Once you build a solid foundation of the programming language Objective-C, you’ll be equipped to create the latest and great app for Apple iOS or OS X.

Ready to begin using Objective-C to create the next big app for iOS or OS X? Learn about the history of this language as well as how to get started!

In this lesson, Lucas Derraugh breaks down the functions of each line of XCode's default Objective-C project, from the import function to NSAutorelease Pool.

Descriptions are a great example of an important Objective-C feature: overriding. Learn how overriding works with this demonstration of the description method.

Classes are the building blocks of Objective-C; without them, your code would be a mess. Continue your quest to Objective-C mastery with this lesson on classes.

What good are methods if they aren't used within your code? Use this tutorial to explore the @implementation and @interface sections of Objective-C programming.

Once you have the structure for your Objective-C project, it's time to get down to business! This tutorial shows you how to write simple Objective-C methods.

NSStrings are essential to your Objective-C projects; they allow you to input text and attach it to any object. Learn the many ways to use and format strings.

Confused about the difference between objects and classes? This tutorial reviews what you need to know about how each functions within your project.

Arrays are useful programming tools for working with large amounts of information. This tutorial covers how they work in Objective-C, using the NSArray class.