Java - Eventos de botón.

for(int i = 0; i<10; i++) {

fila2.add(botones = new JButton(String.valueOf(i)));

            botones.addMouseListener(this);

}

import java.awt.event.ActionListener;

import java.awt.event.MouseEvent;

import java.awt.event.MouseListener;

import javax.swing.JButton;

import javax.swing.JFrame;

public class BotoML implements MouseListener{

	JFrame finestra;

	JButton boto;

	public BotoML() {

		finestra = new JFrame();

		finestra.setSize(300, 300);

		finestra.setLocationRelativeTo(null);

		finestra.setLayout(null);

		finestra.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

		boto = new JButton("HOLAA");

		boto.addMouseListener(this);

		boto = treureActionListener(boto);

		boto.setBounds(80, 80, 80, 80);

		finestra.add(boto);

		finestra.setVisible(true);

	}

	public JButton treureActionListener(JButton j){

		JButton aux = j;

		for(ActionListener a : j.getActionListeners()){

			aux.removeActionListener(a);

		}

		return aux;

	}

	@Override

	public void mouseClicked(MouseEvent arg0) {}

	@Override

	public void mouseEntered(MouseEvent arg0) {}

	@Override

	public void mouseExited(MouseEvent arg0) {}

	@Override

	public void mousePressed(MouseEvent arg0) {}

	@Override

	public void mouseReleased(MouseEvent arg0) {

		System.out.println("HOLA :D");

	}

	public static void main(String[] args) {

		// TODO Auto-generated method stub

		new BotoML();

	}

}