C# - Properties MCQ Questions and Answers

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Properties in C# provide a flexible mechanism for accessing and modifying class data while maintaining encapsulation. This section of C# properties MCQ questions with answers focuses on getter and setter methods, auto-implemented properties, and accessors. Popular among TCS, Capgemini, and Cognizant interview patterns, these C programming MCQs (C#-focused) help you understand how to manage data flow efficiently within object-oriented applications. Each question includes detailed reasoning to strengthen conceptual clarity and technical coding accuracy.

C# - Properties MCQ

Showing 10 of 30 questions

21. What is an abstract property?

  • A property that is automatically implemented
  • A property declared without implementation in abstract class
  • A static property
  • A property with private setter
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22. Which property validation occurs in the set accessor?

  • Input validation
  • Output formatting
  • Memory allocation
  • Exception handling
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23. What is the purpose of interface properties?

  • To provide default implementation
  • To define property contracts for implementation
  • To create auto-implemented properties
  • To make properties static
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24. Which property type is initialized only once?

  • Read-only property
  • Write-only property
  • Init-only property
  • Static property
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25. What happens if a property has only a private set accessor?

  • The property becomes write-only
  • The property can be set only within the class
  • The property becomes read-only externally
  • The property cannot be accessed at all
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26. Which property feature enables data binding in WPF?

  • Auto-implementation
  • Change notifications
  • Static modifier
  • Private setters
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27. What is a virtual property in C#?

  • A property that must be implemented
  • A property that can be overridden in derived classes
  • A static property
  • An abstract property
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28. Which property type cannot be overridden in derived classes?

  • Virtual property
  • Abstract property
  • Sealed property
  • Override property
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29. What is the purpose of expression-bodied properties?

  • To make properties faster
  • To provide concise syntax for simple properties
  • To make properties thread-safe
  • To enable property inheritance
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30. Which property characteristic enables LINQ queries?

  • Property setters
  • Property getters
  • Property accessibility
  • Property values and types
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