Swing Components Java


            import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class ab extends JWindow
 {
 private int X=0;
 private int Y=0;
 public ab()
 {
 setBounds(50,50,200,200);
 addWindowListener(new WindowAdapter()
 {
 public void windowClosing(WindowEvent e)
 {
 System.exit(0);
 }
 });
 addMouseListener(new MouseAdapter()
 {
 public void mousePressed(MouseEvent e)
 {
 X=e.getX();
 Y=e.getY();
 }
 });
 addMouseMotionListener(new MouseMotionAdapter()
 {
 public void mouseDragged(MouseEvent e)
 {
 setLocation(getLocation().x+(e.getX()-X),getLocation().y+(e.getY()-Y));
 }
 });
 setVisible(true);
 }
 public static void main(String[] args)
 {
 new ab();
 }
}