菜单项
注册给事件监听者 mt1.addActionListener(this); mt2.addActionListener(this);
5
mt3.addActionListener(this); setMenuBar(mb); setTitle("创建菜单"); setSize(200,200); setVisible(true); } public void actionPerformed(ActionEvent e){ MenuItem mt=(MenuItem)e.getSource(); setTitle(mt.getActionCommand()); } public static void main(String args[]){ new XT006203(); } }
6