adplus-dvertising
frame-decoration

Question

What is the output of the following code?
class Demo:
    def __new__(self):
        self.__init__(self)
        print("Demo's __new__() invoked")
    def __init__(self):
        print("Demo's __init__() invoked")
class Derived_Demo(Demo):
    def __new__(self):
        print("Derived_Demo's __new__() invoked")
    def __init__(self):
        print("Derived_Demo's __init__() invoked")
def main():
    obj1 = Derived_Demo()
    obj2 = Demo()
main()

a.


Derived_Demo’s __init__() invoked
Derived_Demo’s __new__() invoked
Demo’s __init__() invoked
Demo’s __new__() invoked

b.


Derived_Demo’s __new__() invoked
Demo’s __init__() invoked
Demo’s __new__() invoked

c.


Derived_Demo’s __new__() invoked
Demo’s __new__() invoked

d.


Derived_Demo’s __init__() invoked
Demo’s __init__() invoked

Posted under Python

Answer: (b).
Derived_Demo’s __new__() invoked
Demo’s __init__() invoked
Demo’s __new__() invoked

Engage with the Community - Add Your Comment

Confused About the Answer? Ask for Details Here.

Know the Explanation? Add it Here.

Q. What is the output of the following code?

Similar Questions

Discover Related MCQs

Q. All subclasses are a subtype in object-oriented programming. Is the statement true or false?

Q. What does single-level inheritance mean?

Q. Which of the following statements isn’t true?

Q. Method issubclass() checks if a class is a subclass of another class. True or False?

Q. Which of the following best describes polymorphism?

Q. What is the biggest reason for the use of polymorphism?

Q. What is the use of duck typing?

Q. A class in which one or more methods are only implemented to raise an exception is called an abstract class. True or False?

Q. Which of these is not a fundamental features of OOP?

Q. Which of the following is the most suitable definition for encapsulation?

Q. Methods of a class that provide access to private members of the class are called as ______ and ______

Q. Private members of a class cannot be accessed. True or False?

Q. How many except statements can a try-except block have?

Q. When will the else part of try-except-else be executed?

Q. Can one block of except statements handle multiple exception?

Q. When is the finally block executed?

Q. What happens when ‘1’ == 1 is executed?

Q. Which of the following is not a standard exception in Python?

Q. Syntax errors are also known as parsing errors. Is this statement true or false?

Q. Which of the following statements is true ?