Au secours programmeur en java

Bonjour,
s'il vous plais ,j'ai ercirs le code qui suit et il ma renvoyer les erreurs suivantes.

public class TestMenu extends JFrame implements ActionListener {
private JMenuItem newItem;
private JMenuItem quitItem;

private void createMenu () {
JMenuBar menuBar = new JMenuBar ();
JMenu fileMenu = new JMenu ("Fichier");

newItem = new JMenuItem ("Nouveau");
newItem.addActionListener (this);

quit Item = new JMenuItem ("Quitter");
quitItem.addActionListener (this);

fileMenu.add (newItem);
fileMenu.addSeparator ();
fileMenu.add (quitMenu);

menuBar.add (fileMenu);

setJMenu (menuBar);
}

public TestMenu () {
super ("Test Menu");
// ...

createMenu ();
}

public void actionPerformed (ActionEvent ae) {
if (ae.getSource () == newItem) {
// ...
}
else if (ae.getSource () == quitItem)
System.exit (0);
}
}


et me renvois ces erreurs, ou est ce que j'ai pecher aidezmoi svp

C:\Documents and Settings\Moubeyi\Desktop\TestMenu.java:1: cannot resolve symbol
symbol : class JFrame
location: class TestMenu
public class TestMenu extends JFrame implements ActionListener {
^
C:\Documents and Settings\Moubeyi\Desktop\TestMenu.java:1: cannot resolve symbol
symbol : class ActionListener
location: class TestMenu
public class TestMenu extends JFrame implements ActionListener {
^
C:\Documents and Settings\Moubeyi\Desktop\TestMenu.java:2: cannot resolve symbol
symbol : class JMenuItem
location: class TestMenu
private JMenuItem newItem;
^
C:\Documents and Settings\Moubeyi\Desktop\TestMenu.java:3: cannot resolve symbol
symbol : class JMenuItem
location: class TestMenu
private JMenuItem quitItem;
^
C:\Documents and Settings\Moubeyi\Desktop\TestMenu.java:31: cannot resolve symbol
symbol : class ActionEvent
location: class TestMenu
public void actionPerformed (ActionEvent ae) {
^
C:\Documents and Settings\Moubeyi\Desktop\TestMenu.java:6: cannot resolve symbol
symbol : class JMenuBar
location: class TestMenu
JMenuBar menuBar = new JMenuBar ();
^
C:\Documents and Settings\Moubeyi\Desktop\TestMenu.java:6: cannot resolve symbol
symbol : class JMenuBar
location: class TestMenu
JMenuBar menuBar = new JMenuBar ();
^
C:\Documents and Settings\Moubeyi\Desktop\TestMenu.java:7: cannot resolve symbol
symbol : class JMenu
location: class TestMenu
JMenu fileMenu = new JMenu ("Fichier");
^
C:\Documents and Settings\Moubeyi\Desktop\TestMenu.java:7: cannot resolve symbol
symbol : class JMenu
location: class TestMenu
JMenu fileMenu = new JMenu ("Fichier");
^
C:\Documents and Settings\Moubeyi\Desktop\TestMenu.java:9: cannot resolve symbol
symbol : class JMenuItem
location: class TestMenu
newItem = new JMenuItem ("Nouveau");
^
C:\Documents and Settings\Moubeyi\Desktop\TestMenu.java:12: cannot resolve symbol
symbol : class quit
location: class TestMenu
quit Item = new JMenuItem ("Quitter");
^
C:\Documents and Settings\Moubeyi\Desktop\TestMenu.java:12: cannot resolve symbol
symbol : class JMenuItem
location: class TestMenu
quit Item = new JMenuItem ("Quitter");
^
C:\Documents and Settings\Moubeyi\Desktop\TestMenu.java:17: cannot resolve symbol
symbol : variable quitMenu
location: class TestMenu
fileMenu.add (quitMenu);
^
13 errors

Tool completed with exit code 1