Avoid getting same look and feel info from previous class to next class in java

Question

I have two java classes. Second one appears by the button on first java class. I have set substance look and feel on first java class once I genarate the second java class by pressing the button in first java class it also comes with the same look and feel info in first class. How can I get rid of this ?? Please help me..

Substance look and feel in my first class ---------------------------------------------

java.awt.EventQueue.invokeLater(new Runnable() {
    public void run() {
        try {
            UIManager.setLookAndFeel("org.jvnet.substance.skin.SubstanceRavenGraphiteGlassLookAndFeel");
            new TestFrame().setVisible(true);
        } catch (ClassNotFoundException ex) {
            Logger.getLogger(TestFrame.class.getName()).log(Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            Logger.getLogger(TestFrame.class.getName()).log(Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            Logger.getLogger(TestFrame.class.getName()).log(Level.SEVERE, null, ex);
        } catch (UnsupportedLookAndFeelException ex) {
            Logger.getLogger(TestFrame.class.getName()).log(Level.SEVERE, null, ex);
        }

    }
});