C++ Without Fear: A Beginner’s Guide That Makes You Feel Smart

Appendix F Glossary of Terms

This section reviews the terminology used in this book. For more complete discussions of the concepts, please see the Index.

abstract class—A class that cannot be used to create objects, but which may still be useful as a general pattern (i.e., interface) for other classes. An abstract class has at least one pure virtual function.

address—The numeric location of a piece of data or program code in memory. This location is often called a variable or function’s “physical location” in memory—although opening up the computer to try to find this location is not recommended. Addresses, when displayed, are usually shown in hexadecimal (base 16) and aren’t too meaningful except in the context of a program.

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