Java tutorial
import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JTextField; public class Main { public static void main(String[] args) { JPanel panel = new JPanel(); panel.add(new JTextField(10)); panel.add(new JButton("button")); JFrame frame = new JFrame(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.add(panel); frame.pack(); frame.setVisible(true); frame.addWindowListener(new WindowAdapter() { @Override public void windowIconified(WindowEvent wEvt) { ((JFrame) wEvt.getSource()).dispose(); } @Override public void windowDeactivated(WindowEvent wEvt) { ((JFrame) wEvt.getSource()).dispose(); } }); } }