import javax.swing.*;
import java.awt.event.*;

public class window1 {
	static JFrame mywindow;
	public static void main(String[] args) {
		mywindow=new JFrame("mywindow");
		mywindow.addWindowListener(new WindowAdapter() {
			public void windowClosing(WindowEvent e) {
				System.exit(0);
			}
		});
		mywindow.setBounds(100,100,300,200);
		mywindow.setVisible(true);
	}
}