Jongyoul Lee 55f6c91cab [ZEPPELIN-3740] Adopt google-java-format and fmt-maven-plugin ... ### What is this PR for? Avoiding outdated checkstyle error. To check format `mvn validate` To fix non-complying files `mvn fmt:format` ### What type of PR is it? [Improvement | Refactoring] ### Todos * [x] - Adopt `fmt-maven-plugin` ### What is the Jira issue? * https://issues.apache.org/jira/browse/ZEPPELIN-3740 ### How should this be tested? CI passs ### Screenshots (if appropriate) ### Questions: * Does the licenses files need update? No * Is there breaking changes for older versions? No * Does this needs documentation? Yes for contributors Author: Jongyoul Lee <jongyoul@gmail.com> Closes #3158 from jongyoul/ZEPPELIN-3740 and squashes the following commits: f06c50e90 [Jongyoul Lee] Adopt `fmt-maven-plugin` for google-java-format Adopt all files		2018-08-26 13:43:14 +09:00
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java/org/apache/zeppelin/python	[ZEPPELIN-3740] Adopt google-java-format and fmt-maven-plugin	2018-08-26 13:43:14 +09:00
resources	ZEPPELIN-3375: Make PySparkInterpreter extends PythonInterpreter	2018-04-16 14:17:54 +08:00