I am using the below code but i am getting the error at .getInstance. i am using the itext.jar now.Plz help to me

<%@page import="java.io.*"%>
<%@page import="com.lowagie.text.*"%>
<%@page import="com.lowagie.text.pdf.*"%>
<%
Document document=new Document();
PdfWriter.getInstance(document,new FileOutputStream("C:/imagesPDF.pdf"));
document.open();
Image image = Image.getInstance("C:/image2.png");
Image image1 = Image.getInstance("C:/node.jpg");
document.add(image);
document.add(image1);
document.close();