code: public static boolean isObjectMethod(Method method) {
  		if (method == null) {
  			return false;
  		}
  		try {
  			Object.class.getDeclaredMethod(method.getName(), method.getParameterTypes());
  			return true;
  		}
  		catch (Exception ex) {
  			return false;
  		}
  	}
docs: Determine whether the given method is originally declared by {@link java.lang.Object}.