May 2012
Intermediate to advanced
768 pages
14h 39m
English
Content preview from Sams Teach Yourself C++ in One Hour a Day, Seventh 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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Lesson 7. Organizing Code with Functions
So far in this book you have seen simple programs where all programming effort is contained in main(). This works very well for really small programs and applications. The larger and more complex your program gets, the longer the contents of main() becomes, unless you choose to structure your program using functions.
Functions give you a way to compartmentalize and organize your program’s execution logic. They enable you to split the contents of your application into logical blocks that are invoked sequentially.
A function is hence a subprogram that optionally takes parameters and returns a value, and it needs to be invoked to perform its task. In this lesson you learn
• The need for programming functions ...
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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.