CHAPTER 1
Hello World
Xcode
Objective-C is a programming language that extends the C programming language to include object-oriented programming capabilities. This means that most classic C programming procedures are used in Objective-C programs. For the purposes of this book, you will need to have an idea of how C programming works.
Before you write any Objective-C code, you will need to have the proper tool for the job. For Objective-C, this tool is Xcode. Xcode will be your primary code editor and integrated development environment (IDE).
Note Xcode requires a Mac. You cannot install Xcode on a Windows-or Linux-based computer.
To install ...
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