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Servlet & JSP: A Tutorial, Second Edition by Budi Kurniawan

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Chapter 5

The Expression Language

One of the most important features in JSP 2.0 was the Expression Language (EL), which JSP authors can use to access application data. Inspired by both the ECMAScript and the XPath expression languages, the EL is designed to make it possible and easy to author script-free JSP pages, that is, pages that do not use JSP declarations, expressions or scriptlets. (Chapter 11, “Application Design” explains why script-free JSP pages are considered good practice.)

This chapter shows how you can use EL expressions to display data and object properties in your JSP pages. It covers the EL 3.0, the latest release of the technology.

All examples in this chapter can be found in the el-demo project in the zip file that ...

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