Fix Eclipse warnings

 - Remove unused imports
 - Remove unused fields
 - Remove constant hiding inherited one
 - Add missing override annotations
 - Remove redundant type arguments
 - Remove non thrown exceptions

Change-Id: I11c3b470aca35b7ab88ed78563df6c1664f4c2d3
8 files changed
tree: 3b4307c186e64b32b926c68e66925e6bb854f326
  1. .gitignore
  2. .settings/
  3. BUCK
  4. LICENSE
  5. lib/
  6. src/