Internal to class, instance variables or properties?
39668
Is there a difference between an "instance variable" and a "property" in Objective-c?
10607
Implementing private instance variables in Javascript
90035
Creating the instance of abstract class or anonymous class
134386
Should you ever use protected member variables?
1477
Using property() on classmethods
82116
Should I be using object literals or constructor functions?
111570
What is the difference between class and instance methods?
34819
What is the difference between an Instance and an Object?
137541
class variable vs instance variable --Python
60540
Should I instantiate instance variables on declaration or in the constructor?
6085
Why use getters and setters/accessors?
22859
Initialize class fields in constructor or at declaration?
84544
Why and how does C# allow accessing private variables outside the class itself when it's within the same containing class?
21725
How to loop through all the properties of a class?
148873
Objective-C: Use singleton vs. use class as an object?
93211
When several classes need to access the same data, where should the data be declared?
8465
What does a public constructor on an internal class mean