August 2018
Intermediate to advanced
524 pages
14h 45m
English
Content preview from Java Projects - Second Edition
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Java collections
Collections are interfaces and classes that help us store more than one object. We have already seen arrays, which can do that. We have also seen ArrayList in the previous chapters. We did not discuss in detail what other possibilities there are in the JDK. Here, we will go into more detail but leave the streams and the functional methods for later chapters, and we will also refrain from going into details. That is rather the task of a reference book.
Using the implementation of the collection classes and interfaces reduces the programming effort. First of all, you do not need to program something that is already there. Secondly, these classes are highly optimized, both in implementation and in their features. They have very ...
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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.