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iOS Build a Diary App Using Core Data Listing Data using NSFetchedResultsController Fetched Results Controller

Jay Mayu
Jay Mayu
6,805 Points
Posted by Jay Mayu
Jay Mayu
6,805 Points

Where to declare new pointers / variables

I see the author declares the variables / pointers in the .m file itself. But in the previous tutorials we learned that .h file is used for declaration.

Is there any reason the instructor keeps on declaring pointers and new variables in the .m file?

1 Answer

Robert Bojor
PLUS
Robert Bojor
Courses Plus Student 29,439 Points
Robert Bojor
Robert Bojor
Courses Plus Student 29,439 Points

When you declare a property in the class header file, and for that matter a method as well, they become available to other classes that include this class. If you declare the properties and methods inside the implementation file they are private to that class and can't be accessed from outside.

The best way is to keep properties that don't need to be accessed inside the implementation file and the ones that need to be accessed in the header file.

Jay Mayu
Jay Mayu
6,805 Points
Jay Mayu
Jay Mayu
6,805 Points

It makes sense now. Thanks for the answer.