February 2017
Intermediate to advanced
1023 pages
24h 11m
English
book
Spring: Developing Java Applications for the Enterprise
by Ravi Kant Soni, Amuthan Ganeshan, Rajesh RV
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Chapter 8. Validate Your Products with a Validator
One of the most commonly expected behaviors of any web application is that it should validate user data. Every time a user submits data into our web application, it needs to be validated. This is to prevent security attacks, wrong data, or simple user errors. We don't have control over what the user may type while submitting data into our web application. For example, they may type some text instead of a date, they may forget to fill a mandatory field, or suppose we used 12-character lengths for a field in the database and the user entered 15-character length data, then the data cannot be saved in the database. Similarly, there are lots of ways a user can feed incorrect data into our web application. ...
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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.