Now we can get back to our objects. You already know about the five objects that make up the iTahDoodle application. There’s the instance of BNRAppDelegate, and this object has pointers to four others: instances of UITableView, UITextField, UIButton, and NSMutableArray.

Figure 27.4  Object diagram for iTahDoodle

Before we continue configuring and connecting these objects, let’s look at some theory about objects and their relationships.