There are two main approaches to software analysis and design, namely, Function-Oriented Approach and Object-Oriented Approach. Both these approaches are covered in some detail in subsequent chapters of this book. The basic concepts and an overview of both these approaches are given in this chapter to serve as an introduction to subsequent chapters. It is meant to make it easier for the readers to draw similarity and distinction between these two approaches when they go through the details in subsequent chapters.
As discussed in Chapter 2, the software development process comprises many types of activities that are performed according to some plan. These activities are: