Swing Components Java


            import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
public class ScaledImage extends JFrame implements ActionListener
 {
 JButton jb;
 String file="copy.gif";
 ImageIcon icon=null;
 Image image = null;
 JLabel button;
 public ScaledImage()
 {
 jb = new JButton("Select Image");
 jb.addActionListener(this);
 icon = new ImageIcon( file );
 image = icon.getImage().getScaledInstance(128, 128, Image.SCALE_SMOOTH);
 button = new JLabel( new ImageIcon( image ) );
 getContentPane().add( button, BorderLayout.CENTER );
 getContentPane().add( jb, BorderLayout.SOUTH );
 }
 public static void main(String[] args)
 {
 ScaledImage frame = new ScaledImage();
 frame.setDefaultCloseOperation( EXIT_ON_CLOSE );
 frame.setSize(300,300);
 frame.setVisible(true);
 }
 public void actionPerformed(ActionEvent ae)
 {
 JFileChooser fc = new JFileChooser();
 int returnVal = fc.showOpenDialog(this);
 if(returnVal == JFileChooser.APPROVE_OPTION)
 {
 file = fc.getSelectedFile().getName();
 }
 icon = new ImageIcon( file );
 image = icon.getImage().getScaledInstance(128, 128, Image.SCALE_SMOOTH);
 button.setIcon(new ImageIcon(image));
 button.repaint();
 }
}