Enterprise Java (Java EE, Persistence, etc.) The purpose of the book is to introduce students to web application development in Java with the use of Eclipse. The book covers the basics including installing a JSP/Servlet environment on your computer, HTTP, HTML forms, JSP, Servlets. JavaServer Pages, Third Edition is completely revised and updated to cover the substantial changes in the version of the JSP specification. It also includes. JavaServer Pages shows how to develop Java-based web applications on creating Java components and custom JSP tags for web authors to use in JSP.
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Editorial Reviews. Review. "Hans Bergsten, a JSP expert group veteran and one of our most eBook features: Highlight, take notes, and search in the book. Complete text of 'Core Servlets and JSP' (2nd Edition) online for free access in PDF. Also free downloadable source code. The second edition of the bestselling Web Development with JavaServer Pages updates and expands the original. In the entirely rewritten first part of the book.
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Job Title. The advantages of JSP are: Separation of static and dynamic contents: JSP enables the separation of static contents from dynamic contents. The dynamic contents are generated via programming logic and inserted into the static template. This greatly simplifies the creation and maintenance of web contents. Reuse of components and tag libraries: The dynamic contents can be provided by reusable components such as JavaBean, Enterprise JavaBean EJB and tag libraries - you do not have to re-inventing the wheels.
However, it is important to note that servlets and JSPs are complementary technologies, NOT replacement of each other.
Servlet can be viewed as "HTML inside Java", which is better for implementing business logic - as it is Java dominant.
JSPs are often used for the View V , which mainly deals with presentation. We shall use the webapp called "hello" that we have created in our earlier exercise. From your browser, choose the "View Source" option to check the response message. It should be either of the followings depending on the random number generated.
The ServletResponse Class. The HttpServletResponse Class. The ServletInputStream Class. The ServletOutputStream Class. The HttpSession Class.
The Cookie Class. Creating a New Cookie. Hour 7.
Servlet Filters. The Filter Interface. An Example Filter—Session Logging. Hour 8. Core JavaServer Page Components. Built-in JSP Objects. The JspWriter Class. Working with the pageContext Object. The JspEngineInfo Class. Hour 9. JSP Directives. The page Directive. The include Directive. The taglib Directive. Hour Including Other Files. Forwarding to Another Page.
Making Your Application More Modular. Using an Applet in Your Form. Debugging and Error Handling. Why Debugging Is Tough. Compile Versus Runtime Errors.
Using Log Files to Debug an Application. Using a Debugger. Error Handling. Saving Data Between Requests. Storing Data in Hidden Form Variables.
Storing Data in a session Object. How Sessions Work. Forcing a New Session. Handling Session Termination. Handling Sessions Without Cookies. Storing Application-Wide Data. More About Saving Data. Storing Data in a Cookie. Interacting with JavaBeans.