Category

Object Oriented Programming MCQs


Which feature allows open recursion, among the following?


aUse of this pointer

✓


bUse of pointers

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cUse of pass by value

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dUse of parameterized constructor

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View Answer Use of this pointer

Which of the two features match each other?


aInheritance and Encapsulation

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bEncapsulation and Polymorphism

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cEncapsulation and Abstraction

✓


dAbstraction and Polymorphism

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Which header file is required in C++ to use OOP?


aiostream.h

✖


bstdio.h

✖


cstdlib.h

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dOOP can be used without using any header file

✓



Which concept of OOP is false for C++?


aCode can be written without using classes

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bCode must contain at least one class

✓


cA class must have member functions

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dAt least one object should be declared in code

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Why Java is Partially OOP language?


aIt supports usual declaration of primitive data types

✓


bIt doesn’t support all types of inheritance

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cIt allows code to be written outside classes

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dIt does not support pointers

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When OOP concept did first came into picture?


a1970’s

✓


b1980’s

✖


c1993

✖


d1995

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View Answer 1970’s

How many classes can be defined in a single program?


aOnly 1

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bOnly 100

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cOnly 999

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dAs many as you want

✓


View Answer As many as you want

Which language does not support all 4 types of inheritance?


aC++

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bJava

✓


cKotlin

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dSmall Talk

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View Answer Java

Which Feature of OOP illustrated the code reusability?


aPolymorphism

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bAbstraction

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cEncapsulation

✖


dInheritance

✓


View Answer Inheritance

Pure OOP can be implemented without using class in a program. (True or False)


aTrue

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bFalse

✓


cA & B

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d None of these

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View Answer False

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