C Sharp Inheritance Questions and Answers

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C# Inheritance questions with answers are key for understanding object-oriented programming concepts in C#. Inheritance allows one class to acquire properties and methods of another, promoting code reusability and modular design. These programming questions and answers with explanations are often featured in technical interview Q&A for companies like Microsoft, Cognizant, and TCS. Practicing C# MCQs on inheritance helps learners grasp concepts like base and derived classes, access modifiers, method overriding, and polymorphism. Regular practice using C# programming interview questions with answers ensures strong command over object-oriented design principles for both academic and professional success.

C Sharp Inheritance

Showing 10 of 29 questions

21. What is the purpose of the "new" keyword when used with inheritance?

  • To override a base method
  • To hide a base method
  • To create a new instance
  • To call base class method
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22. Which type of class can have abstract methods?

  • Sealed class
  • Static class
  • Abstract class
  • Any class
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23. What is polymorphism in the context of inheritance?

  • Multiple methods with same name
  • Ability to take many forms
  • Hiding implementation details
  • Creating multiple classes
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24. Which method is called when an object is created in C#?

  • Main()
  • Constructor
  • Destructor
  • Initialize()
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25. What is the default access modifier for class members in C#?

  • public
  • private
  • internal
  • protected
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26. Which inheritance type allows a class to inherit from multiple interfaces?

  • Single inheritance
  • Multiple inheritance
  • Multilevel inheritance
  • Hierarchical inheritance
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27. What is the purpose of the "this" keyword in inheritance?

  • Call base class constructor
  • Refer to current instance
  • Create new object
  • Call static methods
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28. Which concept allows a derived class to have multiple base classes through different paths?

  • Polymorphism
  • Encapsulation
  • Diamond problem
  • Abstraction
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29. What is method overriding in inheritance?

  • Creating new method with same name
  • Hiding base class method
  • Providing specific implementation in derived class
  • Making method private
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