1. Which of the following choices contains the terms that are most closely associated with Object Oriented Programming?
*Abstraction, Inheritance, Polymorphism, Functions
*Polymorphism, Methods, Encapsulation, Inheritance
*Encapsulation, Assignments, Polymorphism, Abstraction
*Methods, Assignments, Encapsulation, Abstraction
2.Consider the following statements.
*1 Class attributes are more suitable for sharing data across instances of a class as opposed to instance variables.
*2 Instance variables always point to a common location in memory regardless of which instance of a class is used to access them
*3 Abstraction cannot be utilized without Inheritance
*4 In order to enable access to instance variables, functions must have a “self” argument.
*5 Composition represents an “is-a” relationship between two entities.
Which combination of statements is true?
4, 3, 5, 1
1, 2, 3, 5
2, 3, 5, 4
5, 2, 4, 1
3. Which of the following scenarios depict true inheritance.
NB: -> represents the is a/an
*Vehicle -> Car -> Truck
*Pet -> Animal -> Dog
*Person -> Employee -> Manager
*User -> Admin -> Guest
4. Which of these is a valid interpretation of the expression foo = X()?
* Create an object foo of class X
* Assign variable foo an instance of X
* Set foo to an instance of X
*A and B
*A, B and C
5. The code class X(object): def __init__(self, J) can be interpreted as:
*Make a subclass X of class object that defines a constructor method that takes self and J as parameters
*Make a class X of object with a constructor method that has as parameters self and J
*Make a class X that inherits from an object class and has defined a constructor method that accepts as arguments the values of self and J
*All of the above
