Handle JFrame window events
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JFrame;
public class Main extends JFrame {
public Main() {
setSize(300, 300);
setTitle("Window Listener");
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.addWindowListener(new WindowAdapter() {
public void windowOpened(WindowEvent e) {
System.out.println("Window Opened Event");
}
public void windowClosing(WindowEvent e) {
System.out.println("Window Closing Event");
}
public void windowClosed(WindowEvent e) {
System.out.println("Window Close Event");
}
public void windowIconified(WindowEvent e) {
System.out.println("Window Iconified Event");
}
public void windowDeiconified(WindowEvent e) {
System.out.println("Window Deiconified Event");
}
public void windowActivated(WindowEvent e) {
System.out.println("Window Activated Event");
}
public void windowDeactivated(WindowEvent e) {
System.out.println("Window Deactivated Event");
}
public void windowStateChanged(WindowEvent e) {
System.out.println("Window State Changed Event");
}
public void windowGainedFocus(WindowEvent e) {
System.out.println("Window Gained Focus Event");
}
public void windowLostFocus(WindowEvent e) {
System.out.println("Window Lost Focus Event");
}
});
}
public static void main(String[] args) {
new Main().setVisible(true);
}
}
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