Title Icon or Favicon?

[john gere]

I am using Netbeans 7.0.1. I wish to change the little javacup icon to the top left of the gui Desktop application. I did some searching and found a contribution that wishes to replace some code:

@Override protected void startup() { 
       /show(new GetQuestionsView(this)); 
} 

with this code

ImageIcon imagine; 
        java.net.URL imgURL = this.getClass().getResource("resources/favicon.ico"); 
        imagine = new ImageIcon(imgURL); 

        GetQuestionsView main = new GetQuestionsView(this); 
        JFrame frame = main.getFrame(); 
        frame.setIconImage(imagine.getImage()); 
        show(main); 

The favicon.ico being my file, the icon I wish to display on the title bar of the desktop gui. None of these solutions work. Any other ideas?