Voici un tutorial pour débuter en Objective-C qui regroupe les bases de ce langage.

Objective-C Tutorial

NSNumber is a commonly used class in Objective-C and here our object is named numberObject. The asterisk is used to indicate that the object name is a pointer.
Objective-C is a programming language used in iPhone app development. You will be spending 90% of your time working with this language for most programming tasks that you will encounter as you work through app development. This tutorial is meant as a guide for programmers who want to get started fast on the language. If you need to know more about what tools and so on that you will need for iPhone development in general see our tutorial on iPhone programming.

Objective-C Objects

Objective-C is an object oriented programming language and you will be spending most of your time creating and working with objects. To define an object to work with you simply write out the name of the class and a name that will serve as the local pointer to the object:

	NSNumber *numberObject;
[...]

Le tutorial entier : Objective-C Programming Tutorial.

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