code: static Logger getPlatformLogger(String name) {
          LogManager manager = LogManager.getLogManager();
  
          // all loggers in the system context will default to
          // the system logger's resource bundle
          Logger result = manager.demandSystemLogger(name, SYSTEM_LOGGER_RB_NAME);
          return result;
      }
docs: i.e. caller of sun.util.logging.PlatformLogger.getLogger