Reference to container in actionlistener
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
public class TestAction extends JFrame {
public TestAction() {
this.setTitle("Test Click action");
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setSize(300, 300);
this.setLocation(200, 200);
JButton button = new JButton("click me");
button.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
JOptionPane.showMessageDialog(TestAction.this, TestAction.this.getTitle());
}
});
this.getContentPane().add(button);
this.setVisible(true);
}
public static void main(String[] args) {
new TestAction();
}
}