February 2014
Beginner
1248 pages
62h 25m
English
Content preview from Java™ How To Program (Early Objects), Tenth Edition
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Validity Checking in Set Methods
The benefits of data integrity do not follow automatically simply because instance variables are declared private—you must provide validity checking. A class’s set methods could determine that attempts were made to assign invalid data to objects of the class. Typically set methods have void return type and use exception handling to indicate attempts to assign invalid data. We discuss exception handling in detail in Chapter 11.
Software Engineering Observation 8.7
When appropriate, provide public methods to change and retrieve the values of private instance variables. This architecture helps hide the implementation ...
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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.
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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.