public boolean addAll(int index, Collection<? extends E> c) {
if (index < 0 || index > size)
throw new IndexOutOfBoundsException("Index: " + index + ", Size: " + size);
int cSize = c.size();
if (cSize == 0) return false;
checkForComodification();
l.addAll(offset + index, c);
expectedModCount = l.modCount;
size += cSize;
modCount++;
return true;
}
public boolean addAll(int index, Collection<? extends T> c) {
return adapter.addAll(index, c);
}
public boolean addAll(Collection<? extends T> c) {
return adapter.addAll(c);
}