JAVA從窗口跳轉到另壹個窗口怎麽寫！

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JPanel;

/**

* 窗口跳轉

* @author lichen

* @time 2013-1-16

*/

public class CloseSkip extends JFrame{

JFrame frame1;

public void win1(){

frame1=new JFrame("test1");

JPanel panel=new JPanel(true);

JButton btn1=new JButton("Start");

panel.add(btn1);

frame1.add(panel);

btn1.addActionListener(new ActionListener() {

@Override

public void actionPerformed(ActionEvent arg0) {

new CloseSkip().win2(frame1);

}

});

frame1.setBounds(300, 200, 500, 200);

frame1.setVisible(true);

frame1.setResizable(true);

frame1.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

}

public void win2(JFrame frame){

frame.setVisible(false);

JFrame frame2=new JFrame("test2");

JPanel panel=new JPanel(true);

JButton btn2=new JButton("Stop");

panel.add(btn2);

frame2.add(panel);

frame2.setBounds(1000, 100, 200, 600);

frame2.setVisible(true);

frame2.setResizable(true);

frame2.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

}

public static void main(String[] args) {

new CloseSkip().win1();

}

}