Top "Class-cluster" questions

A class cluster is an architecture that groups a number of private, concrete subclasses under a public, abstract superclass.

What exactly is a so called "Class Cluster" in Objective-C?

I was reading that NSArray is just such a thing. Sounds heavy. I have 7 really fat books here on my …

objective-c cocoa cocoa-design-patterns class-cluster
NSString instance reports its class as NSCFString

My objective here is really simple -- I'm trying to set an NSString to some test data, then return the …

objective-c cocoa class nsstring class-cluster