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The Objective-C book I’m reading is using Xcode 4.2, and I think I remember reading that strong instead of assign is the new default for 4.3. Does this mean in 4.3 and up if I wanted to do an assignment for something like @property int numerator I’ll have to write @property (assign) int numerator instead?
First, it is always good practice to specify attributes in property declarations and not rely on defaults. Second, you can’t use the strong attribute with scalar types, it is for objects. @property int numerator will default to the assign attribute even in Xcode 4.4.