Learn OBJECTIVE-C with Real Code Examples

Objective-C source code (.m/.h files)

Compiler (Clang/LLVM) for macOS/iOS targets

Linker and runtime for dynamic message dispatch

Apple frameworks and libraries

Executable or library running on Apple platforms

Parse Objective-C source

Compile via Clang/LLVM

Link with Apple frameworks

Dynamic dispatch via runtime

Execute in iOS/macOS environment

Model-View-Controller for app design

Delegate and observer patterns

Protocol-oriented programming

Dynamic runtime messaging

Hybrid Objective-C/Swift codebases

Legacy iOS applications

macOS desktop software

Reusable libraries and frameworks

Hybrid Objective-C/Swift projects

High-performance system apps on Apple platforms

Extend C with object-oriented capabilities

Dynamic runtime for flexible message passing

Protocol-oriented design support

ARC for safer memory management

Maintain compatibility with C and Apple frameworks

Modularize code into classes and frameworks

Use efficient data structures (NSArray vs NSMutableArray)

Optimize memory usage via ARC

Profile and optimize performance-critical code

Use asynchronous operations for UI responsiveness

Maintain legacy Objective-C projects

Use Swift bridging headers for new features

Refactor code to ARC if using manual retain/release

Update deprecated API usage

Test thoroughly on multiple iOS/macOS versions