What is the main purpose of abstraction in object-oriented programming?
Modern JavaScript from the Beginning - Second Edition - Basic Principles of OOP

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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To make the code less efficient
To increase the complexity of the code
To hide unnecessary details and show only relevant parts
To show all details of an object
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best describes encapsulation?
Using the same method name for different objects
Bundling data and methods into a single unit
Inheriting properties from a parent class
Hiding the implementation details of a method
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does encapsulation contribute to data hiding?
By allowing access to all variables from any scope
By making all data public
By using global variables
By restricting access to an object's properties from outside
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary benefit of inheritance in programming?
To allow for code reuse and reduce redundancy
To hide data from other classes
To increase code redundancy
To make code more complex
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the context of inheritance, what does the 'extends' keyword do in JavaScript?
It creates a new class
It allows a class to inherit properties and methods from another class
It deletes a class
It hides the properties of a class
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does polymorphism allow you to do in object-oriented programming?
Use different method names for the same functionality
Use the same method name for different functionalities
Create multiple classes with the same properties
Hide the implementation details of a class
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does polymorphism simplify code?
By making code more complex
By increasing the number of methods needed
By using long if-else statements
By allowing a single method to work for different types of objects
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