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import java.awt.*;
import java.awt.event.*;
class mWindowAdapter extends WindowAdapter{
public void windowClosing(WindowEvent e) {
System.out.println("Opened");
}
}
class win
{
public static void main(String[] args) {
Frame f = new Frame("123");
f.setSize(500,400);
f.setLocation(300,200);
f.setLayout(new FlowLayout());
f.addWindowListener(new mWindowAdapter());
f.setVisible(true);
}
}