Method addAll

lib/java/util/AbstractList.java:256–271

(int location, Collection<? extends E> collection)

        }

        @Override
        public boolean addAll(int location, Collection<? extends E> collection) {
            if (modCount == fullList.modCount) {
                if (0 <= location && location <= size) {
                    boolean result = fullList.addAll(location + offset,
                            collection);
                    if (result) {
                        size += collection.size();
                        modCount = fullList.modCount;
                    }
                    return result;
                }
                throw new IndexOutOfBoundsException();
            }
            throw new ConcurrentModificationException();
        }

        @Override
        public boolean addAll(Collection<? extends E> collection) {