Objective-C instance variable vs @interface variable
39668
Is there a difference between an "instance variable" and a "property" in Objective-c?
34819
What is the difference between an Instance and an Object?
90713
Why Objective-C doesn't support method overloading?
60798
Objective C Class Methods vs C Functions
102641
ObjectiveC: if (obj) {...} AND if (obj != nil) {...}, which is better?
13936
What is the difference between class and instance attributes?
132306
Java - Interface, instantiating an interface?
99046
instance variable vs. symbol in ruby on rails (form_for)
103547
What is your alternative name for ID variable in Objective-C?
855
What does it mean to "program to an interface"?
11951
Should I use properties or direct reference when accessing instance variables internally?
77565
Should we @Override an interface's method implementation?
148873
Objective-C: Use singleton vs. use class as an object?
75437
Objective-C Blocks and variable scope
116055
What does the @ symbol represent in objective-c?
32263
C# Interfaces. Implicit implementation versus Explicit implementation
75941
Initialization of instance fields vs. local variables