
Mastering Object Oriented Programming
Quiz
•
Computers
•
12th Grade
•
Practice Problem
•
Easy
Irgiawan Fhutuh
Used 3+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a class in object-oriented programming?
A class is a type of variable that stores data.
A class is a function that executes code.
A class is a blueprint for creating objects that defines attributes and methods.
A class is a method that performs calculations.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Define an object in the context of OOP.
An object is a type of variable that holds a single value.
A class is a blueprint for creating objects.
An object is a function that performs actions in OOP.
An object is an instance of a class that encapsulates data and behavior in OOP.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain the concept of inheritance in OOP.
Inheritance allows a class to inherit only methods, not attributes.
Inheritance is used to create interfaces in OOP.
Inheritance allows a subclass to inherit attributes and methods from a superclass, promoting code reuse and establishing a class hierarchy.
Inheritance is a method to delete classes in OOP.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of polymorphism in programming?
To restrict method access to private members only.
To improve the performance of code execution.
To enable multiple inheritance in classes.
The purpose of polymorphism in programming is to allow for methods to operate on objects of different classes through a common interface.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Describe encapsulation and its importance in OOP.
Encapsulation is primarily used to improve the performance of an application.
Encapsulation is the process of combining multiple classes into one single class.
Encapsulation is the principle of restricting access to an object's internal state and requiring all interaction to occur through well-defined interfaces, which enhances data protection and modularity.
Encapsulation allows direct access to an object's internal state for easier manipulation.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is abstraction in programming?
Abstraction refers to the process of debugging code.
Abstraction is a programming principle that simplifies complex systems by exposing only the essential features and hiding the details.
Abstraction is a technique to write more lines of code.
Abstraction is a method to increase the performance of a program.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Differentiate between an interface and an abstract class.
An interface is a contract with no implementation, allowing multiple inheritance; an abstract class can have some implementation and supports single inheritance.
An interface can only be inherited by one class; an abstract class can be implemented by multiple classes.
An interface can have implementation and supports multiple inheritance; an abstract class is a contract with no implementation.
An interface can contain fields and properties; an abstract class cannot have any fields.
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