Chapter 6. Cocoa Design Patterns
IN THIS CHAPTER
Design patterns are a popular way to describe an object-oriented design. A pattern usually doesn’t include actual code. Instead, it describes general program elements (objects), and how they can interact to solve a particular type of problem. The key elements of a design pattern are the pattern’s name, the problem it solves, the solution it presents, and the consequences of using the pattern.
Many class names and concepts are introduced in this chapter that might not yet be familiar. This chapter does not explain the use of any classes in detail, or even fully explain the design patterns; instead it provides an overview and terminology. ...
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