Self-Assessment 2

Question 1

Which of the following is/are automatically added to every class, if we do not write our own?

Answer 1

C. Constructor without any parameter

Question 2

include <iostream></iostream>

What will be the output of the following program?

using namespace std;

class Point {
Point () { cout &laquo_space;“Constructor Called”;}

int main()
{
Point t1;
return 0;
}

Answer 2

C. Constructor Called

Question 3

Which of the following gets called when an object is being created?

Answer 3

C. Constructor

Question 4

Can we define a class without creating constructors

Answer 4

A. True/Yes

Question 5

include <iostream></iostream>

What will be the output of the following program:

using namespace std;

class demo {
public:
int f_num, s_num;

sum(int a, int b) {
    cout << a + b;
} };

int main() {
demo d1;
d1.sum(d1.f_num = 10, d1.s_num = 20);
return 0;
}

Answer 5

C. 30

Question 6

Which constructor function is designed to copy object of same class type?

Answer 6

A. Copy Constructor

Question 7

Allocation of memory to objects at the time of their construction is known as _____ of objects

Answer 7

B. Dynamic Construction

Question 8

Which among the following best describes constructor overloading?

Answer 8

C. Defining more than one constructor in a single class with different signature

Question 9

If new operator is used, then the constructor function is

Answer 9

C. Dynamic Constructor

Question 10

Does constructor overloading include different return types for constructors to be overloaded?

Answer 10

D. The constructors doesn’t have any return type.

Question 11

Which among the following is a possible way to overload a constructor?

Answer 11

A. Define default constructor, 1 parameter constructor and 2 parameter constructor

Question 12

Which is executed automatically when the control reaches the end of the class scope?

Answer 12

B. Destructor

Question 13

The special character related to destructor is

Answer 13

D. ~

Question 14

A destructor is used to destroy the objects that have been created by a

Answer 14

C. Constructor

Question 15

______ provides the flexibility of using different format of data at runtime depending upon the situation

Answer 15

A. Dynamic Initialization