ListItr(int index) 
{
            super();
            cursor = index;
}

 public  void add(E e) 
{
            int i = cursor;
            synchronized (Vector.this) {
                checkForComodification();
                Vector.this.add(i, e);
                expectedModCount = modCount;
            }
            cursor = i + 1;
            lastRet = -1;
}

 public boolean hasPrevious() 
{
            return cursor != 0;
}

 public int nextIndex() 
{
            return cursor;
}

 public E previous() 
{
            synchronized (Vector.this) {
                checkForComodification();
                int i = cursor - 1;
                if (i <  0)
                    throw new NoSuchElementException();
                cursor = i;
                return elementData(lastRet = i);
            }
}

 public int previousIndex() 
{
            return cursor - 1;
}

 public  void set(E e) 
{
            if (lastRet == -1)
                throw new IllegalStateException();
            synchronized (Vector.this) {
                checkForComodification();
                Vector.this.set(lastRet, e);
            }
}