CardLayout

CardLayout class

The CardLayout class manages the components in such a manner that only one component is visible at a time. It treats each component as a card that is why it is known as CardLayout.

Constructors of CardLayout class:

CardLayout(): creates a card layout with zero horizontal and vertical gap. CardLayout(int hgap, int vgap): creates a card layout with the given horizontal and vertical gap.

Commonly used methods of CardLayout class:

public void next(Container parent): is used to flip to the next card of the given container. public void previous(Container parent): is used to flip to the previous card of the given container. public void first(Container parent): is used to flip to the first card of the given container. public void last(Container parent): is used to flip to the last card of the given container. public void show(Container parent, String name): is used to flip to the specified card with the given name. Example of CardLayout class: import java.awt.*;   import java.awt.event.*;      import javax.swing.*;      public class CardLayoutExample extends JFrame implements ActionListener{   CardLayout card;   JButton b1,b2,b3;   Container c;       CardLayoutExample(){                      c=getContentPane();           card=new CardLayout(40,30);   //create CardLayout object with 40 hor space and 30 ver space           c.setLayout(card);                      b1=new JButton("Apple");           b2=new JButton("Boy");           b3=new JButton("Cat");           b1.addActionListener(this);           b2.addActionListener(this);           b3.addActionListener(this);                          c.add("a",b1);c.add("b",b2);c.add("c",b3);                                  }       public void actionPerformed(ActionEvent e) {       card.next(c);       }          public static void main(String[] args) {           CardLayoutExample cl=new CardLayoutExample();           cl.setSize(400,400);           cl.setVisible(true);           cl.setDefaultCloseOperation(EXIT_ON_CLOSE);       }   }