error creating JDialog

[kelvin cheung]

 import   javax.swing.*;
import   java.awt.event.*;
import   java.awt.*;
public class AdminLogIn {
    
    JLabel lblBrukernavn;
    JLabel lblPassord;
    JTextField txtBrukernavn;
    JPasswordField passordFelt;
    JDialog AdminLogIn;
    
    /** Creates a new instance of AdminMeny */
    public AdminLogIn() {
        
       // public void createAdminFrame() {
       // System.out.println("�pner administrasjons menyen");
       
    AdminLogIn = new JDialog(null, "Administrator Log-inn", true); 
    //AdminLogIn.setTitle("Innlogging for administrasjon");
    AdminLogIn.getContentPane().setLayout(null);
    AdminLogIn.setBounds(150,150,300,250);
    
    lblBrukernavn = new JLabel("Bruker-ID");
    lblPassord = new JLabel("Passord");
    
    lblBrukernavn.setBounds(20,20,120,40);
    lblPassord.setBounds(20,70,120,40);
    
    AdminLogIn.getContentPane().add(lblBrukernavn);
    AdminLogIn.getContentPane().add(lblPassord);
    
    txtBrukernavn = new JTextField("");
    passordFelt = new JPasswordField(15);
    
    txtBrukernavn.setBounds(160,20,120,40);
    passordFelt.setBounds(160,70,120,40);
    
    AdminLogIn.getContentPane().add(txtBrukernavn);
    AdminLogIn.getContentPane().add(passordFelt);
    
    JButton btnOK = new JButton("OK");
        btnOK.setBounds(190,170,70,40);
        btnOK.addActionListener(new ActionListener(){
            public void actionPerformed(ActionEvent e)
            {
              //  showAdminMeny();
            }});
        
        JButton btnCancel = new JButton("Avbryt");
        btnCancel.setBounds(110,170,70,40);
        btnCancel.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {AdminLogIn.setVisible(false); }});
    
    AdminLogIn.getContentPane().add(btnOK);
    AdminLogIn.getContentPane().add(btnCancel);
    
    AdminLogIn.show();
 
    }
    
} 

AdminLogIn.java [28:1] reference to JDialog is ambiguous, both method JDialog(java.awt.Dialog,java.lang.String,boolean) in javax.swing.JDialog and method JDialog(java.awt.Frame,java.lang.String,boolean) in javax.swing.JDialog match
AdminLogIn = new JDialog(null, "Administrator Log-inn", true);
^
1 error
Errors compiling AdminLogIn.

what have i forgot to do?

[kelvin cheung]

ok...
i forgot :
extends JFrame


sorry for this useless post...
feel free to see it deleted