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iOS Build a Simple iPhone App (iOS7) Refactoring into a Model Understanding @property

Posted by Joaquin Beltran
Joaquin Beltran
Courses Plus Student 6,784 Points

_ vs. self

in the -(NSArray *) predictions method we use 'predictions' to get the predictions instance variable. However, in the -(NSString *) randomPredictions method we use 'self.predictions' to get the count. I'm confused on when I'm suppose to use '' vs. 'self.'

1 Answer

Shani Rivers
Shani Rivers
14,920 Points
Shani Rivers
Shani Rivers
14,920 Points

Hi Joaquin,

I would write out an explanation, but there is a very detailed answer on Stack Overflow that just might answer your question:

http://stackoverflow.com/questions/10333495/difference-between-and-self-in-objective-c

Happy coding! Shani