Re: No Main Window

"Peter Christensen" <peter.christensen@THRWHITE.remove-dii-this>
Wed, 27 Apr 2011 15:30:21 GMT
Thanks for the reply.

Pete C

"Michael Rauscher" <> skrev i en meddelelse

Peter Christensen schrieb:

It's really important for me, that all windows have exactely the same
status, and they will also have basically the same menues in practice.
They will all be objects of the same subclass.

Sure, they're all instances of JFrame.

I don't think it will be a problem to implement, even though it might be
a bit unusual. Is this correct?

It's not unusual. Firefox, Open-Office and AFAIK MS-Word are examples of
applications that exit when you close the last open window.

And yes, it shouldn't be a big problem to implement this.

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

public class Test {
    private ActionListener listener = new ActionListener() {
        public void actionPerformed( ActionEvent e ) {

    private JMenuBar createMenuBar() {
        JMenuBar menuBar = new JMenuBar();
        JMenu menu = new JMenu("File");
        JMenu newMenu = new JMenu("New");

        JMenuItem item = new JMenuItem("Window");


        return menuBar;

    public void createAndShowGUI() {
        JFrame frame = new JFrame("Test");
        frame.setDefaultCloseOperation( JFrame.DISPOSE_ON_CLOSE );
        frame.setJMenuBar( createMenuBar() );

    public static final void main( String args[] ) {
        SwingUtilities.invokeLater( new Runnable() {
            public void run() {
                new Test().createAndShowGUI();


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