Introduction to Object Orientation

Who invented OOP?

• Alan Kay

• Andrea Ferro

• Dennis Ritchie

• Adele Goldberg

Which of the following best defines a class?

• Parent of an object

• Blueprint of an object

• Instance of an object

• Scope of an object

Which is not feature of OOP in general definitions?

• Code reusability

• Modularity

• Duplicate/Redundant data

• Efficient Code

How many classes can be defined in a single program?

• As many as you want

• Only 1

• Only 100

• Only 999

Select the features of Object Oriented Programming

• Encapsulation

• Inheritance

• Polymorphism

• Abstraction

Which of the two features match each other?

• Inheritance and Encapsulation

• Encapsulation and Polymorphism

• Encapsulation and Abstraction

• Abstraction and Polymorphism

Which definition best describes an object?

• Instance of a class

• Instance of itself

• Child of a class

• Overview of a class

In a class, member variables are often called its _________, and its member functions are sometimes referred to as its behaviour, or ____________.

• data, activities

• attributes, methods

• attributes, activities

• attributes, activities

An Object can be declared prior to the class definition. True or False

Which Feature of OOP illustrated the code reusability?

• Polymorphism

• Abstraction

• Encapsulation

• Inheritance