tree df62870d77fd4ea6630975a49fe60d4c639f1f35
parent 55e05f468bddc7b7e1fdba25ddccce7d3df330d3
author Won Wook SONG <wonook@apache.org> 1553678537 +0900
committer WooYeon Lee <wylee.xyzi@gmail.com> 1553678537 +0900

[NEMO-362] Upgrade of checkstyle version (#208)

JIRA: [NEMO-362: Upgrade of checkstyle version](https://issues.apache.org/jira/projects/NEMO/issues/NEMO-362)

**Major changes:**
- Upgrade of the checkstyle version.

**Minor changes to note:**
- Removes redundant final modifiers, which creates errors generated by newer check style versions.

**Tests for the changes:**
- None

**Other comments:**
- None

Closes #208