Chapter 2
Functions
Lesson Objectives
By the end of this chapter, you will be able to:
- Explain what functions are and how to declare them
- Utilize local and global variables
- Pass arguments to functions and return values from functions
- Create overloaded functions and call them appropriately
- Apply the concept of namespaces in organizing functions
In this chapter, we are going to look at functions in C++, how to use them, and why we would want to use them.
Introduction
Functions are a core tool in a programmer's toolkit for writing maintainable code. The concept of a function is common in almost every programming language. Functions have different names in various languages: procedures, routines, and many more, but they all have two ...
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