Learn OBJECTIVE-C with Real Code Examples
Updated Nov 21, 2025
Learning Path
Learn C fundamentals
Understand object-oriented concepts in Objective-C
Practice message sending and method calls
Explore Cocoa/Cocoa Touch frameworks
Build and test simple iOS/macOS apps
Skill Improvement Plan
Week 1: C basics and Objective-C syntax
Week 2: Classes, methods, and memory management
Week 3: Delegates, protocols, and categories
Week 4: Framework integration (UIKit, AppKit)
Week 5: Building and debugging full apps
Interview Questions
What is Objective-C and how does it differ from C?
Explain the dynamic messaging system in Objective-C.
What are categories and protocols?
How does ARC work for memory management?
How do you integrate Objective-C with Swift?
Cheat Sheet
@interface / @implementation - class declaration
@property - declare class properties
@protocol - define interfaces
[object method] - send message
ARC - automatic memory management
Books
Programming in Objective-C by Stephen Kochan
Objective-C Programming: The Big Nerd Ranch Guide
Effective Objective-C 2.0
Learning Objective-C 2.0
Cocoa Programming for Mac OS X
Tutorials
Objective-C syntax and basic constructs
Object-oriented programming in Objective-C
Memory management and ARC
Using Cocoa/Cocoa Touch frameworks
Building simple iOS/macOS applications
Official Docs
Apple Developer Objective-C documentation
Cocoa and Cocoa Touch framework references
Clang/LLVM Objective-C compiler docs
Community Links
Apple Developer Forums
Stack Overflow Objective-C tag
GitHub Objective-C projects
CocoaPods library community
Legacy iOS/macOS developer forums
Community Support
Apple Developer Forums
Stack Overflow Objective-C tag
CocoaPods and GitHub repositories
Legacy iOS/macOS developer communities
Documentation on Apple Developer website