Thursday, 12 April 2018

Corejava-Slip14


Slip14.Write a Java program which will create a frame if we try to close it, it should  change it’s color and it remains visible on the screen(Use swing).


import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
class Slip14 extends JFrame
{
JPanel p = new JPanel();
Slip14()
{
setVisible(true);
setSize(400,400);
setTitle("Swing Background");
add(p);
addWindowListener(new WindowAdapter()
{
public void windowClosing(WindowEvent e)
{
p.setBackground(Color.GREEN);
JOptionPane.showMessageDialog(null,"Closewindow","Login",JOptionPane.INFORMATION_MESSAGE);
}
});
}
public static void main(String args[])
{
new Slip14();
}
}