Sams Teach Yourself Objective-C in 24 Hours

Hour 15. Organizing Data with Collections

What You’ll Learn in This Hour

• Working with collection objects

• Reviewing property lists

• Creating a collection

• Enumerating a collection

• Testing membership in a collection

• Accessing a collection member

Collecting Objects

Objective-C adds objects to C itself with as few additions to that language as possible. This contrasts with other languages that dramatically change and expand C as well as object-oriented languages that are not built on C (Smalltalk, one of the most important influences on the development of Objective-C, comes to mind).

C types (often referred to as primitive types) such as int, float, and the like are available for use in Objective-C. However, as part of its classes, Objective-C ...