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.