April 2018
Intermediate to advanced
382 pages
10h 11m
English
Content preview from Java EE 8 Cookbook
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How it works...
If you pay attention, you will notice that the init log will show only after your servlet is called for the first time. That's when it is really loaded and it is the only time that this method will be called. So if you have some one-shot code for this servlet, that's the place to do it.
Talking about the doGet, doPost, doPut, and doDelete methods, note that they were all automatically called by the server based on the request received. It's possible thanks to another method implemented by the server called service.
You could override the service method if you want, but it's a bad practice and should be avoided. Do it only if you know exactly what you are doing, otherwise you could give the wrong destination to some requests. ...
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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.