code: public static boolean classAllowed(String className) {
          for (String name: BLACK_LIST) {
              if (className.startsWith(name)) {
                  return false;
              }
          }
          return true;
      }
docs: Checks to see if a given class is blacklisted or not.
  
  @param className class name/package
  @return true if not blacklisted and false if it is blacklisted