March 2014
Intermediate to advanced
1200 pages
31h 17m
English
Content preview from Learn Java for Android Development, Third Edition
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Chapter 9
Exploring the Collections Framework
Applications often must manage collections of objects. Although you can use arrays for this purpose, they are not always a good choice. For example, arrays have fixed sizes, making it tricky to determine an optimal size when you need to store a variable number of objects. Also, arrays can be indexed by integers only, making them unsuitable for mapping arbitrary objects to other objects.
The standard class library provides the Collections Framework and legacy utility APIs to manage collections on behalf of applications. In this chapter, I first present this framework and then introduce you to these legacy APIs (in case you encounter them in legacy code). As you will discover, some of the legacy ...
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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.