May 2001
Intermediate to advanced
1088 pages
30h 13m
English
Content preview from Special Edition Using Java™ 2 Enterprise EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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The <jsp:useBean> Tag
When you want to use a Java bean within a Java Server Page, use the <jsp:useBean> tag to either create a new instance of the bean or use an existing bean. The idea behind the <jsp:useBean> tag and its associated helper tags is that you should try to move as much of your application logic as possible out of your JSP so all that remains is code to display the output.
When you encapsulate business objects or business logic into a Java class, you should make that Java class a bean. Many of Sun's Java APIs and tools revolve around the idea that you put your logic into beans and then use tools to help you create applications that use those beans. JSP is one of those tools.
Adding the Bean to the Page
When you add a bean to a JSP, ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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