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Questions on topic Object Oriented Programming Priniciples

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Q1. What is the primary purpose of encapsulation in Object Oriented Programming?

To protect an object's internal state

To allow multiple inheritance

To enable polymorphism

To simplify the interface

Q2. Which of the following is NOT a principle of Object Oriented Programming?

Encapsulation

Inheritance

Polymorphism

Compilation

Q3. What does inheritance allow a class to do?

Access data from other classes

Hide its internal state

Change its type at runtime

Run faster

Q4. What is polymorphism in Object Oriented Programming?

The ability of different objects to respond to the same method call

The ability to create multiple classes

The ability to hide data

The ability to inherit from multiple classes

Q5. Which of the following best describes a class?

A blueprint for creating objects

An instance of an object

A collection of methods only

A way to store data

Q6. What is the term for a class that cannot be instantiated?

Abstract class

Final class

Static class

Concrete class

Q7. Which keyword is used to create an instance of a class in many programming languages?

new

create

instance

class

Q8. What is the purpose of a constructor in a class?

To initialize objects

To destroy objects

To define methods

To inherit from other classes

Q9. Which of the following is an example of polymorphism?

Method overloading

Data encapsulation

Class inheritance

Object creation

Q10. What is the key benefit of using abstraction in Object Oriented Programming?

To reduce complexity by hiding unnecessary details

To allow for multiple inheritance

To ensure data integrity

To improve performance

Questions on topic Object Oriented Programming Priniciples

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