Java Perspective: Key-Value Protocols, Behind the Magic of Mac OS X Development

KVO? KVC? Say what? Key-Value Observing and Key-Value Coding, that’s what. As an introduction to Apple’s new Cocoa/Objective-C API called Core Data, Marcus Zarra shows you why KVO/KVC is an incredibly useful feature in its own right and deserves the attention of any developer new to the Cocoa/Objective-C arena.