code: boolean sameKAMs(Kam... kams) {
          Set<Kam> set = new HashSet<Kam>(kams.length);
          for (int i = 0; i < kams.length; i++) {
              set.add(kams[i]);
          }
          if (set.size() == 1) {
              return true;
          }
          return false;
      }
docs: Returns {@code true} if the kams are all equal, {@code false} otherwise.
  
  @param kams KAMs
  @return boolean