Topics in This Chapter
A Simple XML File
XML Actions Overview
Using Scoped Variables in XPath Expressionss
Transforming XML with XSLT
Accessing External Entities
XML and the Java programming language—which represent portable data and portable code, respectively—are a powerful combination for developing portable Web applications that can freely share information.
XML, which stands for eXtensible Markup Language, is a meta-language that can be used to define markup languages, such as XHTML. XML lets you define a document's structure with extensible markup, meaning tags that you define; for example, see “A Simple XML File” on page 424, which uses XML to define the structure of a simple Rolodex ...