In Chapter 2, you created simple programs that displayed messages to the user, obtained information from the user, performed calculations and made decisions. In this chapter, you will begin writing programs that employ the basic concepts of object-oriented programming that we introduced in Section 1.17. One common feature of every program in Chapter 2 was that all the statements that performed tasks were located in function main. Typically, the programs you develop in this book will consist of function main and one or more classes, each containing data members and member functions. If you become part of a development team in industry, you might work on software systems that contain hundreds, or even thousands, of classes. In this chapter, we develop a simple, well-engineered framework for organizing object-oriented programs in C++.

First, we motivate the notion of classes with a real-world example. Then we present a carefully paced sequence of seven complete working programs to demonstrate creating and using your own classes. These examples begin our integrated case study on developing a grade-book class that instructors can use to maintain student test scores. This case study is enhanced over the next several chapters, culminating with the version presented in Chapter 7, Arrays and Vectors.

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