public  void add(int index,
    Object element) 
{
        getIntList().add(index,((Number)element).intValue());
}

 public boolean addAll(int index,
    Collection c) 
{
        return getIntList().addAll(index,CollectionIntCollection.wrap(c));
}

 public boolean equals(Object obj) 
{
        if(obj instanceof List) {
            List that = (List)obj;
            if(this == that) {
                return true;
            } else if(this.size() != that.size()) {
                return false;            
            } else {
                Iterator thisiter = iterator();
                Iterator thatiter = that.iterator();
                while(thisiter.hasNext()) {
                    Object thiselt = thisiter.next();
                    Object thatelt = thatiter.next();
                    if(null == thiselt ? null != thatelt : !(thiselt.equals(thatelt))) {
                        return false;
                    }
                }
                return true;
            }
        } else {
            return false;
        }
}

 public Object get(int index) 
{
        return new Integer(getIntList().get(index));
}

 protected final IntCollection getIntCollection() 
{
        return getIntList();
}

 abstract protected IntList getIntList()

 public int hashCode() 
{
        return getIntList().hashCode();
}

 public int indexOf(Object element) 
{
        return getIntList().indexOf(((Number)element).intValue());
}

 public int lastIndexOf(Object element) 
{
        return getIntList().lastIndexOf(((Number)element).intValue());
}

 public ListIterator listIterator() 
{
        return IntListIteratorListIterator.wrap(getIntList().listIterator());
}

wraps the IntListIterator returned by my underlying IntList , if any.

 public ListIterator listIterator(int index) 
{
        return IntListIteratorListIterator.wrap(getIntList().listIterator(index));
}

wraps the IntListIterator returned by my underlying IntList , if any.

 public Object remove(int index) 
{
        return new Integer(getIntList().removeElementAt(index));
}

 public Object set(int index,
    Object element) 
{
        return new Integer(getIntList().set(index, ((Number)element).intValue() ));
}

 public List subList(int fromIndex,
    int toIndex) 
{
        return IntListList.wrap(getIntList().subList(fromIndex,toIndex));
}