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Welcome to the Classes,Objects and OOPS concepts MCQs Page

Dive deep into the fascinating world of Classes,Objects and OOPS concepts with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Classes,Objects and OOPS concepts, a crucial aspect of Python. In this section, you will encounter a diverse range of MCQs that cover various aspects of Classes,Objects and OOPS concepts, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Python.

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Check out the MCQs below to embark on an enriching journey through Classes,Objects and OOPS concepts. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Python.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Classes,Objects and OOPS concepts. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Classes,Objects and OOPS concepts MCQs | Page 5 of 13

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Discuss
Answer: (c).Less restriction on the type values that can be passed to a given method
Q42.
What is the output of the following piece of code?
class A:
    def __str__(self):
        return '1'
class B(A):
    def __init__(self):
        super().__init__()
class C(B):
    def __init__(self):
        super().__init__()
def main():
    obj1 = B()
    obj2 = A()
    obj3 = C()
    print(obj1, obj2,obj3)
main()
Discuss
Answer: (a).1 1 1
Q43.
What is the output of the following piece of code?
class Demo:
    def __init__(self):
        self.x = 1
    def change(self):
        self.x = 10
class Demo_derived(Demo):
    def change(self):
        self.x=self.x+1
        return self.x
def main():
    obj = Demo_derived()
    print(obj.change())
 
main()
Discuss
Answer: (d).An exception is thrown
Q44.
A class in which one or more methods are only implemented to raise an exception is called an abstract class. True or False?
Discuss
Answer: (a).True
Q45.
Which of these is not a fundamental features of OOP?
Discuss
Answer: (c).Instantiation
Discuss
Answer: (b).Means of bundling instance variables and methods in order to restrict access to certain class members
Discuss
Answer: (c).The program runs fine and 1 is printed
Discuss
Answer: (c).The program has an error because b is private and hence can’t be printed
Q49.
Methods of a class that provide access to private members of the class are called as ______ and ______
Discuss
Answer: (a).getters/setters
Q50.
Which of these is a private data field?
def Demo:
def __init__(self):
    __a = 1
    self.__b = 1
    self.__c__ = 1
    __d__= 1
Discuss
Answer: (b).__b

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