Filter

public <T> List<T> filterList(Class<T> filterClass, List<?> list) {

        List<T> result = new ArrayList<T>();
        for (int i = 0; i < list.size(); i++) {
            if (list.get(i).getClass().equals(filterClass)) {
                result.add((T) list.get(i).getClass());
            }

        }
        return result;
    }