Top "Instance-variables" questions

In object-oriented programming with classes, an instance variable is a variable defined in a class (i.e. a member variable), for which each object of the class has a separate copy.

Get attr_accessor/instance variables in ruby

So I know that you can get all instance variables in Ruby by calling #instance_variables, but if they haven't …

ruby attributes instance-variables
Instance Variables Inheritance

Can someone explain how a class can access the instance variables of its superclass and how that is not inheritance? …

ruby inheritance instance-variables
Declaring instance variables iterating over a hash!

i want to do the following: I want to declare the instance variables of a class iterating over a dictionary. …

ruby class hash iterator instance-variables
Ruby: Accessing class instance variables from one class in another class's class method

I am working on a ruby program and have run into the following problem. I have two classes AClass and …

ruby instance-variables attr-accessor
Inheriting instance variables in Objective-c

In Objective-c 2.0 why do subclasses need to reference instance variables in parent classes using the self keyword? Consider this example: // …

objective-c inheritance instance-variables self
Inherit class-level instance variables in Ruby?

I want a child class to inherit a class-level instance variable from its parent, but I can't seem to figure …

ruby oop inheritance scope instance-variables
Python: How to share data between instances of different classes?

Class BigClassA: def __init__(self): self.a = 3 def foo(self): self.b = self.foo1() self.c = self.foo2() self.d = …

python class instance-variables
What is the significance of final instance variables?

I am having some confusion between static final class variable and final instance variable. Here is the sample code:- …

java static constants instance-variables class-variables