我想实现这样的功能:
电击A窗口的1个按钮,打开B窗口,然后通过B窗口修改A窗口里的控件.
代码大概这样写(与题目无关部分省略):
class A extends JFrame
{
   JButton button1;
   JTextField t1;
   public A()
     {
        button1=new JButton("button1");
        t1=new JTextField();
        button1.addActionListener
        (
           new ActionListener()
           {
                public void actionPerformed(ActionEvent e)
                {
                   B bwindow=new B(XXX)
                }
           }
        );
     }
}class B extends JFrame
{
   JButton button1;
   A a1;
   public B(A ax)
   {
      button1=new JButton();
      a1=ax;
      button1.addActionListener
      (
         new ActionListener()
         {
            public void actionPerformed(ActionEvent e)
            {
               a1.t1.setText("12345");
             }
         }
      );
    }
}XXX部分写this好象通不过,请问应该写什么.或者还有其他比较方便的实现该功能的方法?