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Possible Duplicate:
What do the plus and minus signs mean in Objective C next to a method?
What’s the difference between using a plus or minus in Objective-C?
For example, most of the time code starts -(void)somethingSomethingelse, but sometimes it will be +(void)somethingSomethingelse
Thanks!
In short, (+) is a class method and (-) is an instance method
See this answer for a full explanation
What is the difference between class and instance methods?