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Add Attribute( " Language", " Attribute( " Source", Schema Url);, using the JAXP parser.

For an XML document to be based on an XML schema, the XML document is required to be validated with the schema.

Practical XML: Parsing So you've built some XML, now what do you do? After all, it doesn't do you much good as a bunch of bytes on a disk.

In my experience, a DOM document is the most usable form for parsed XML, because it can be accessed multiple times once parsed.

Before going into the major points related to XML Schema questions on the exam, let's make sure we understand how to use Java to perform a validity check for an XML document.

As with XSLT transformation explained in the previous volume, we can easily perform this check if we use the standard API "JAXP (Java API for XML Processing)" included in J2SE 5.0.

If the reference to the XML Schema (attribute no Namespace Schema Location or schema Location) is coded directly in the XML document, you can omit the second argument.

Developers can write program independent of the underlying XML processor by using the JAXP APIs, and can replace the underlying XML processor by choice without even changing a single line of application code. First of all, there has been some confusion in the past about the P in JAXP: Parsing or Processing?

This is different from DTD validation where errors, and in particular, validation errors, are not reported.

The two most common types of nodes in XML document are element nodes and text nodes.

To be prepared for Section 4, you must have a firm understanding of XML Schema basic grammar, as well as knowledge covering a wide range of concepts, including XML Schema design methods incorporating XML namespaces, and include / import methods for other XML Schema.

In this volume, I will use examples of the most typical questions that appear on the exam, along with added commentary.

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