August 2014
Intermediate to advanced
864 pages
19h 16m
English
Content preview from C++ All-in-One For Dummies, 3rd Edition
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Chapter 4
Directing the Application Flow
In This Chapter
Comparing numbers and evaluating other conditions
Doing things based on a comparison
Repeating code a certain number of times
Repeating code while certain things are true
Repeating code that repeats code that … well, you get the idea
As you program in C++, many times you need to present the computer with a choice, allowing it to do one thing in one situation and something else in another situation. For example, you may have an application that asks for a user’s password. If the password is correct, the application continues; but if the password is incorrect, the application asks the user to reenter the password. After some number of times — usually, three — the application performs yet another task when the user enters the incorrect password. Such situations are called conditions. In the case of the password, the condition is whether the password is correct.
You may also encounter situations where you want several lines of ...
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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.