How to override read-only property from Objective-C in
Jan 01, 2010 · The Objective-C Runtime is one of the overlooked features of Objective-C initially when people are generally introduced to Cocoa/Objective-C. The reason for this is that while Objective-C (the language) is easy to pick up in only a couple hours, newcomers to Cocoa spend most of their time wrapping their heads around the Cocoa Framework and adjusting to how it works. Apr 20, 2010 · Before Objective-C 2.0, these were always written by hand, and there are still times when you would want to write your own rather have the compiler generate them for you using the @property and @synthesize directives. Getters A conventional getter method in Objective-C has the same name as the instance variable: Apr 23, 2013 · Much of object-oriented programming consists of writing the code for new objects—defining new classes. In Objective-C, classes are defined in two parts: An interface that declares the methods and properties of the class and names its superclass. An implementation that actually defines the class (contains the code that implements its methods) Write Objective-C Code. If you haven’t programmed for either OS X or iOS, you need to become acquainted with the primary programming language, Objective-C. Objective-C is a not a difficult language, and once you spend some time with it you’ll find it elegant as well. The Objective-C language enables sophisticated object-oriented programming.
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The superclass of Car is NSObject, as shown in Listing 3-1. This call says, “Please perform the initialization that is normally done by my parent class before I add my custom behavior.” Calling a superclass’s implementation before adding new behavior demonstrates an important practice in Objective-C programming.
Apr 16, 2020
Intro to Object-Oriented Design: Part 1/2 | raywenderlich.com Nov 14, 2013