoon@apache.org> Closes #12632 from dongjoon-hyun/SPARK-14868.		2016-04-24 20:40:03 -07:00
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src	[SPARK-14868][BUILD] Enable NewLineAtEofChecker in checkstyle and fix lint-java errors	2016-04-24 20:40:03 -07:00
pom.xml	[SPARK-6363][BUILD] Make Scala 2.11 the default Scala version	2016-01-30 00:20:28 -08:00