December 2002
Intermediate to advanced
1050 pages
24h 49m
English
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Introduction
In the previous chapter we looked at a movie store application that used two J2EE components, JSP and servlets, to create the application. While it is not uncommon to create an application with only these two J2EE components, we cannot get a complete view of J2EE components without taking a look at using EJBs with this application. In this chapter, we will look at how we can refactor the shopping cart application to use an EJB to implement the ShoppingCartBean shown in the previous chapter.
The movie store application also used a servlet to output graphic images (the images of the movie video box) from a database to an HTML page. Storing graphic images in a database has a number of advantages. But to use graphics in a database we ...
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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.