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XML DOM Parsing in Java: A Step-by-Step Tutorial

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  • Post last modified:January 4, 2024

XML (eXtensible Markup Language) is a popular format for representing structured data. In Java, the DOM (Document Object Model) API provides a convenient way to parse and manipulate XML documents. This tutorial will guide you through the basics of XML DOM parsing in Java with examples.

1. Introduction to XML DOM Parsing

The DOM represents an XML document as a tree of nodes, where each node corresponds to a part of the document (element, attribute, text, etc.). Java provides the javax.xml.parsers.DocumentBuilderFactory class to create a DocumentBuilder object, which can be used to parse XML documents.

2. Setup and XML Document Structure

Create an XML document (e.g., named “example.xml”) for demonstration purposes:

3. Java Code for XML DOM Parsing

Create a Java class to parse the XML document:

4. Understanding the Code

  • The DocumentBuilderFactory is used to create a DocumentBuilder.
  • The XML file is parsed using the parse method of the DocumentBuilder.
  • The root element is obtained using getDocumentElement.
  • Child elements are accessed using getElementsByTagName.

5. Run the Example

Compile and run the Java class. You should see output displaying information about each book in the XML document.


XML DOM parsing in Java is a powerful way to work with XML documents. By understanding the structure of the XML document and using the DOM API, you can extract and manipulate data easily. Remember to handle exceptions appropriately in real-world applications.

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