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Object-Oriented Programming Concepts

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Questions and Answers

What is the main purpose of data abstraction in object-oriented programming?

To provide detailed information about the data to the outside world
To hide the implementation details from the outside world (correct)
To allow for multiple inheritance between classes
To ensure that objects can interact with each other

Which of the following is NOT a key characteristic of an object in object-oriented programming?

Containing its own data and code
Inheriting properties and methods from other objects
Directly accessing the private data of other objects (correct)
Interacting with other objects without knowing their internal details

What is the main purpose of encapsulation in object-oriented programming?

To provide detailed information about the data and code of an object
To ensure that objects can interact with each other
To hide the implementation details of an object from the outside world (correct)
To allow objects to inherit properties and methods from other objects

In the context of the car driving example, what does the principle of abstraction explain?

How the driver can control the car's speed and direction without knowing the internal mechanisms (A) Signup and view all the answers

What is the relationship between encapsulation and data hiding in object-oriented programming?

Encapsulation is a way to achieve data hiding, but they are not the same thing (C) Signup and view all the answers

What is the main aim of Object-Oriented Programming (OOP)?

To bind together data and functions that operate on them, preventing access from other parts of the code (C) Signup and view all the answers

What is the relationship between a class and an object in OOP?

A class is a blueprint for creating objects, and an object is an instance of a class (C) Signup and view all the answers

What does the concept of inheritance in OOP allow?

It allows a class to inherit properties and methods from another class (C) Signup and view all the answers

What is the purpose of encapsulation in OOP?

To hide the implementation details of an object from other parts of the code (D) Signup and view all the answers

What does polymorphism in OOP refer to?

The ability of a function to operate on different data types (D) Signup and view all the answers