December 2003
Intermediate to advanced
764 pages
24h 58m
English
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Variables
Variables
are named references to data (objects), created by the application or
made available implicitly by the EL. Application-specific variables
can be created in many ways, for instance using the
<jsp:useBean> action. They can also be
created by custom actions or be passed to the JSP page by a servlet.
Every object that is available in one of the JSP scopes can be used
as an EL variable:
${aScopedVariable}Become 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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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.