📄 windowlistenerdemo.java
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// WindowListenerDemo.java
import java.awt.*;
import java.awt.event.*;
class WindowListenerDemo extends Frame implements WindowListener
{
WindowListenerDemo (String title)
{
super (title);
addWindowListener (this);
setSize (100, 100);
setVisible (true);
}
public void windowOpened (WindowEvent e)
{
System.out.println ("window opened");
}
public void windowClosing (WindowEvent e)
{
System.out.println ("window closing");
dispose ();
}
public void windowClosed (WindowEvent e)
{
System.out.println ("window closed");
System.exit (0);
}
public void windowIconified (WindowEvent e)
{
System.out.println ("window iconified");
}
public void windowDeiconified (WindowEvent e)
{
System.out.println ("window deiconified");
}
public void windowActivated (WindowEvent e)
{
System.out.println ("window activated");
}
public void windowDeactivated (WindowEvent e)
{
System.out.println ("window deactivated");
}
public static void main (String [] args)
{
new WindowListenerDemo ("Window Listener Demo");
}
}
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