.NODE

protected Members

Chapter 3 introduced access specifiers public and private. A base class's public members are accessible within the body of that base class and anywhere that the program has a handle (i.e., a name, reference or pointer) to an object of that base class or one of its derived classes. A base class's private members are accessible only within the body of that base class and the friends of that base class. In this section, we introduce an additional access specifier: protected.

Using protected access offers an intermediate level of protection between public and private access. A base class's protected members can be accessed within the body of that base class, by members and friends of that base class, and by members and friends of any classes derived from that base class.

Derived-class member functions can refer to public and protected members of the base class simply by using the member names. When a derived-class member function redefines a base-class member function, the base-class member can be accessed from the derived class by preceding the base-class member name with the base-class name and the binary scope resolution operator (::). We discuss accessing redefined members of the base class in Section 12.4 and using protected data in Section 12.4.4.

Introduction to Computers, the Internet and World Wide Web

Introduction to C++ Programming

Introduction to Classes and Objects

Control Statements: Part 1

Control Statements: Part 2

Functions and an Introduction to Recursion

Arrays and Vectors

Pointers and Pointer-Based Strings

Classes: A Deeper Look, Part 1

Classes: A Deeper Look, Part 2

Operator Overloading; String and Array Objects

Object-Oriented Programming: Inheritance

Object-Oriented Programming: Polymorphism

Templates

Stream Input/Output

Exception Handling

File Processing

Class string and String Stream Processing

Web Programming

Searching and Sorting

Data Structures

Bits, Characters, C-Strings and structs

Standard Template Library (STL)

Other Topics

Appendix A. Operator Precedence and Associativity Chart

Appendix B. ASCII Character Set

Appendix C. Fundamental Types

Appendix D. Number Systems

Appendix E. C Legacy Code Topics

Appendix F. Preprocessor

Appendix G. ATM Case Study Code

Appendix H. UML 2: Additional Diagram Types

Appendix I. C++ Internet and Web Resources

Appendix J. Introduction to XHTML

Appendix K. XHTML Special Characters

Appendix L. Using the Visual Studio .NET Debugger

Appendix M. Using the GNU C++ Debugger

Bibliography

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C++ How to Program
C++ How to Program (5th Edition)
ISBN: 0131857576
EAN: 2147483647
Year: 2004
Pages: 627
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