GUI is visible but content is not.

:confused:
I have two java classes extending JFrame: HTTPServer.java and Welcome.java. When I run HTTPServer.java with placing public static void main in it. It shows me the perfect GUI with all its content like button,table, etc. But when I call the object of HTTPServer within new ActionListener() in Welcome.java. It is not showing the content within GUI as it is showing the GUI only.

Code:

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            ActionListener actionListener = new ActionListener() {
                    public void actionPerformed(ActionEvent actionEvent) {
                            String command = actionEvent.getActionCommand();
                            if(command == "Commit"){
                                    add(mainPanel, BorderLayout.EAST);       
                                    int j = 0;
                                    while(selectedServers[j] != -1){                                           
                                            System.out.println(serverOptions[selectedServers[j]] + " ");
                                            j++;
                                            }
                                    new HTTPServerSim();
                                    }
                            if(command == "Reset")
                                    serverList.clearSelection();
                            if(command == "Cancel")
                                    System.exit(0);
                            }
                    };

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Both the java files are within same package.Please help as Iam stuck becoz of this.

Is it the content of the HTTPServerSim() class that is not showing?

Not sure if this will help, but you can try calling the following two methods at the end of HTTPServerSim's constructor:

this.repaint();
this.validate();

Good luck

paste the main code and ask.

I added code tags to your original post to help make it readable. I've got a concern here:

Code:

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if(command == "Commit"){

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While this probably has nothing to do with your current problem (and I'm suspecting a threading issue here but can't tell based in info provided), you will rarely want to compare Strings with == or !=, but rather would usually want to use the equals or equalsIgnoreCase methods, i.e.,

Code:

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if(command.equals("Commit")) {

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