Creating NSString Instances There are several ways to create a NSString object in Objective-C. 1. Direct Assignment NSString *text = @"Hello World"; 2. Object Initialization NSString *textObject = [[NSString alloc] init]; textObject = @"Initial Text"; 3. Formatted Creation NSStri...
The Nature of Class Objects In Objectvie-C, a class is itself an object, known as a class object. A class object persists throughout the runtime of the program. It is a data structure that stores essential information about the class, such as its size, name, version, and the dispatch table mapping s...
Objective‑C Properties: @property, @synthesize, and @dynamic @property Declaring a property instructs the compiler to generate an accessor pair and a backing instance variable (ivar) when needed. Example: @interface MyViewController : UIViewController @property (nonatomic, assign, getter=isReady) BO...