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import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.WindowConstants;
class WindowEventHandler extends WindowAdapter {
public void windowClosing(WindowEvent evt) {
System.exit(0);
}
}
public class TJFrame {
public static void main(String[] args) {
JFrame frame = new JFrame("Swing Frame");
JLabel label = new JLabel("This is a Swing frame", JLabel.CENTER);
frame.add(label);
frame.addWindowListener(new WindowEventHandler());
frame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
frame.setSize(350, 200); // width=350, height=200
frame.setVisible(true); // Display the frame
}
}
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