Trouble with JFrame AddressBook to file

I am having trouble getting the code to work. it needs to create an address book and creates a file from the inputted data. Please advice how to fix the code I have.

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

public class AddressBook extends JFrame implements ActionListener
{
FlowLayout leftLayout;
JFrame winNew;
private static JPanel pTitle;
private static JPanel pName;

private static JPanel pAddress;
private static JPanel pPhoneNumber;
private static JPanel pEmail;
private static JPanel pButtons;
private static JLabel lblTitle;
private static JLabel lblName;
private static JLabel lblAddress;
private static JLabel lblPhoneNumber;
private static JLabel lblEmail;
private static JTextField txtName;
private static JTextField txtAddress;
private static JTextField txtPhoneNumber;
private static JTextField txtEmail;
private static JButton btnImport;
private static JButton btnAdd;
private static JButton btnPrevious;
private static JButton btnNext;
private static JButton btnSave;

public static void main(String[] args)
{
AddressBook project = new AddressBook();
}
public AddressBook()
{

final int WIDTH = 450;
final int HEIGHT = 400;
JFrame win = new JFrame("Address Book");
win.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
leftLayout = new FlowLayout(FlowLayout.LEFT);
pTitle = new JPanel();
pTitle.setLayout(new FlowLayout(FlowLayout.CENTER));
lblTitle = new JLabel("Address Book");
pTitle.add(lblTitle);
win.add(pTitle);
win.setLayout(new GridLayout(6,1));
win.setSize(WIDTH, HEIGHT);
win.setBackground(Color.BLUE);
win.setResizable(false);
win.setLocationRelativeTo(null);
pName = new JPanel();
pName.setLayout(leftLayout);
lblName = new JLabel("Name: ");
txtName = new JTextField(20);
win.add(pName);
pName.add(lblName);
pName.add(txtName);
pAddress = new JPanel();
pAddress.setLayout(leftLayout);
lblAddress = new JLabel("Address: ");
txtAddress = new JTextField(30);
win.add(pAddress);
pAddress.add(lblAddress);
pAddress.add(txtAddress);
pPhoneNumber = new JPanel();
pPhoneNumber.setLayout(leftLayout);
lblPhoneNumber = new JLabel("Phone Number: ");
txtPhoneNumber = new JTextField(12);
win.add(pPhoneNumber);
pPhoneNumber.add(lblPhoneNumber);
pPhoneNumber.add(txtPhoneNumber);
pEmail = new JPanel();
pEmail.setLayout(leftLayout);
lblEmail = new JLabel("Email: ");
txtEmail = new JTextField(30);
win.add(pEmail);
pEmail.add(lblEmail);
pEmail.add(txtEmail);
pButtons = new JPanel();
btnImport = new JButton("Import");
pButtons.add(btnImport);
btnImport.addActionListener(this);
btnAdd = new JButton("Add");
pButtons.add(btnAdd);
btnAdd.addActionListener(this);
btnPrevious = new JButton("Previous");
pButtons.add(btnPrevious);
//btnPrevious.addActionListener(this);
btnNext = new JButton("Next");
pButtons.add(btnNext);
//btnNext.addActionListener(this);
win.add(pButtons);
win.setVisible(true);
}

JFileChooser chooser = new JFileChooser();
public void actionPerformed(ActionEvent e)
{
if(e.getSource() == btnAdd)
AddContact();
else if(e.getSource() == Import)
    int returnVal = fc.showOpenDialog (AddressBook.this);
    }
public void AddContact()
{
newContactFrame();
}
public void newContactFrame()
{
final int WIDTH = 375;
final int HEIGHT = 325;
winNew = new JFrame("Add New Contact");
leftLayout = new FlowLayout(FlowLayout.LEFT);
pTitle = new JPanel();
pTitle.setLayout(new FlowLayout(FlowLayout.CENTER));
lblTitle = new JLabel("New Contact");
pTitle.add(lblTitle);
winNew.add(pTitle);
winNew.setLayout(new GridLayout(6,1));
winNew.setSize(WIDTH, HEIGHT);
winNew.setBackground(Color.BLUE);
pName = new JPanel();
pName.setLayout(leftLayout);
lblName = new JLabel("Name: ");
txtName = new JTextField(20);
winNew.add(pName);
pName.add(lblName);
pName.add(txtName);
pAddress = new JPanel();
pAddress.setLayout(leftLayout);
lblAddress = new JLabel("Address: ");
txtAddress = new JTextField(30);
winNew.add(pAddress);
pAddress.add(lblAddress);
pAddress.add(txtAddress);
pPhoneNumber = new JPanel();
pPhoneNumber.setLayout(leftLayout);
lblPhoneNumber = new JLabel("Phone Number: ");
txtPhoneNumber = new JTextField(12);
winNew.add(pPhoneNumber);
pPhoneNumber.add(lblPhoneNumber);
pPhoneNumber.add(txtPhoneNumber);
pEmail = new JPanel();
pEmail.setLayout(leftLayout);
lblEmail = new JLabel("Email: ");
txtEmail = new JTextField(30);
winNew.add(pEmail);
pEmail.add(lblEmail);
pEmail.add(txtEmail);
pButtons = new JPanel();
btnSave = new JButton("Save");
pButtons.add(btnSave);
btnSave.addActionListener(this);
winNew.add(pButtons);
winNew.setVisible(true);
}
 }