February 2017
Beginner
1056 pages
28h 57m
English
Content preview from Java: An Introduction to Problem Solving and Programming, 8th EditionBecome 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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Chapter Summary
ArrayListis a class in the Java Class Library. Instances ofArrayListcan be thought of as arrays that can grow in length. You create and name such instances in the same way as any other object except that you specify their base type.ArrayListhas powerful methods that can do many of the things you must do for yourself when using an array.The Java Collections Framework is a collection of interfaces and classes that may be used to manipulate collections of objects in a consistent way.
The
HashSetclass is part of the Java Collections Framework and may be used to efficiently implement a set.The
HashMapclass is part of the Java Collections Framework and may be used to map from one value to another.A linked list is a data structure ...
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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.