by stroman.aaron
Dive into the world of object-oriented programming with our Constructors Quiz! This quiz is designed to test your knowledge on constructors, the special methods used to initialize objects in programming. Whether you’re a beginner or a seasoned programmer, these questions will challenge your understanding and help you master the concept of constructors. Good luck and enjoy the quiz!
We recommend that you do not leave the page that you are taking this quiz in. Stay honest 🙂
Constructors Quiz Questions Overview
1. What is the primary purpose of a constructor in object-oriented programming?
To destroy objects
To initialize objects
To create classes
To call methods
2. Which of the following is true about constructors?
Constructors have a return type
Constructors must have the same name as the class
Constructors can be called explicitly
Constructors can be inherited
3. In which programming language is the ‘super()’ constructor call used?
Python
Java
C++
JavaScript
4. What is a default constructor?
A constructor with parameters
A constructor with a return type
A constructor with no parameters
A constructor that is private
5. Which of the following statements is true about constructors in C++?
Constructors can have a return type
Constructors cannot be overloaded
Constructors are called when an object is destroyed
Constructors can be overloaded
6. What keyword is used to define a constructor in Python?
init
constructor
def
self
7. Which of the following is NOT a type of constructor?
Default constructor
Parameterized constructor
Copy constructor
Static constructor
8. What happens if a class does not have any constructor defined?
The class cannot be instantiated
The compiler provides a default constructor
The class will have a runtime error
The class will not have any methods
9. In Java, what is the purpose of the ‘this()’ constructor call?
To call the current class’s constructor
To call the superclass’s constructor
To call a static method
To call a private method
10. Which of the following is a characteristic of a copy constructor in C++?
It initializes an object using another object of the same class
It initializes an object using a different class
It cannot be overloaded
It has a return type
11. In Python, how do you call a superclass’s constructor from a subclass?
super().__init__()
super.init()
super()
self.__init__()
12. What is a parameterized constructor?
A constructor with no parameters
A constructor with parameters
A constructor that initializes static fields
A constructor that cannot be overloaded
13. Which of the following languages uses the ‘new’ keyword to create an object and call a constructor?
Java
Python
C
HTML
14. In C++, what is the role of a destructor?
To initialize an object
To destroy an object
To copy an object
To overload an object
15. What is constructor overloading?
Having multiple constructors with different parameters
Having a constructor with no parameters
Calling a constructor from another constructor
Defining a constructor in a superclass
16. Which of the following is true about constructors in JavaScript?
Constructors cannot be defined in JavaScript
Constructors are defined using the ‘function’ keyword
Constructors are defined using the ‘constructor’ keyword
Constructors must have a return type
We recommend that you do not leave the page that you are taking this quiz in. Stay honest 🙂
