Learn
Object-Oriented Programming I
Getting Classier
Perfect! Now let’s class things up a bit with a class variable.
Instructions
1.
Give your Message
class a @@messages_sent
class variable and set it equal to 0. In the body of your initialize
method, increment this value by 1 so that each time a new Message
object is created, @@messages_sent
will increase by 1. Don’t create any instances of your class just yet!