andrey-fl

//-----------------------zadanie 4-------------
    public static <T> List<T> filterByClass(List<T> list, Class<?> clazz) {
        List<T> result = new ArrayList<>();
        for (T t : list) {
            // if (t != null && t.getClass().equals(clazz)) {
            if (clazz.isInstance(t)) {
                result.add(t);
            }
        }
        return result;