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OOPS Interview Questions (Multiple Choice Quiz)

Byadmin October 26, 2021October 7, 2023

Below are some of the well-researched and frequently asked OOPS Interview questions and answers in multiple choice Quiz format. Test your knowledge and improve your skills. Try out Python Interview Questions Quiz as well after finishing this

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Created on May 31, 2023 By

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OOPS Interview Questions (Multiple Choice Questions)

1 / 13

A single program of OOPS contains _______ classes?

Only 1

Only 999

Only 100

Any number

2 / 13

Define the programming language, which does not support all four types of inheritance?

Smalltalk

C++

Java

Kotlin

3 / 13

Which feature of OOPS derives the class from another class?

Inheritance

Polymorphism

Encapsulation

Data hiding

4 / 13

Which among the following feature is not in the general definition of OOPS?

Modularity

Duplicate or Redundant Data

Code reusability

Efficient Code

5 / 13

Which of the following language supports polymorphism but not the classes?

Java programming language

C# programming language

C++ programming language

Ada programming language

6 / 13

Which feature of OOPS described the reusability of code?

Abstraction

Encapsulation

Polymorphism

Inheritance

7 / 13

Which of the following is not an OOPS concept?

Abstraction

Encapsulation

Exception

Polymorphism

8 / 13

Why Java is Partially OOP language?

It allows code to be written outside classes

It supports usual declaration of primitive data types

It does not support pointers

It doesn’t support all types of inheritance

9 / 13

What happens when an object is passed by reference?

Destructor is called at end of function

Destructor is called when called explicitly

Destructor is not called

Destructor is called when function is out of scope

10 / 13

The copy constructors can be used to ________

Copy an object so that it can be passed to another primitive type variable

Copy an object for type casting

Copy an object so that it can be passed to a function

Copy an object so that it can be passed to a class

11 / 13

What is encapsulation in OOP?

It is a way of combining various data members and member functions that operate on those data members into a single unit

It is a way of combining various data members and member functions into a single unit which can operate on any data

It is a way of combining various data members into a single unit

It is a way of combining various member functions into a single unit

12 / 13

In multilevel inheritance, which is the most significant feature of OOP used?

Flexibility

Code readability

Code reusability

Code efficiency

13 / 13

The feature by which one object can interact with another object is _____________

Message reading

Message Passing

Data transfer

Data Binding

Your score is

The average score is 57%

Read : Data Engineer vs Data Architects: Understanding Differences

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