Read and Write NSArray, NSDictionary and NSSet to a File

With just a few lines of code, you can read/write collections to/from files. The code below shows examples for writing and reading both NSArray and NSDictionary objects, the same logic would apply to an NSSet (or other collection type).

The example below starts by populating both an array and dictionary, each using the Objective-C literal syntax. Read more about using NSArray literals and NSDictionary literals.

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