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A fully up-to-date 1-page PDF Objective-C Cheat Sheet, a handy quick reference for those new to the language.
By Ray Wenderlich.
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Update 10/13/13: Fully updated for Xcode 5 and current best practices.
Update 9/28/12: Fully updated for ARC and new features in Xcode 4.4+ like auto-synthesis and literal syntax.
We periodically teach a workshop called iOS 101, which is a 1-2 day crash course on beginning iOS programming.
In the workshop, we like to cover the basics of Objective-C, since those new to iOS programming are usually also new to Objective-C.
In past offerings of iOS 101, a common request was “please make an Objective-C cheat sheet for the workshop!”
Well, your wish is our command – keep reading to download the official raywenderlich.com Objective-C cheatsheet! :]
Without further ado, here is the download link:
Objective-C Cheatsheet and Quick Reference v1.5
It summarizes the most important Objective-C syntax on one page to get you up to speed quickly, including:
Feel free to print out a copy or send to a friend who’s learning Objective-C! :]