Chapter 4
Classes and Methods
Although they may use different terms, all object-oriented languages have the features introduced in Chapter 1 in common: classes, instances, message passing, methods, and inheritance. As noted already, the use of different terms for similar concepts is rampant in object-oriented programming languages. We will use a consistent and, we hope, clear terminology for all languages, and we will note in language-specific sections the various synonyms for our terms. Readers can refer to the glossary at the end of the book for explanations of unfamiliar terms.
This chapter will describe the definition or creation of classes, and Chapter 5 will outline their dynamic use. Here we will illustrate the mechanics of declaring ...
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