May 2002
Beginner
320 pages
6h 18m
English
Content preview from SAMS Teach Yourself C++ in 10 Minutes SECOND 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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Internal State
The internal state of aRequest is represented by myOperator and myOperand. The functions on lines 17–35 of the implementation allow other classes or code to get those values.
If you refer back to Figure 18.2 in Lesson 18, “Refactoring the Calculator with Classes,” you will see that not all classes have internal state. For instance, anExternalInterface has no member variables at all.
Instances of classes such as aRequest have a single internal state for their entire life span, because their member variables cannot be changed.
Instances of classes such as anAccumulator have an internal state that changes frequently. Every call to Apply() changes the internal state of anAccumulator.
Instances of classes such as aController have an ...
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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.