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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Spring JDBC packages
In the previous section, we have seen the shortcomings of using the JDBC API as a low-level data access API for implementing the DAOs. These shortcomings are as follows:
- Code duplication: As we know, writing the boilerplate code over and over again in code duplication violates the Don't repeat yourself (DRY) principle. This has some side effects in terms of the project costs, efforts, and timelines.
- Resource leakage: The DAO methods must hand over the control of the obtained database resources, such as connection, statements, or result sets after calling the
close()method. This is a risky plan because a novice programmer might very easily skip some of the code fragments. As a result, the resources would run out and bring the ...
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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.