1.2.4 OOP definitions Flashcards
(e)
1
Q
what is a class?
A
a template for making an object
2
Q
what is an object?
A
an instance of a class
3
Q
what is a constructor method?
A
- __init__
- creates an instance of an object
4
Q
what is a public attribute?
A
accessible anywhere in the code
5
Q
what is a protected attribute?
A
only accessible inside the class or subclass
6
Q
what is a private attribute?
A
only accessible inside the class
7
Q
what is encapsulation?
A
data hiding, making attributes private and only accessible via the public methods
8
Q
what are the advantages of encapsulation?
A
1) stops accidental overwriting of attributes
2) allows validation before modifying attributes
9
Q
what is inheritance?
A
where a subclass takes on the attributes of a superclass and can have additional attributes and methods
10
Q
what is polymorphism?
A
redefining a method in a subclass with new behaviour
