PropertyConfigurator.java 文件源码

/**
   Like {@link #configureAndWatch(String, long)} except that the
   default delay as defined by {@link FileWatchdog#DEFAULT_DELAY} is
   used.

   @param configFilename A file in key=value format.

*/
static
public
void configureAndWatch(String configFilename) {
  configureAndWatch(configFilename, FileWatchdog.DEFAULT_DELAY);
}