What is an instance variable?

Can you explain what an instance variable is?

Sure! An instance variable is a variable that is defined in a class and is unique to each instance of that class.

How does it differ from a class variable?

A class variable is shared among all instances of a class, while an instance variable is specific to each object.

Can you give me an example of an instance variable?

Of course! In a class Car, an instance variable could be color, which can have different values for each car object.

Are instance variables private by default?

No, instance variables are not private by default. They can be public, private, or protected depending on how you define them.