How to Count XML Elements in Java

This example focuses on how to count XML elements in Java.

Source Code

(1)Test.xml

	
	Alice
	phone:123456789
	
	
	
	Bob
	phone:987654321
	

(2)CountXMLElement.java

package com.beginner.examples;

import java.io.IOException;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import org.w3c.dom.Document;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;

public class CountXMLElement {

	public static void main(String[] args) throws ParserConfigurationException, SAXException, IOException {
		
		DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
		DocumentBuilder docBuilder = documentBuilderFactory.newDocumentBuilder();
		Document doc = docBuilder.parse("Test.xml");
		
		NodeList list = doc.getElementsByTagName("context-param");
		
		System.out.println("Elements of number is " + list.getLength());

	}

}

Output:

Elements of number is 2

References

Imported packages in Java documentation:

• ParserConfigurationException
• DocumentBuilder
• DocumentBuilderFactory
• IOException