Foundation Documentation
You should take advantage of the Foundation framework documentation that is stored on your system (if you elected to download local copies) and that is also available online at Apple’s website. Most documentation exists in the form of HTML files for viewing by a browser or as Acrobat PDF files. Contained in this documentation is a description of all the Foundation classes and all the implemented methods and functions. I keep the URL to the Foundation documentation as a bookmark in my browser so that I can easily look up information about a Foundation class.
If you’re using Xcode to develop your programs, you have easy access to documentation in several different ways. You can get to the main Documentation window, Documentation ...
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