code: public Enumeration<URL> getResources(String name) throws IOException {
  		if (name.length() == 0) return null;
  		if (name.charAt(0) == '/') name = name.substring(1);
  		CompoundCollection<URL> list = new CompoundCollection<>();
      	for (int i = 0; i < libs.size(); i++) {
      		AbstractClassLoader cl = libs.get(i);
      		Iterable<URL> urls = cl.getResourcesURL(name);
     			if (urls != null) list.add(urls);
      	}
      	list.add(AppClassLoader.class.getClassLoader().getResources(name));
          return list.enumeration();
  	}
docs: Search for resources.