您所在位置：主题：看看下面这些语句哪些是错的
我要飞飞飞
[专家分：180] 发布于 2008-01-10 13:47:00
Component c1=new Component();
JComponent c2=new JComponent();
Component c3=new JButton();
JComponent c4=new JButton();
Container c5=new JButton();
c5.add(c4);
Object c6=new JButton();
c5.add(c6);
JComponent c2=new JComponent();
Component c3=new JButton();
JComponent c4=new JButton();
Container c5=new JButton();
c5.add(c4);
Object c6=new JButton();
c5.add(c6);
