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In objective-c, I can declare an int or bool etc in the .m file, outside any function. That allows me to use such variable everywhere in the class.
I can also declare such variables in the .h file, inside the interface block, achieving the same result.
Well, my question is: what is the difference? Is there? Or is it all a matter of organization?
In first case they become gloabal variables in .m file and are are shared between all the instances of the interface. In second case the will be separate for multiple instances. The common way is to declare interface variables with in the interface