Java ImageIcon hakkında bir soru

 
     private static ImageIcon createImageIcon(String path, 
        String description) { 
        java.net.URL imgURL = SwingControlDemo.class.getResource(path); 
        if (imgURL != null) { 
           return new ImageIcon(imgURL, description); 
        } else {             
           System.err.println("Couldn't find file: " + path); 
           return null; 
        } 
     } 
  

 
     private void showImageIconDemo(){ 
        headerLabel.setText("Control in action: ImageIcon");  
  	   
        ImageIcon icon = createImageIcon("/resources/java_coffe.png","Java"); 
         
        JLabel commentlabel = new JLabel("", icon,JLabel.CENTER); 
   
        controlPanel.add(commentlabel); 
   
        mainFrame.setVisible(true);   
     }