JAVA

JAVA XML COURSE

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

JAVA XML COURSE

DocumentBuilderFactory factory =
DocumentBuilderFactory.newInstance();
DocumentBuilder builder = factory.newDocumentBuilder();

JAVA XML COURSE

StringBuilder xmlStringBuilder = new StringBuilder();
xmlStringBuilder.append("<?xml version="1.0"?> <class> </class>");
ByteArrayInputStream input = new ByteArrayInputStream(
   xmlStringBuilder.toString().getBytes("UTF-8"));
Document doc = builder.parse(input);

JAVA XML COURSE

Element root = document.getDocumentElement();

JAVA XML COURSE

//returns specific attribute
getAttribute("attributeName");

//returns a Map (table) of names/values
getAttributes();

JAVA XML COURSE

//returns a list of subelements of specified name
getElementsByTagName("subelementName");

//returns a list of all child nodes
getChildNodes();

JAVA XML COURSE

<?xml version = "1.0"?>
<class>
   <student rollno = "393">
      <firstname>dinkar</firstname>
      <lastname>kad</lastname>
      <nickname>dinkar</nickname>
      <marks>85</marks>
   </student>
   
   <student rollno = "493">
      <firstname>Vaneet</firstname>
      <lastname>Gupta</lastname>
      <nickname>vinni</nickname>
      <marks>95</marks>
   </student>
   
   <student rollno = "593">
      <firstname>jasvir</firstname>
      <lastname>singn</lastname>
      <nickname>jazz</nickname>
      <marks>90</marks>
   </student>
</class>