C# Attributes Questions with Answers | Page 3

C# Attributes programming questions and answers help developers understand metadata and reflection in .NET applications. Attributes provide declarative information about program elements, influencing how the runtime behaves. These concepts are often asked in interviews by companies like HCL, Infosys, and TCS to assess deep understanding of advanced C# features. Practicing programming interview questions with answers on attributes helps candidates learn how to create custom attributes, retrieve metadata using reflection, and apply predefined ones like [Obsolete] or [Serializable]. Strengthening this topic ensures you can confidently tackle conceptual and coding questions in software development interviews.

Focus on attributes and modifiers in C programming language. Also try C functions and subroutines and C datatypes

Showing 10 of 38 questions

Per page:

Q21

Which attribute indicates that a class should not be inherited?

A NonInheritable
B Final
C Explanation: sealed prevents a class from being inherited, though it is not an attribute.
D Obsolete

Answer: Option C

Explanation: sealed prevents a class from being inherited, though it is not an attribute.

Q22

Which attribute marks a program element as outdated?

A Deprecated
B Old
C Explanation: Obsolete warns that a member should no longer be used.
D Legacy

Answer: Option C

Explanation: Obsolete warns that a member should no longer be used.

Q23

What happens when an Obsolete attribute is marked as error = true?

A Warning is ignored
B Program fails at runtime
C Explanation: Setting error = true causes a compilation error when used.
D Attribute is skipped

Answer: Option C

Explanation: Setting error = true causes a compilation error when used.

Q24

Which attribute hides a public member from IntelliSense?

A Hidden
B Explanation: EditorBrowsable controls visibility in IntelliSense.
C NonBrowsable
D Ignore

Answer: Option B

Explanation: EditorBrowsable controls visibility in IntelliSense.

Q25

Which attribute specifies a method that should run before a test?

A PreTest
B TestInit
C Explanation: TestInitialize is used in unit testing frameworks.
D Setup

Answer: Option C

Explanation: TestInitialize is used in unit testing frameworks.

Q26

Which reflection class is commonly used to read attributes at runtime?

A AttributeReader
B Explanation: The Type class is used with reflection to retrieve attributes.
C AssemblyInfo
D MetaData

Answer: Option B

Explanation: The Type class is used with reflection to retrieve attributes.

Q27

Which method retrieves attributes applied to a program element?

A GetAttribute()
B ReadAttributes()
C Explanation: GetCustomAttributes() is used to obtain attribute instances.
D FetchAttributes()

Answer: Option C

Explanation: GetCustomAttributes() is used to obtain attribute instances.

Q28

Which attribute indicates a method does not return a value?

A Void
B NoReturn
C Explanation: DoesNotReturn informs the compiler and analyzers.
D Returnless

Answer: Option C

Explanation: DoesNotReturn informs the compiler and analyzers.

Q29

Which attribute is applied at the assembly level?

A Explanation: AssemblyTitle provides metadata about the assembly.
B AssemblyUsage
C AssemblyInfo
D AssemblyScope

Answer: Option A

Explanation: AssemblyTitle provides metadata about the assembly.

Q30

Which attribute specifies the version of an assembly?

A AssemblyBuild
B AssemblyInfo
C Explanation: AssemblyVersion defines the assembly version.
D AssemblyLevel

Answer: Option C

Explanation: AssemblyVersion defines the assembly version.

📚 More from C# Programming

← All Topics 🎯 Practice ⏱️ Take Test 🔍 Search

Back to C# Programming

C# - Attributes Questions and Answers

📚 More from C# Programming

C# Programming

Other Subjects

C# - Attributes Questions and Answers

📚 More from C# Programming

C# Programming

Other Subjects

Report a Problem