shijinkui created ZEPPELIN-874:
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Summary: scala and java code refactor
Key: ZEPPELIN-874
URL: https://issues.apache.org/jira/browse/ZEPPELIN-874
Project: Zeppelin
Issue Type: New Feature
Reporter: shijinkui
1. remove semicolon at the end of scala line
object SparkRBackend {
val backend : RBackend = new RBackend()
private var started = false;
private var portNumber = 0;
2. remove scala `return`
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