13. Adapter class - Override click method only - Counter of clicks

import java.awt.*;
import java.awt.event.*;
import java.util.logging.Handler;
import javax.swing.*;
// Adapter classes is for implemetning a class but overriding only the methods you need

public class Gui extends JFrame{

    // Variables
    private String details;
    private JLabel statusbar;

    // Constructor
    public Gui(){

        super("JFrame's title");
        statusbar = new JLabel("This is default");
        add(statusbar, BorderLayout.SOUTH);
        addMouseListener(new Mouseclass());
    }

    // New class
    private class Mouseclass extends MouseAdapter{
        // I am allowed to override whatever I want
        public void mouseClicked(MouseEvent event){
            details = String.format("You clicked at %d %d", event.getX(), event.getY());
            details += String.format(" --- Clicks counter =  %d", event.getClickCount());
            if(event.isMetaDown()){
                // Right mouse button is the meta key
                details += " --- With right mouse button";
            }
            else if(event.isAltDown()){
                details += " --- With center mouse button";
            }
            else{
                details += " --- With left mouse button";
            }
            statusbar.setText(details);
        }
    }

    // Main Function
    public static void main(String[] args){
        Gui gui = new Gui();
        gui.setDefaultCloseOperation(EXIT_ON_CLOSE);
        gui.setSize(600, 600);
        gui.setVisible(true);
    }

}