January 2014
Intermediate to advanced
736 pages
70h 43m
English
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Exercises (Sections G.6–G.13)
G.9 How does polymorphism enable you to program “in the general” rather than “in the specific”? Discuss the key advantages of programming “in the general.”
G.10 What are abstract methods? Describe the circumstances in which an abstract method would be appropriate.
G.11 How does polymorphism promote extensibility?
G.12 Discuss four ways in which you can assign superclass and subclass references to variables of superclass and subclass types.
G.13 Compare and contrast abstract classes and interfaces. Why would you use an abstract class? Why would you use an interface?
G.14 (Payroll System Modification) Modify the payroll system of Figs. G.16–G.21 to include private instance variable birthDate in class Employee. Use ...
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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.