Java Basic(52)-Event Handling

import java.awt.FlowLayout;

import java.awt.event.ActionListener;

import java.awt.event.ActionEvent;

import javax.swing.JFrame;

import javax.swing.JTextField;

import javax.swing.JPasswordField;

import javax.swing.JOptionPane;

public class tuna extends JFrame{

private JTextField item1;

private JTextField item2;

private JTextField item3;

private JPasswordField passwordField;

public tuna(){

super("The title");

setLayout(new FlowLayout());

item1 = new JTextField(10);

add(item1);

item2 = new JTextField("enter text here");

add(item2);

item3 = new JTextField("uneditable");

item3.setEditable(false);

add(item3);

passwordField = new JPasswordField("mypass");

add(passwordField);

}

}