Objective-C

Overview

Introduction to Objective-C
Characteristics of Objective-C

Variables and Data Types in Objective-C

Data Types in Objective-C
Variables in Objective-C

Operators Objective - C

Types of Operators

Loops in Objective - C

Types of Loops

Blocks in Objective-C

Types of Blocks

Classes and Objects

Defining classes and objects
Instance variables and properties
Accessor methods (getters and setters)

Inheritance and Polymorphism

Creating subclasses
Method overriding
Using super to access parent class methods
Dynamic typing and polymorphism

Memory Management

Manual reference counting
Automatic Reference Counting (ARC)
Strong and weak references

Protocols and Categories

Implementing protocols
Extending classes with categories

Error Handling

Using NSError for error reporting
Exception handling (@try, @catch, @throw, @finally)

Blocks

Defining and using blocks (closures)
Passing blocks as arguments
Capturing variables in blocks

Foundation Framework

Common classes (NSArray, NSDictionary, NSSet)
Working with dates and times (NSDate, NSDateFormatter)
Using NSURL for URL handling

Cocoa and Cocoa Touch

Introduction to Cocoa and Cocoa Touch frameworks
Model-View-Controller (MVC) architecture
Building a simple iOS/macOS app

Objective-C and Swift Interoperability

Bridging between Objective-C and Swift
Using Objective-C code in Swift projects
Using Swift code in Objective-C projects

Related Chapters