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Mastering Java API for XML Processing (JAXP)

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Introduction to JAXP:

The Java API for XML Processing (JAXP) provides a set of standard APIs for XML processing in Java applications. It includes functionalities for parsing XML documents, creating XML documents, and transforming XML data using various technologies such as DOM (Document Object Model) and SAX (Simple API for XML).

Example 1: Parsing an XML Document using DOM:

Let’s start with a simple example of parsing an XML document using the DOM parser provided by JAXP.

In this example, we use the DOM parser to read an XML document (example.xml) and extract information about books.

Example 2: Parsing an XML Document using SAX:

Now, let’s explore parsing using the SAX parser, which is an event-driven approach.

This example uses a SAX parser with a custom handler to process XML elements as they are encountered during parsing.

Example 3: Transforming XML with XSLT:

JAXP also supports XML transformations using XSLT (Extensible Stylesheet Language Transformations).

In this example, we use JAXP to transform an XML document (input.xml) using an XSLT stylesheet (stylesheet.xsl) and produce an HTML output (output.html).


This tutorial provided a comprehensive introduction to JAXP, covering XML parsing with DOM and SAX, as well as XML transformation using XSLT. By mastering these fundamental aspects of JAXP, you can efficiently work with XML data in Java applications. Explore additional features of JAXP, such as validation and XPath, to enhance your XML processing capabilities.

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