SerializableComparator<T> comparator) { Objects.requireNonNull(comparator, "Comparator to add cannot be null"); SerializableComparator<T> originalComparator = getSortComparator(); if (originalComparator == null) { setSortComparator(comparator);
SerializableComparator<T> comparator) { Objects.requireNonNull(comparator, "Comparator to add cannot be null"); SerializableComparator<T> originalComparator = getSortComparator(); if (originalComparator == null) { setSortComparator(comparator);