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Fundamentals of Object-Oriented Programming

Authored by Shabana S

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Fundamentals of Object-Oriented Programming
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does OOP stand for?

Object-Oriented Programming

Object-Oriented Process

Object-Optimized Programming

Open Object Protocol

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Name the four main principles of OOP.

Encapsulation, Abstraction, Inheritance, Polymorphism

Interface

Composition

Aggregation

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a class in OOP?

A class is a type of variable in OOP.

A class is a blueprint for creating objects in OOP.

A class is a collection of data types in OOP.

A class is a function that performs actions in OOP.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Define an object in the context of OOP.

A class is a blueprint for creating objects.

An object is a type of variable that holds a single value.

An object is a function that performs actions.

An object is an instance of a class that contains data and methods.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is inheritance in OOP?

Inheritance is a method for storing data in a database.

Inheritance is a mechanism in object-oriented programming that enables a new class to inherit attributes and behaviors from an existing class.

Inheritance is a way to create multiple instances of a class.

Inheritance allows classes to be combined into a single class.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain polymorphism with an example.

An example of polymorphism is a method 'calculate()' in a class 'Math'.

Polymorphism is when a method can only be overridden in the same class.

Polymorphism allows a class to inherit from multiple superclasses.

An example of polymorphism is a method 'draw()' in a superclass 'Shape'. Subclasses like 'Circle' and 'Square' can have their own implementations of 'draw()'. When a 'Shape' reference points to a 'Circle' or 'Square' object, calling 'draw()' will execute the respective subclass's method.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is encapsulation and why is it important?

Encapsulation allows unrestricted access to all object properties for easier debugging.

Encapsulation is the process of separating data from methods to enhance performance.

Encapsulation is a method of storing data in a database without any restrictions.

Encapsulation is the practice of bundling data and methods that operate on that data within a single unit, restricting access to the internal state of an object, which is important for data integrity and reducing complexity.

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