MyAdapterClass

import java.awt.*;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.*;

public class MyAdapterClass {

  public static void main(String args[]) {
    SwingUtilities.invokeLater(() -> {
      JFrame frame = new JFrame("MouseAdapter Demo");
      frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
      JLabel label = new JLabel();
      JPanel panel = new JPanel();
      panel.setPreferredSize(new Dimension(300, 200));
      panel.addMouseListener(
        new MouseAdapter() {
          @Override
          public void mouseClicked(MouseEvent e) {
            label.setText(
              "Mouse Clicked at(" + e.getX() + "," + e.getY() + ")"
            );
          }
        }
      );
      panel.add(label);
      frame.add(panel);
      frame.pack();
      frame.setVisible(true);
    });
  }
}