tree f059080cf23adf8a917635ba4b6a4685dce5b407
parent c771f7df22fcbc3817044d32a61129b915d3395f
author Chih-Hung Hsieh <chh@google.com> 1506122169 -0700
committer Chih-Hung Hsieh <chh@google.com> 1506122169 -0700

Fix Java coding style issues.

* Remove unused parameters.
* Use map.computeIfAbsent.
* Use Immutable{Map,Set} classes.
* Add @RunWith and @Override.

Change-Id: Ib0a7c1957b69f5649dabf221628cb90aec96d3f2