How to get Node value In a DOM Tree

[Seetha Rama Krishna <ram_kurra@yahoo.co.in>]

Hello Techies,
  I am trying to create a DOM Tree. I had create Node's for the DOM Tree. I want to know how to set the Values to these Nodes.
  
  Element root = null;
  DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
  DocumentBuilder builder = factory.newDocumentBuilder();
  Document document = builder.newDocument();
  root = document.createElement(Root_Element);
  document.appendChild(root);
  Element applicationElement =document.createElement(Application_Element);
             applicationElement.setNodeValue("krish");
    root.appendChild(applicationElement);
   
  
  
  
  
  Now when I try to get the This Node Value , I am getting null Pointer Exception.
  Here is my code of retrieving the node value
  
  NodeList applicationNodeList = null;
   applicationNodeList =finalElement.getElementsByTagName("application");
 
  System.out.println("applicationNodeList size"+applicationNodeList.getLength());
   
       for(int i = 0; i<= applicationNodeList.getLength();i++)
       {
            System.out.println("eachApplicaiton in the  DOM"+applicationNodeList.item(i).getNodeValue());
               
           }
  
  
  
  I am getting NodeList size is 1 , but I the node Value I am getting as Null.
  
  
  What I am doing for setting the Node Value is correct(or) am I missing some thing.
  Can u guys help me out to fix this problem.

regards,

ramu

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