code: public boolean greaterThanOrEqual(Object left, Object right) {
      if (left == right) {
        return true;
      }
      else if (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.