Simple eventhandling for frames and so on in java

events.java

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

class MyFrame extends JFrame {
    private JFrame reference = this;
    JButton myButton = new JButton();
    myButton.setText("Exit Applcation ...");
    
    /* Add listener for the button to close */
    myButton.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent ev) {
            reference.dispose();
        }
    });
}