Java XML parsing examples

Knowledge of the Document Object Model, XML, and Java is essential if you want to work with the XML parsing. Classes like DocumentBuilderFactory and the DocumentBuilder need to be used for creating the document object in which you can load the XML document.


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In the program to parse XML document using Java, you have to import,

import org.w3c.dom.Document;
import org.w3c.dom.*;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.DocumentBuilder;

The above classes need to be imported to work with XML parsing. The newDocumentBuilder() method of the DocumentBuilderFactory object is used to create a DocumentBuilder object. This DocumentBuilder object is used to load the XML file that will be parsed.

Getting all the nodes of the XML document by tag name can be done using the method getElementByTagName(). These elements are stored in the NodeList object which is navigated through a "for" loop and the elements can be printed. Lots of example on parsing with an XML document this way is available in the internet.




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