package tabella;

import javax.swing.*;
import java.awt.*;

public class Tabella implements java.awt.event.ActionListener {

    public static void main (String args[]) {
        createAndShowGUI();
    }

        @Override
        public void actionPerformed(java.awt.event.ActionEvent evt) {
            javax.swing.JOptionPane.showMessageDialog(null, evt.getActionCommand(), "Evento", JOptionPane.OK_OPTION);
        }

    private static void createAndShowGUI() {

        JFrame frame = new JFrame("Grid");
        frame.setLayout(new GridLayout(8,4));
        JButton[] buttons = new JButton[61];
                frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

                for(int i=0; i <= 60; ++i) {
                    buttons[i] = new JButton(Integer.toString(i));
                    frame.add(buttons[i]);
                    buttons[i].addActionListener(new Tabella());
                 }

        frame.pack();
        frame.setVisible(true);

    }


}