public static boolean isArray(Object obj) {
    return (obj != null && obj.getClass().isArray());
  }
Returns the resources from the {@code Thread.currentThread().getContextClassLoader()}.

@param resourcePath the path of the resource
@return the list of resources
@throws IOException if the resources can't be loaded
spock-core/src/main/java/org/spockframework/util/ReflectionUtil.java