June 2014
Beginner to intermediate
304 pages
7h 25m
English
Content preview from Spring MVC Beginner's GuideBecome 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 persistence layer
Since we had a single product, we just instantiated it in the controller itself and displayed this product information on our web page successfully. However, a typical webstore contains thousands of products; all the information for these products is usually stored in a database. So, we need to make our ProductController class smart enough to load all the product information from the database into the model. However, if we write all the data retrieval logic in the ProductController class itself to retrieve product information from the database, our ProductController class will blow down into a big chunk of file. Logically speaking, data retrieval is not the duty of the controller because the controller is a presentation layer ...
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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.