code: public boolean greaterThan(Object left, Object right) {
      if ((left == right) || left == null || right == null) {
        return false;
      }
      else {
        return compare(left, right, ">") > 0;
      }
    }
docs: Test if left > right.
  
  @param left
  first value
  @param right
  second value
  @return test result.