3. Classes, Objects, and Methods
In this chapter, you’ll learn about some key concepts in object-oriented programming and start working with classes in Objective-C. You’ll need to learn a little bit of terminology, but we keep it fairly informal. We also cover only some of the basic terms here because you can easily get overwhelmed. Refer to Appendix A, “Glossary,” at the end of this book, for more precise definitions of these terms.
What Is an Object, Anyway?
An object is a thing. Think about object-oriented programming as a thing and something you want to do to that thing. This is in contrast to a programming language such as C, known as a procedural programming language. In C, you typically think about what you want to do first and then you ...
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