Method add

lib/java/util/AbstractList.java:241–254

(int location, E object)

        }

        @Override
        public void add(int location, E object) {
            if (modCount == fullList.modCount) {
                if (0 <= location && location <= size) {
                    fullList.add(location + offset, object);
                    size++;
                    modCount = fullList.modCount;
                } else {
                    throw new IndexOutOfBoundsException();
                }
            } else {
                throw new ConcurrentModificationException();
            }
        }

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