Speak Object Oriented - Word Drills Flashcards
What I'll do is give you a small set of words with definitions you need to know. Then I'll give you a set of sentences with holes in them that you'll have to understand. Finally, I'm going to give you a large set of exercises that you have to complete to make these sentences solid in your vocabulary.
class
Tell Python to make a new kind of thing.
object
Two meanings: the most basic kind of thing, and any instance of some thing.
instance
What you get when you tell Python to create a class.
def
How you define a function inside a class.
self
Inside the functions in a class, self is a variable for the instance/object being accessed.
inheritance
The concept that one class can inherit traits from another class, much like you and your parents.
composition
The concept that a class can be composed of other classes as parts, much like how a car has wheels.
attribute
A property classes have that are from composition and are usually variables.
is-a
A phrase to say that something inherits from another, as in a “salmon” is-a “fish.”
has-a
A phrase to say that something is composed of other things or has a trait, as in “a salmon has-a mouth.