On Nov 11, 2008, at 9:21 AM, Etienne Guérard wrote:
You should derive your classes from NSObject, not from Object.
You normally don't have to #include <objc/Object.h>.
Where did you find such an example?
It is from Steve Kochan's book ...which is basically an introduction
to Objective C.
The alloc method basically does a calloc of the appropriate instance
size.
The init method of NSObject does nothing.
It's good practive to always call an init metod in your own
constructor and when you create a new object.
So all you have to do is this:
Fraction *myFraction = [[Fraction alloc] init];
Don't forget to (auto)release this object when you're done.
Thank you._______________________________________________
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