[ZEPPELIN-1839] Code refactoring

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 0.7.0
• Fix Version/s: 0.7.0
• Component/s: conf
• Flags: Patch
• Assignee: Sergey_Sokur
• Reporter: Sergey_Sokur
• Created: 19/Dec/16 13:02
• Updated: 14/Jan/17 16:38
• Resolved: 24/Dec/16 14:57

Description

Remove unused import. Naming convention.

Collection.isEmpty() should be used to test for emptiness

Strings should not be concatenated using '+' in a loop

Issue Links

• links to: GitHub Pull Request #1738
• links to: GitHub Pull Request #1746
• links to: GitHub Pull Request #1747