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Managing HTTP Response Header Lines
This chapter provides tutorial notes and example codes on HTTP response header lines. Topics include what is an HTTP response; what are response header line; controlling response header lines; viewing entire HTTP response message; 'page contentType' directive element; response object methods to chan...
2022-10-01, 181🔥, 0💬

The "session" Implicit Object
This section describes the 'session' implicit object - a javax.servlet.http.HttpSession object provided by the JSP server to hold information and methods common to all JSP pages running under one session.
2022-10-01, 180🔥, 0💬

Example - Dumping EL Implicit Objects
This section provides a tutorial example to dump contents of all EL (Expression Language) implicit objects using JSTL Core library c:forEach tags.
2022-10-01, 180🔥, 0💬

Entering Non-ASCII Characters as Static Text
This section provides a tutorial example to test how non-ASCII characters entered as static text in JSP pages are converted by JSP server and returned to Web browsers.
2022-10-01, 179🔥, 0💬

Archived: Compilation Errors with JDK 1.4
This section describes the compilation error on a JSP page that tries to use the 'page import' directive element to import a JavaBean class declared without package name.
2022-10-01, 179🔥, 0💬

Converting JSP Pages with Scripting Elements
This section describes general rules on how a JSP page with static data and scripting elements gets converted into a Servlet class source code.
2022-10-01, 178🔥, 0💬

Writing Directive Element in XML Format
This section describes the syntax of writing Directive Elements in XML format for a JSP document. There are 3 types of Directive Elements: page, include and taglib.
2022-10-01, 177🔥, 0💬

What Is Custom Tag
This section describes what is JSP custom tag. A custom tag can be define by the user through the JSP tag extension facility using a Java tag class.
2022-10-01, 175🔥, 0💬

Mixing Static Data with Scriptlets for Compound Statements
This section provides a tutorial example on how to mix static data with scriptlets to form Java compound statements like 'if', or 'while'.
2022-10-01, 174🔥, 0💬

Managing Cookies in JSP Pages
This chapter provides tutorial notes and example codes on managing cookies in JSP pages. Topics include what is a cookie; sending and receiving cookies in JSP pages; what is persistent cookies; setting cookie properties; dumping HTTP response.
2022-10-01, 172🔥, 0💬

Information of JSP Execution Context
This section provides a tutorial example on how to obtain information from the JSP execution context environment through 'session' and 'application' implicit object provided by the JSP container.
2022-10-01, 171🔥, 0💬

What Is a Cookie
This section describes what is a cookie - a small amount of information sent by a Web server to a Web browser, saved by the browser, and sent back to the server later.
2022-10-01, 168🔥, 0💬

TagSupport Class - Dummy Implementation of IterationTag
This section describes the javax.servlet.jsp.tagext.TagSu pportclass, which is a dummy implementation of the javax.servlet.jsp.tagext.Itera tionTaginterface. Extending from TagSupport class to write your own tag class saves some coding time.
2022-10-01, 168🔥, 0💬

"include" Directive and Action Elements
This section provides a tutorial example on how to 'declaration' element, 'include' directive element and 'include' action elements.
2022-10-01, 167🔥, 0💬

c:if Action Tag
This section describes the c:if action tag in the JSTL Core library. c:if allows you to specify a section of JSP code to be processed only if a specified condition is true.
2022-10-01, 166🔥, 0💬

Example JSP Page with Scripting Elements
This section provides a tutorial example JSP page, Hello_Scripting.jsp, with some scripting elements: 1 scriptlet, 2 scripting expressions and 1 scripting declaration.
2022-10-01, 165🔥, 0💬

JavaBean Objects and "useBean" Action Elements
This chapter provides tutorial notes and example codes on using JavaBean in JSP pages. Topics include what is a JavaBean; 'useBean', 'setProperty' and 'getProperty' action elements; using JavaBean objects in scripting elements; refreshing loaded JavaBean classes; Tomcat compilation error when import...
2022-10-01, 165🔥, 0💬

"NoClassDefFoundError" Exception
This section describes the compilation error on a JSP page that tries to use a JavaBean class, but the class bytecode is not accessible. You will get a NoClassDefFoundError Java exception or a JSP to Servlet class conversion error.
2022-10-01, 164🔥, 0💬

Writing Action Element in XML Format
This section describes the syntax of writing Action Elements in XML format for a JSP document. Commonly used standard action elements are: useBean, setProperty, getProperty, include, and forward.
2022-10-01, 163🔥, 0💬

Refreshing Loaded JavaBean Classes
This section provides a tutorial example on how to refresh loaded JavaBean classes using the 'Reload' function on the Tomcat Application Manager.
2022-10-01, 163🔥, 0💬

Using JavaBean without Import Element Error
This section describes the compilation error on a JSP page that uses a JavaBean without the 'page import' directive element to import the JavaBean class declared without package name.
2022-10-01, 163🔥, 0💬

What Are Implicit Objects
This section describes implicit objects that are created by the JSP/Servlet container: out, request, response, pageContext, session, application, and config.
2022-10-01, 162🔥, 0💬

Characters Traveling from JSP Files to Browser Screens
This section describes how character text travels from JSP pages to Web browser screen through various steps using different technologies on different steps.
2022-10-01, 161🔥, 0💬

Information from "request" Object
This section provides a tutorial example on how to obtain information from the 'request' implicit object provided by the JSP container.
2022-10-01, 159🔥, 0💬

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