ATM Challenge

Question 1

What is an attr_accessor?

Answer 1

it is a class method that gives a class setters and getter methods so that you can use the variables

Question 2

What is an instance double?

Answer 2

They are fake objects that we use for testing.
Doubles are objects that can be used as stand-ins for instances of other classes. Even if they still are not defined.

We use instance doubles when we don’t have created classes.