Evento de Botões

import javax.swing.<em>;

import java.awt.</em>;

import java.awt.event.*;

class tx2 extends JFrame implements ActionListener{

JButton b1;

JButton b2;

JTextField tf;

JPanel jp;

public void getFrame(){
	b1 = new JButton("Abdon");
	b2 = new JButton("Megale");
	jp = new JPanel();
	tf = new JTextField("Text 1");
	
	getContentPane().add(tf, BorderLayout.NORTH);
	getContentPane().add(jp);
	jp.setLayout(new GridLayout(2,1));
	jp.add(b1);
	jp.add(b2);
	
	setVisible(true);
	pack();
	setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

	b1.addActionListener(this);
   
}   

public void actionPerformed(ActionEvent a){
	tf.setText("Abdon");
}

class Bidon{

public static void main(String args[]){

tx2 t = new tx2();

t.getFrame();

}

}