radio button error

hi i'm a currently creating a program for my coursework and i am new to java could someone give me some help please thanks the code is

import static javax.swing.JOptionPane.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.event.*;
import javax.swing.*;
import java.text.DecimalFormat;

public class ticket extends JFrame implements ActionListener {

static final double SINGLE = 1.40;
static final double RETURN = 2.40;
static final double ZONE_A = 3.80;
static final double ZONE_A_B = 5.50;

DecimalFormat pounds = new DecimalFormat("£0.00");
private String id;
private JTextField ticket = new JTextField(5);
private JTextField stp = new JTextField(5);
int amount = 0; //pay in pence
private JTextField change = new JTextField(5);
private JTextField paid = new JTextField(5);
private JButton ten = new JButton("10p");
private JButton twenty = new JButton("20p");
private JButton fifty = new JButton("50p");
private JButton pound = new JButton("£1");
private JButton two = new JButton("£2");
private JButton five = new JButton("£5");
private JButton tenp = new JButton("£10");
private JButton twentyp = new JButton("£20");
private JButton cancel = new JButton("Cancel");
private JRadioButton single = new JRadioButton("single (£1.40)",false);
private JRadioButton Return = new JRadioButton("return (£2.40)",false);
private JRadioButton zoneA = new JRadioButton("Zone A (£3.80)",false);
private JRadioButton zoneAB = new JRadioButton("Zone A B (£5.50)",false);
ButtonGroup type =new ButtonGroup();
// The spinner give double values in the range 1 to 10.
// From the spinner, the user can only purchase 10 tickets at a time!
private JSpinner numtick = new JSpinner(new SpinnerNumberModel(1, 0, 10, 1));
private int stpno = 0;
private int size = 0;
// Set as private so that it can only be used in this class and no others. Set as public to be used in other classes.

public static void main(String[] args)
{
new ticket();
}
public ticket()
{
setLayout(new BorderLayout());
setSize(700, 150);
setTitle("Redwich Trams - Ticket Machine");
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JPanel top = new JPanel();
top.setLayout(new FlowLayout());
top.add(new JLabel("Ticket Type: "));

type.add(single);
type.add(Return);
type.add(zoneA);
type.add(zoneAB);
top.add(single);
top.add(Return);
top.add(zoneA);
top.add(zoneAB);
top.add(new JLabel(" Tickets"));
top.add(numtick);
single.addActionListener(this);
Return.addActionListener(this);
zoneA.addActionListener(this);
zoneAB.addActionListener(this);

add("North", top);
setVisible(true);

JPanel middle = new JPanel();
middle.setLayout(new FlowLayout());
middle.add(new JLabel("Ticket Type: "));
setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOS E);
middle.add(ten);
middle.add(twenty);
middle.add(fifty);
middle.add(pound);
middle.add(two);
middle.add(five);
middle.add(tenp);
middle.add(twentyp);
middle.add(cancel);
ten.addActionListener(this);
twenty.addActionListener(this);
fifty.addActionListener(this);
pound.addActionListener(this);
two.addActionListener(this);
five.addActionListener(this);
tenp.addActionListener(this);
twentyp.addActionListener(this);
add("center", middle);
setVisible(true);

JPanel bottom = new JPanel();
bottom.setLayout(new FlowLayout());
bottom.add(new JLabel(" Ticket Cost:"));
bottom.add(ticket);
bottom.add(new JLabel(" Amount Paid:"));
bottom.add(paid);
bottom.add(new JLabel(" Amount Still To Pay:"));
bottom.add(stp);
stp.setEditable(false);
bottom.add(new JLabel(" Change:"));
bottom.add(change);
ticket.setEditable(false);
paid.setEditable(false);

change.setEditable(false);
ticket.setText("£0.00");
stp.setText("£0.00");
change.setText("£0.00");
paid.setText("£0.00");
add("South", bottom);
setVisible(true);
}
public void actionPerformed(ActionEvent e)
{
if (e.getSource() == ten) amount -= 10;
if (e.getSource() == twenty) amount -= 20;
if (e.getSource() == fifty) amount -= 50;
if (e.getSource() == pound) amount -= 100;
if (e.getSource() == two) amount -= 200;
if (e.getSource() == five) amount -= 500;
if (e.getsource() == tenp) amount -= 1000;
if (e.getsource() == twentyp) amount -= 2000;
}

double tp = 0;
int noticket = Integer.parseInt(""+numticket.getValue());
if (single.isSelected()) tp = 1.40;
{

ticket.setText(pounds.format(tp));
stp.setText(pounds.format(tp));
}

if (Return.isSelected()) tp = 2.40;
{

ticket.setText(pounds.format(tp));
stp.setText(pounds.format(tp));
}

if (zoneA.isSelected()) tp = 3.80;
{
JOptionPane.showMessageDialog(this, "Zone A (Between Kingstone Town and Parkon City (£3.80) has been selected.");
ticket.setText(pounds.format(tp));
stp.setText(pounds.format(tp));
}

if (zoneAB.isSelected()) tp = 5.50;
{
ticket.setText(pounds.format(tp));
stp.setText(pounds.format(tp));
}

if (e.getSource() == cancel);
{
ticket.setText("£0.00");
stp.setText("£0.00");
change.setText("£0.00");
paid.setText("£0.00");
}

if (e.getSource() == bExit) {
System.exit(0);
}

}

the error is

---------- javac ----------
ticket.java:135: illegal start of type
if (single.isSelected()) tp = 1.40;
^
ticket.java:135: <identifier> expected
if (single.isSelected()) tp = 1.40;
^
ticket.java:135: ';' expected
if (single.isSelected()) tp = 1.40;
^
ticket.java:135: illegal start of type
if (single.isSelected()) tp = 1.40;
^
ticket.java:142: illegal start of type
if (Return.isSelected()) tp = 2.40;
^
ticket.java:142: <identifier> expected
if (Return.isSelected()) tp = 2.40;
^
ticket.java:142: ';' expected
if (Return.isSelected()) tp = 2.40;
^
ticket.java:142: illegal start of type
if (Return.isSelected()) tp = 2.40;
^
ticket.java:149: illegal start of type
if (zoneA.isSelected()) tp = 3.80;
^
ticket.java:149: <identifier> expected
if (zoneA.isSelected()) tp = 3.80;
^
ticket.java:149: ';' expected
if (zoneA.isSelected()) tp = 3.80;
^
ticket.java:149: illegal start of type
if (zoneA.isSelected()) tp = 3.80;
^
ticket.java:156: illegal start of type
if (zoneAB.isSelected()) tp = 5.50;
^
ticket.java:156: <identifier> expected
if (zoneAB.isSelected()) tp = 5.50;
^
ticket.java:156: ';' expected
if (zoneAB.isSelected()) tp = 5.50;
^
ticket.java:156: illegal start of type
if (zoneAB.isSelected()) tp = 5.50;
^
ticket.java:162: illegal start of type
if (e.getSource() == cancel);
^
ticket.java:162: <identifier> expected
if (e.getSource() == cancel);
^
ticket.java:162: ';' expected
if (e.getSource() == cancel);
^
ticket.java:162: illegal start of type
if (e.getSource() == cancel);
^
ticket.java:162: ';' expected
if (e.getSource() == cancel);
^
ticket.java:170: illegal start of type
if (e.getSource() == bExit) {
^
ticket.java:170: <identifier> expected
if (e.getSource() == bExit) {
^
ticket.java:170: ';' expected
if (e.getSource() == bExit) {
^
ticket.java:170: illegal start of type
if (e.getSource() == bExit) {
^
ticket.java:170: ';' expected
if (e.getSource() == bExit) {
^
26 errors

Output completed (0 sec consumed) - Normal Termination

Check your curly brackets; you have statements outside of the body of a method; that makes your compiler whine ...

kind regards,

Jos

thanks that really helped me i've solved the problem now :(happy):