public class HelloWorldDemo extends Frame {

    public HelloWorldDemo() {
        super("Basic JOGL Demo");

        setLayout(new BorderLayout());
        addWindowListener(this);

        setSize(600, 600);
        setLocation(40, 40);

        setVisible(true);

        setupJOGL();
    }

    public static void main(String[] args) {
        HelloWorldDemo demo = new HelloWorldDemo();
        demo.setVisible(true);
    }
}