Chapter 9: Functions

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Learning Objectives

• State the purpose and use of functions in C++

• Explain how to declare and define functions

• State the purpose and use of function return types

• State the purpose and use of function parameters

• Describe the concept of function calling

• Explain the use of local function variables and their scoping rules

• Describe how to pass arguments to a function by value and by reference

• Describe how to maximize function cohesion and minimize coupling

• Describe the concept of function signatures

• Describe how to overload functions

• Explain the concept of recursion

• Explain the concept and use of function pointers

• Explain how to create function libraries

• Utilize functions in your C++ programming projects

• Describe how functions are used to modularize C++ program functionality

• Demonstrate your ability to minimize function coupling and maximize function cohesion in C++ programming projects

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