Create & Read XML File

===========================Read_XML =============================
package XML_Parsing;

import java.io.File;

import javax.xml.parsers.DocumentBuilder;

import javax.xml.parsers.DocumentBuilderFactory;

import javax.xml.parsers.ParserConfigurationException;

import org.w3c.dom.Document;

import org.w3c.dom.Element;

import org.w3c.dom.Node;

import org.w3c.dom.NodeList;

public class Read_XML {

public static void main(String[] args) throws ParserConfigurationException 

{

  File xmlfile = new File("D:\\work\\Java Work Space\\files\\dummy.xml");

  

  DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();

  DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();

  Document document = documentBuilder.newDocument();

  

  document.getDocumentElement().normalize();

  

  NodeList list = document.getElementsByTagName("Developer");

  for(int i =0;i<list.getLength();i++)

  {

  Node node = list.item(i);

  

  if(node.getNodeType() == Node.ELEMENT_NODE)

  {

  Element element = (Element) node;

  

  System.out.println("ID: "+element.getAttribute("id"));

  System.out.println("Name: "+element.getElementsByTagName("Name").item(0).getTextContent());

  System.out.println("SurName: "+element.getElementsByTagName("Surname").item(0).getTextContent());

  }

  }

}

}

===========================Create_XML ===============================

package XML_Parsing;

import java.io.File;

import javax.xml.parsers.DocumentBuilder;

import javax.xml.parsers.DocumentBuilderFactory;

import javax.xml.parsers.ParserConfigurationException;

import javax.xml.transform.Transformer;

import javax.xml.transform.TransformerConfigurationException;

import javax.xml.transform.TransformerException;

import javax.xml.transform.TransformerFactory;

import javax.xml.transform.dom.DOMSource;

import javax.xml.transform.stream.StreamResult;

import org.w3c.dom.Attr;

import org.w3c.dom.Document;

import org.w3c.dom.Element;

public class Create_XML {

public static void main(String[] args) throws ParserConfigurationException, TransformerException 

{

  DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();

  DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();

  

  Document document = documentBuilder.newDocument();

  Element element = document.createElement("Developer");

  

  Attr attr = document.createAttribute("Id");

  attr.setValue("1");

  element.setAttributeNode(attr);

  

  Element name = document.createElement("Name");

  name.appendChild(document.createTextNode("Amit"));

  element.appendChild(name);

  

  Element surname = document.createElement("surname");

  surname.appendChild(document.createTextNode("Manjhi"));

  element.appendChild(surname);

  

  Element hobby = document.createElement("hobby");

  hobby.appendChild(document.createTextNode("Coding"));

  element.appendChild(hobby);

  

  Element color = document.createElement("color");

  color.appendChild(document.createTextNode("yellow"));

  element.appendChild(color);

  

  TransformerFactory transformerfactory = TransformerFactory.newInstance();

  Transformer transformer = transformerfactory.newTransformer();

  DOMSource  source = new DOMSource(document);

  

  StreamResult streamresult = new StreamResult(new File("D:\\work\\Java Work Space\\files\\demo2.xml"));

  transformer.transform(source, streamresult);

  System.out.println("DONE.....................");

}

}

===========================ReadXMLFile ============================

package XML_Parsing;

import javax.xml.parsers.DocumentBuilderFactory;

import javax.xml.parsers.DocumentBuilder;

import org.w3c.dom.Document;

import org.w3c.dom.NodeList;

import org.w3c.dom.Node;

import org.w3c.dom.Element;

import java.io.File;

public class ReadXMLFile {

  public static void main(String argv[]) {

    try {

File fXmlFile = new File("D:\\work\\Java Work Space\\files\\demo1.xml");

DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();

DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();

Document doc = dBuilder.parse(fXmlFile);

doc.getDocumentElement().normalize();

System.out.println("Root element :" + doc.getDocumentElement().getNodeName());

NodeList nList = doc.getElementsByTagName("staff");

System.out.println("----------------------------");

for (int temp = 0; temp < nList.getLength(); temp++) {

Node nNode = nList.item(temp);

System.out.println("\nCurrent Element :" + nNode.getNodeName());

if (nNode.getNodeType() == Node.ELEMENT_NODE) {

Element eElement = (Element) nNode;

System.out.println("Staff id : " + eElement.getAttribute("id"));

System.out.println("First Name : " + eElement.getElementsByTagName("firstname").item(0).getTextContent());

System.out.println("Last Name : " + eElement.getElementsByTagName("lastname").item(0).getTextContent());

System.out.println("Nick Name : " + eElement.getElementsByTagName("nickname").item(0).getTextContent());

System.out.println("Salary : " + eElement.getElementsByTagName("salary").item(0).getTextContent());

}

}

    } catch (Exception e) {

e.printStackTrace();

    }

  }

}