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import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Hy
{
public static void main(String[] args)
{
JFrame frame = new ButtonFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
}
}
class ButtonFrame extends JFrame implements MouseMotionListener
{
private final JButton button;
private JPanel p;
public void mouseMoved(MouseEvent e)
{
int x=e.getX();
int y=e.getY();
if (button.contains(x,y) ){button.setBackground(Color.blue);}
else {button.setBackground(Color.red);}
repaint() ;
}
public void mouseDragged(MouseEvent e)
{}
public ButtonFrame()
{
setTitle("ButtonTest");
setSize(300, 200);
button = new JButton("clic1 ");
p = new JPanel();
p.add(button);
p.addMouseMotionListener(this);
button.addMouseMotionListener(this);
addWindowListener(new WindowAdapter()
{ public void windowClosing(WindowEvent e)
{ System.exit(0);
}
} );
Container contentPane = getContentPane();
contentPane.add(p);
}
} |