C++ MCQ: OOPS Multiple Choice Questions

C++ MCQ with answers and explanations for placement tests and job interviews. These solved C++ Programming MCQ questions are useful for the campus placement of all freshers including Engineering Students, MCA students, Computer and IT Engineers, etc.

Our C++ MCQ ( C++ Multiple Choice Questions )  focuses on all areas of the C++ programming language. We will regularly update the quiz and most interesting thing is that questions come in a random sequence. So every time you will feel new questions.

Note: Your score along with correct answers will be visible after answering all of these questions.

C++ MCQ

C++ OOPS Multiple Choice Questions And Answers

1 / 60

If base class has constructor with arguments, then it is ________________ for the derived class to have constructor and pass the arguments to base class constructor.

2 / 60

Which of the following is correct?

3 / 60

In CPP program, Can we declare and define a user defined function inside a struct as we do in a class ?

4 / 60

Identify the incorrect statement.

5 / 60

A member function can always access the data in __________ , (in C++).

6 / 60

Method overriding can be prevented by using the final as a modifier at ______.

7 / 60

Which of the following provides a programmer with the facility of using the object of a class inside other classes?

8 / 60

Assume class TEST. Which of the following statements is/are responsible to invoke copy constructor?

9 / 60

A virtual function that has no definition within the base class is called____________.

10 / 60

Which of the following is not a type of Constructor?

11 / 60

Which of the following is an abstract data type?

12 / 60

Which of the following is true about inline functions and macros.

13 / 60

Which OOPs concept is allowed to reuse the code?

14 / 60

Inline functions are useful when

15 / 60

Which of the following is not correct (in C++) ?

1. Class templates and function templates are instantiated in the same way.
2. Class templates differ from function templates in the way they are initiated.
3. Class template is initiated by defining an object using the template argument.
4. Class templates are generally used for storage classes.

16 / 60

Which of the following are true about Virtual functions?

17 / 60

Who is the father of C++?

18 / 60

Which operator is overloaded for cout operation?

19 / 60

Wrapping data and its related functionality into a single entity is known as _____________

20 / 60

In any ways, Non-member function cannot have access to the private data of the class.

21 / 60

If a class contains static variable, then every object of the class has its copy of static variable.

22 / 60

How the template class is different from the normal class?

23 / 60

While redefining a virtual function in the derived class, if its prototype is changed then ___________________ .

24 / 60

The member in a class by default is ____?

25 / 60

const member function does not allow to modify/alter the value of any data member of the class.

26 / 60

How structures and classes in C++ differ?

27 / 60

Can constructors be overloaded?

28 / 60

An operator function is created using _____________ keyword.

29 / 60

While overloading binary operators using member function, it requires ___ argument/s.

30 / 60

_________________are used for generic programming.

31 / 60

What does polymorphism in OOPs mean?

32 / 60

Why references are different from pointers?

33 / 60

Which one of the following is not a member of the class?

34 / 60

In CPP, cin and cout are the predefined stream __________ .

35 / 60

What is the effect of a negative number in a field width specifier?

36 / 60

Which of the following shows multiple inheritances?

37 / 60

How access specifiers in Class helps in Abstraction?

38 / 60

Assigning one or more function body to the same name is called ____________ .

39 / 60

How compile-time polymorphisms are implemented in C++?

40 / 60

What are the things that are inherited from the base class?

41 / 60

Which of the following class allows to declare only one object of it?

42 / 60

Which of the following explains Polymorphism?

1.

int func(int, int);
float func1(float, float);

2.

int func(int);
int func(int);

3.

int func(float);
float func(int, int, char);

4.

int func();
int new_func();

 

 

43 / 60

When a virtual function is redefined by the derived class, it is called___________.

44 / 60

Constant variables can be created in CPP by using ________ .

45 / 60

Which symbol is used as an address operator?

46 / 60

Which of the following is not correct for virtual function in C++?

47 / 60

How many types of polymorphism in c++?

48 / 60

Which of the not an inheritance?

49 / 60

In C++, polymorphism requires:

50 / 60

What is the syntax of class template?

51 / 60

What does modularity mean?

52 / 60

What is the difference between references and pointers?

53 / 60

The associativity of which of the following operators is Left to Right, in C++?

54 / 60

Which of the following approach is followed by the c++

55 / 60

How can we make a C++ class such that objects of it can only be created using new operator? If the user tries to create an object directly, the program produces compiler error.

56 / 60

Classes in CPP are________

57 / 60

How run-time polymorphisms are implemented in C++?

58 / 60

If abstract class is inherited by derived class, then_______________ .

59 / 60

Pick the correct statement about references.

60 / 60

Which of the following function must use reference.

 

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