code: public final URL getResourceURL(String name) {
  		URL url = loadResourceURL(name);
  		if (url == null && subLoaders != null)
  			for (AbstractClassLoader sub : subLoaders) {
  				url = sub.getResourceURL(name);
  				if (url != null) break;
  			}
  		return url;
  	}
docs: Search for a resource.