13) The Card Layout demonstration program

source file name: CardLayoutDemo.java

 import java.awt.*;  
import java.awt.event.*;  

public class CardLayoutDemo extends Frame implements ActionListener
{  
CardLayout card;  
Button b1,b2,b3;  
Panel p;  
public  CardLayoutDemo()
{  
          
        p=new Panel();
        card=new CardLayout(40,30);  

        p.setLayout(card);  
          
        b1=new Button("One");  
        b2=new Button("Two");  
        b3=new Button("Three");  
        b1.addActionListener(this);  
        b2.addActionListener(this);  
        b3.addActionListener(this);  
              
        p.add("a",b1);p.add("b",b2);p.add("c",b3);  
        add(p);
    }  
    public void actionPerformed(ActionEvent e)
    {  
    card.next(p);  
    }  
 
    public static void main(String[] args)
    {  
        CardLayoutDemo f=new CardLayoutDemo();  
        f.setTitle("Card Layout Demo");
        f.setSize(400,400);  
        f.setVisible(true);  

    }  
}  

output:

click below button