November 2013
Beginner
325 pages
9h 47m
English
Content preview from Objective-C Programming: The Big Nerd Ranch Guide
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Property attributes
A property declaration can have one or more property attributes.
Property attributes give the compiler more information about how the property should behave.
Property attributes appear in a comma-delimited list in parentheses after the @property annotation.
In BNRPerson, the properties are declared as nonatomic.
@property (nonatomic) float heightInMeters; @property (nonatomic) int weightInKilos;
Properties are either atomic or nonatomic.
The difference has to do with multithreading, which is a topic beyond the scope of this book.
All of the properties that you will declare in this book will be nonatomic.
Let’s consider another property attribute. Sometimes a class needs a “read-only” property – a property ...
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