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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6.5 Information Hiding Revisited
I don’t like to meddle in my private affairs.
—KARL KRAUS (1874–1936)
The material in this section is not needed to understand most of the rest of this book. If you prefer, you can safely postpone reading this material until you are more comfortable with classes. This section discusses a subtle problem that can arise when defining certain kinds of classes. The problem does not apply to any class you define whose instance variables are either of a primitive type—such as int, double, char, and boolean—or of the type String. So you can define lots of classes without being concerned with this problem.
Privacy Leaks
A class can have instance variables of any type, including any class type. These often can be natural ...
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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.