Chapter 11. Invoking Java Code with JSP Scripting Elements

Topics in This Chapter

  • Static vs. dynamic text

  • Dynamic code and good JSP design

  • The importance of packages for JSP helper/utility classes

  • JSP expressions

  • JSP scriptlets

  • JSP declarations

  • Servlet code resulting from JSP scripting elements

  • Scriptlets and conditional text

  • Predefined variables

  • Servlets vs. JSP pages for similar tasks

This chapter discusses the “classic” approach to invoking Java code from within JSP pages. This approach works in both JSP 1 (i.e., JSP 1.2 and earlier) and JSP 2. Chapter 16 discusses the JSP expression language, which provides a concise mechanism to indirectly invoke Java code, but only in JSP 2.0 and later.

Creating Template Text

In most cases, a large percentage of your ...

Get Core Servlets and JavaServer Pages™: Volume 1: Core Technologies, 2nd Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.

Start your free trial