记事本问题

  JMenuItem jnewline = new JMenuItem("自动换行");
    jnewline.addActionListener(new ActionListener()
    {
        public void actionPerformed(ActionEvent e)
        {
            text.setLineWrap(true);
        }
    });
        
        
     JMenuItem jabout = new JMenuItem("帮助");
    jabout.addActionListener(new ActionListener()
    {
         public void actionPerformed(ActionEvent e)
         {
             int type=JOptionPane.INFORMATION_MESSAGE;
             String title="关于";
             String message="我的记事本";
             JOptionPane.showMessageDialog(frame,message,title,type);
         }
    });
    jfile.add(jnew);
    jfile.add(jopen);
    jfile.add(jsave);
    jfile.add(jothersava);
    jfile.addSeparator();
    jfile.add(jquite);
    jedit.add(jcut);
    jedit.add(jcopy);
    jedit.add(jpaste);
    jedit.addSeparator();
    jedit.add(jallselect);
    jedit.add(jtimeDate);  
    jmode.add(jnewline);
    jhelp.add(jabout);
    frame.setVisible(true); 
  }
public static void main(String[] args) 
{
    MyNoteBook myNoteBook = new MyNoteBook();
    myNoteBook.addWindowListener(new WindowAdapter()
        {
            public void windowClosing(WindowEvent e)
            {
                if(!MyNoteBook.JTGhost.getText().equals(MyNoteBook.text.getText()))
            {
            
                int Choose=JOptionPane.showConfirmDialog(myNoteBook,"文字已经改变，是否需要保存！","记事本",JOptionPane.YES_NO_CANCEL_OPTION);
                //选择需要保存。
                if(Choose==JOptionPane.YES_OPTION)
                {
                    try
                    {                            FileDialog FDlog=new FileDialog(myNoteBook,"保存文件",FileDialog.SAVE);
                            FDlog.setVisible(true);
                            MyNoteBook.Path=FDlog.getDirectory()+FDlog.getFile();                        FileWriter FW=new FileWriter(MyNoteBook.Path);
                        FW.write(WordPad.JT.getText());
                        FW.close();
                        //退出程序
                        System.exit(0);
                    }
                    catch(Exception s1)
                    {
                    }
                }
                //不保存，直接退出。
                else if(Choose==JOptionPane.NO_OPTION)
                {
                    System.exit(0);
                }
                //不进行任何操作。
                else if(Choose==JOptionPane.CANCEL_OPTION)
                {    
                }
           }
           //文件已经保存，则直接退出。
           else
           {
                  System.exit(0);
           }
            }
        });
}        
         
}[/code]不知道要怎么改了，好多错，请高手帮忙下，谢谢