code: public URL getResource(String name) {
          for (int i = 0; i < classLoaders.length; i++) {
              URL url = classLoaders[i].getResource(name);
              if (url != null) {
                  return url;
              }
          }
          if (getParent() != null) {
              return super.getResource(name);
          } else {
              return null;
          }
      }
docs: ====================