TODO SWING JTEXTFIELD 3 en 10:27

NUEVO EJEMPLO
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class boton extends JApplet
{
    JTextField t1=new JTextField(30);
    JTextField t2=new JTextField(30);
    JButton b1=new JButton("DATOS");
    public void init()
    {
        Container c=getContentPane();
        c.setLayout(new FlowLayout());
        c.add(t1);
        c.add(t2);
        c.add(b1);
        b1.addActionListener(new ActionListener()
        {
            public void actionPerformed(ActionEvent e)
            {
                t1.setText("RODRIGO VILLANUVEA");
                t2.setText("SAN JUAN DE ARAGON");
            }
        });
 }
}