Difference between access of private instance variables in same class and in different class
1279
What is the difference between public, protected, package-private and private in Java?
74427
Private members of the interface
30777
"Private" (implementation) class in Python
7167
difference between variables inside and outside of __init__()
22883
Why does the "protected" modifier in Java allow access to other classes in same package?
93211
When several classes need to access the same data, where should the data be declared?
40268
Java protected fields vs public getters
75941
Initialization of instance fields vs. local variables
122570
Ruby class instance variable vs. class variable
34698
Private methods in Inheritance
86356
A private list variable is inadvertently shared between instance objects
117996
Do Sub-Classes Really Inherit Private Member Variables?
134386
Should you ever use protected member variables?
26666
In a PHP5 class, when does a private constructor get called?
60540
Should I instantiate instance variables on declaration or in the constructor?
145823
What's the difference between _variable & self.variable in Objective-C?
816
What is the difference between a variable, object, and reference?