How can i display a JPG image in a JFrame ?

Question

sample code would be appreciated
marvinrouge

Answer 1

Thanks both : it helped
here is the code given to all jana-net-guys
it displays from 1.jpg to 12.jpg
how can i improve it to displays all .jpg and .gif even if their names ARE NOT like <number>.jpg ???
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.io.*;
public class PhotoDisplayer extends JFrame implements ActionListener {
     JPanel cp = new JPanel();
     public PhotoDisplayer() {
          getContentPane().setLayout(new BorderLayout());
          setImage(1);
               cp.add(first);
               first.addActionListener(this);
               cp.add(prev);
               prev.addActionListener(this);
               cp.add(next);
               next.addActionListener(this);
               cp.add(last);
               last.addActionListener(this);
               cp.add(exit);
               exit.addActionListener(this);
          getContentPane().add(cp, BorderLayout.SOUTH);
          pack();
          show();
     public void setImage(String image) {
          ImageIcon ii = new ImageIcon(image);
          if (ii.getIconHeight()>height)
               height = ii.getIconHeight();
          if (ii.getIconWidth()>width)
               width = ii.getIconWidth();
          JLabel img = new JLabel(ii);
          JScrollPane sp = new JScrollPane(img);
          getContentPane().removeAll();
          getContentPane().add(sp, BorderLayout.CENTER);
          getContentPane().add(cp, BorderLayout.SOUTH);
          setTitle(image);
          pack();
     public void setImage(int img) {
          setImage("" + img + ".jpg");
     public int image = 1;
     public void moveImage(int dec) {
          if (image+dec>=1 && image+dec<=12) {
               image += dec;
               setImage(image);
     public void actionPerformed(ActionEvent event) {
          if (event.getSource()==first)
               setImage(1);
          if (event.getSource()==prev)
               moveImage(-1);
          if (event.getSource()==next)
               moveImage(1);
          if (event.getSource()==last)
               setImage(12);
          if (event.getSource()==exit)
               System.exit(0);
     int width = 320;
     int height = 200;
     JButton first = new JButton("First");
     JButton prev = new JButton("Prev");
     JButton next = new JButton("Next");
     JButton last = new JButton("Last");
     JButton exit = new JButton("Exit");
     public static void main(String[] args) {
          new PhotoDisplayer();
     public Dimension getPreferredSize() {
          return new Dimension(width, height);
}