C# - Properties MCQ Questions and Answers
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
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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
22. Which property validation occurs in the set accessor?
- Input validation
- Output formatting
- Memory allocation
- Exception handling
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
24. Which property type is initialized only once?
- Read-only property
- Write-only property
- Init-only property
- Static property
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
26. Which property feature enables data binding in WPF?
- Auto-implementation
- Change notifications
- Static modifier
- Private setters
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
28. Which property type cannot be overridden in derived classes?
- Virtual property
- Abstract property
- Sealed property
- Override property
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
30. Which property characteristic enables LINQ queries?
- Property setters
- Property getters
- Property accessibility
- Property values and types