Java.sun example won't compile

Question

hello..
I've just succefully installed the JDK and am trying a few things ou to ensure it works, which as yet it doesn't.
I'm using VIDE for the time being for my IDE
and try to compile this.... which has been taken straight out of the tutorial pages
//v 1.3
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class SwingApplication {
private static String labelPrefix = "Number of button clicks: ";
private int numClicks = 0;
public Component createComponents() {
final JLabel label = new JLabel(labelPrefix + "0 ");
JButton button = new JButton("I'm a Swing button!");
button.setMnemonic(KeyEvent.VK_I);
button.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
numClicks++;
label.setText(labelPrefix + numClicks);
label.setLabelFor(button);
* An easy way to put space between a top-level container
* and its contents is to put the contents in a JPanel
* that has an "empty" border.
JPanel pane = new JPanel();
pane.setBorder(BorderFactory.createEmptyBorder(
30, //top
30, //left
10, //bottom
30) //right
pane.setLayout(new GridLayout(0, 1));
pane.add(button);
pane.add(label);
return pane;
public static void main(String[] args) {
try {
UIManager.setLookAndFeel(
UIManager.getCrossPlatformLookAndFeelClassName());
} catch (Exception e) {}
//Create the top-level container and add contents to it.
JFrame frame = new JFrame("SwingApplication");
SwingApplication app = new SwingApplication();
Component contents = app.createComponents();
frame.getContentPane().add(contents, BorderLayout.CENTER);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.pack();
frame.setVisible(true);
the following errors occur, there are four and they all reffer to a swing component.
Type JLabel not found in the declaration of the local variable 'label'.
final JLabel label = new JLabel(labelPrefix + "0 ");
and there's a hat under the very first 'J'. Ditto for JFrame JButton and JPanel
Really confussed on this one everything seems to be in place the CLASSPATH is pointing to the lib directory where Javax et all are...
Cheers
A

Answer 1

well...
I'm using linix rehat 8 and my 'path' variable is set up the same as the installation instructions on a post close to this one... it is..
"PATH=/usr/local/bin:/usr/bin:/bin:/usr/X11R6/bin:/usr/X11R6/bin:/usr/local/vnc:/var/www:/home/software:/usr/java/j2sdk1.4.1_01/bin:/var/home/adam/bin"
I'm new to unix and so am still a little confused.. This is the path to the executables and not the library files such as javax.swing, correct?? I have also ditched the IDE and running from the command promt. I am trying again this morning and am geting an extra error apparently.....
" Can't find default package `javax.swing'. Check the CLASSPATH environment variable and the access to the archives"
could someone explain what CLASSPATH is please as I thought it was only applicable to Windows. The javax package has been unpacked.
Cheers
Adam