Sams Teach Yourself C++ in 21 Days , Fifth Edition > At a Glance > Exploiting References

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Sams Teach Yourself C++ in 21 Days , Fifth Edition

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About the Authors

Acknowledgments

We Want to Hear from You!

Introduction

Week: 1 At a Glance

Week: 2 At a Glance

Day 8. Understanding Pointers

Day 9. Exploiting References

What Is a Reference?

Using the Address-Of Operator (&) on References

Referencing Objects

Null Pointers and Null References

Passing Function Arguments by Reference

Understanding Function Headers and Prototypes

Returning Multiple Values

Passing by Reference for Efficiency

Knowing When to Use References Versus Pointers

Mixing References and Pointers

Returning Out-of-Scope Object References

Pointer, Pointer, Who Has the Pointer?

Summary

Q&A

Workshop

Day 10. Working with Advanced Functions

Day 11. Object-Oriented Analysis and Design

Day 12. Implementing Inheritance

Day 13. Managing Arrays and Strings

Day 9. Exploiting References

Yesterday, you learned how to use pointers to manipulate objects on the free store and how to refer to those objects indirectly. References, the topic of today's lesson, give you almost all the power of pointers but with a much easier syntax.

Today, you will learn

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Contents

Week: 2 At a Glance > Exploiting References

Day 9. Exploiting References