/* * WmvcModel - An MVC model superclass for the Wmvc Framework * Copyright (c) 2001, Bruce E. Wampler */import java.util.*;public class WmvcModel    extends     Observable{    // not a huge class, but provides implementation of    // Observer pattern using MVC naming    public WmvcModel()    {        super();    }        public void addView(WmvcView view)    {        addObserver((Observer) view);    }        public void deleteView(WmvcView view)    {        deleteObserver((Observer) view);    }        public void notifyViews()    {        setChanged();        notifyObservers();    }}