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According to this: NSString property: copy or retain?
For NSString/NSMutableString, copy is recommended.
How about NSArray/NSMutableArray?
choose
copy, unless you have a very specific reason not to, as well as all the supporting code/interface to back that up.i detailed the rationale and several implications here:
NSMutableString as retain/copy
that example is based on
NSStrings, but the same applies forNSArrays.