class ListCell {
    
    protected Object datum;
    protected ListCell next;
    
    public ListCell(Object o, ListCell n){
	datum = o;
	next = n;
    }
    
    public Object getDatum() {
	return datum;
    }
    
    public ListCell getNext(){
	return next;
    }
    
    public void setDatum(Object o) {
	datum = o;
    }
    
    public void setNext(ListCell l){
	next = l;
    }
}