Quizzes on C++ Fundamentals

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Question 1

1 / 10

Which of the following is NOT a valid access specifier in C++?

public

private

protected

friend

Question 2

2 / 10

What is the purpose of the `std::move` function in C++11?

To deeply copy an object.

To move an object's resources to another object.

To create a new object.

To delete an object.

Question 3

3 / 10

Which of the following is a correct way to declare a pointer to a function that takes an integer and returns a double?

double *func(int);

double (*func)(int);

double func*(int);

double &func(int);

Question 4

4 / 10

What is the difference between `struct` and `class` in C++?

There is no difference.

Members of `struct` are public by default, while members of `class` are private by default.

Members of `class` are public by default, while members of `struct` are private by default.

`struct` can only contain data members, while `class` can contain both data and function members.

Question 5

5 / 10

Which keyword is used to prevent a derived class from overriding a virtual function?

final

override

static

const

Question 6

6 / 10

What is the purpose of the `explicit` keyword in C++?

To prevent implicit type conversions.

To enforce explicit memory allocation.

To declare a function as inline.

To make a variable global.

Question 7

7 / 10

Which of the following is an example of a lambda expression in C++?

int x = 5;

void func() {}

[&](int x){ return x * 2; }

class MyClass {};

Question 8

8 / 10

What is the output of the following code snippet? `std::cout << (5 >> 2);`

2.5

Question 9

9 / 10

What does RAII stand for in C++?

Resource Allocation Is Initialization

Runtime Allocation Is Initialization

Resource Acquisition Is Initialization

Resource Allocation Isn't Initialization

Question 10

10 / 10

Which STL container guarantees that elements are stored in sorted order?

vector

list

set

unordered_map

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