reflection - Create objective-c class instance by name?

Question

Is it possible to create an instance of a class by name? Something like:

NSString* className = @"Car";
id* p = [Magic createClassByName:className];
[p turnOnEngine];

I don't know if this is possible in objective-c but seems like it would be,

Answer 1

id object = [[NSClassFromString(@"NameofClass") alloc] init];