import java.awt.*;
import javax.swing.*;
public class CardLayoutDemo{
        public static void main(String args[]){
                JFrame frame=new JFrame("CardLayout");
                Container c=frame.getContentPane();
                //ÿƬֹˮƽΪ30ֱΪ30
                c.setLayout(new CardLayout(30,30));
                //ĸťγ4ſƬ
                c.add("card1",new JButton("Ƭ1"));
                c.add("card2",new JButton("Ƭ2"));
                c.add("card3",new JButton("Ƭ3"));
                c.add("card4",new JButton("Ƭ4"));
                frame.setSize(200,200);
                frame.setVisible(true);
       }
}
