我一定做了什么我不知的错误
import java.awt.*;import java.awt.event.*;
public class SimleMenu {
private Frame f= new Frame("你大爷的");
private MenuBar mb =new MenuBar();
Menu file = new Menu("文件");
Menu edit = new Menu("编辑");
MenuItem newItem =new MenuItem("新建");
MenuItem saveItem=new MenuItem("保存");
MenuItem exitItem=new MenuItem("退出",new MenuShortcut(KeyEvent.VK_X));
CheckboxMenuItem autoWrap=new CheckboxMenuItem("自动换行");
MenuItem copyItem=new MenuItem("复制");
MenuItem pasteItem =new MenuItem("粘贴");
Menu format =new Menu("格式");
MenuItem commentItem= new MenuItem("注释",new MenuShortcut(KeyEvent.VK_SLASH,true));
MenuItem cancelItem = new MenuItem("取消注释");
private TextArea ta=new TextArea(4,40);
public void init()
{
ActionListener menuListener=new ActionListener()
{
public void actionPerformed(ActionEvent e)
{
String cmd=e.getActionCommand();
ta.append("单机“"+cmd+"“才烦"+"\n");
if(cmd.equals("退出"))
{
System.exit(0);
}
}
};
commentItem.addActionListener(menuListener);
exitItem.addActionListener(menuListener);
file.add(newItem);
file.add(saveItem);
file.add(exitItem);
edit.add(autoWrap);
edit.addSeparator();
edit.add(copyItem);
edit.add(pasteItem);
format.add(commentItem);
format.add(cancelItem);
edit.add(new MenuItem("-"));
edit.add(format);
mb.add(file);
mb.add(edit);
f.setMenuBar(mb);
f.addWindowListener(new WindowAdapter()
{
public void windowClosing(WindowEvent e)
{
System.exit(0);
}
});
f.add(ta);
f.pack();
f.setVisible(true);
}
public static void main(String[] args)
{
new SimleMenu().init();
}
}
我的eclipse提示找不到或无法加载主类
