class extension in objective-c

Question

I am learning object-c by reading a book. When I read the chapter about class extension, the book gives the following example code:

// A class extension
@int         


        

Answer 1

What I got from it is that the property officeAlarmCode is only visible within the BNREmployee.m file, it will not be accessible from main.m.

To pass the value to mikeysCode you would have to create a method that returns officeAlarmCode.