Learn OBJECTIVE-C with Real Code Examples

Efficient for C-level operations

Dynamic message dispatch has minimal overhead for typical apps

ARC reduces memory management bugs

Categories and protocols can introduce runtime flexibility with negligible performance cost

Compile-time optimizations via Clang/LLVM improve execution speed

Avoid memory leaks and dangling pointers

Use secure coding practices for iOS/macOS APIs

Sanitize input data for user-facing apps

Follow Apple guidelines for sensitive data

Ensure proper entitlements for device capabilities

Profile memory and CPU usage with Instruments

Log runtime events with NSLog or os_log

Monitor app performance and responsiveness

Check for leaks and retain cycles

Use Xcode debugger for runtime inspection

Follow Apple coding guidelines

Use consistent naming conventions

Comment and document public APIs

Leverage protocols and categories for modularity

Unit test critical code paths