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Creates element node, attribute node, comment node, processing instruction and a CDATA section

In this section, you will learn how to Create an element note Comment node ,Attribute node, Processing node and CDATA section node in a DOM document.

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Creates element node, attribute node, comment node, processing instruction and a CDATA section

     

This Example shows you how to Create an Element node ,Comment node ,Attribute node, Processing node and CDATA section node in a DOM document. JAXP (Java API for XML Processing) is an interface which provides parsing of xml documents. Here the Document BuilderFactory is used to create new DOM parsers. These are some of the methods used in code given below for adding attribute:-

Element root = doc.createElement("Company"):-This method creates an element node ,Here Company specifies the name for the element node.

doc.appendChild(root):-This method adds a node after the last child node of the specified element node.

Comment node = doc.createComment("Comment for company"):-This method creates an Comment node ,Here "Comment for company" specifies the name for the Comment node.

CDATASection cdata = doc.createCDATASection("Roseindia <, >, .net rohini"):- This method creates a CDATASection node. Here string "Roseindia <, >, .net rohini" specifies the data for the node

Xml code for the program generated is:-

<?xml version="1.0" encoding="UTF-8"?>
<root></root>

CreatesElementnode.java:-

import java.io.*;
import javax.xml.parsers.*;
import org.w3c.dom.*;

public class CreatesElementnode {

  public static void main(String[] argsthrows Exception {
  DocumentBuilderFactory builderFactory = 
  DocumentBuilderFactory.newInstance
();

  Document doc = builderFactory.newDocumentBuilder().parse(
  
new File("abc.xml"));
  new CreatesElementnode().CreatesElementnode(doc);
  }

  public void CreatesElementnode(Document doc) {
  //method to creates an element node.
  Element root = doc.createElement("Company");
  doc.appendChild(root);
  System.out.println("Element node created is: " 
  doc.getDocumentElement
().getNodeName());

  //method to creates a comment node.
  Comment node = doc.createComment("Comment for company");
  root.appendChild(node);
  System.out.println("Comment node created is: " 
  root.getFirstChild
());

  //Create a Cdata section node
  CDATASection cdata = 
  doc.createCDATASection
("Roseindia <, >, .net rohini");
  root.appendChild(cdata);
  System.out.println("CData node created is: " 
 root.getFirstChild
().getNextSibling());

  ProcessingInstruction pi = 
  doc.createProcessingInstruction
("Roseindia""Rohini");
  root.appendChild(pi);
  System.out.println("ProcessingInstruction node created is: " 
  root.getLastChild
());
  }
}


Output of the program:-

Element node created is: Company
Comment node created is: [#comment: Comment for company]
CData node created is: [#cdata-section: Roseindia <, >, .net rohini]
ProcessingInstruction node created is: [Roseindia: Rohini]

 
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Creates element node, attribute node, comment node, processing instruction and a CDATA section

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