code: public static ResourceManager get(Class<?> clazz) {
          String bundleName = clazz.getName() + "RB";
          return get(bundleName);
      }
docs: Gets the ResourceManager associated with <code>clazz</code>. It looks for
  a ResourceBundle named against the class name plus the string "RB". For
  example, for the com.mypackage.Main, the ResourceBundle
  com.mypackage.MainRB will be looked up.
  
  @param clazz
  @return the ResourceManager associated with the class