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- C# - Loops
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- C# - LINQ
- C# - IEnumerable vs IEnumerator
- C# - Anonymous Methods
- C# - Unsafe Codes
- C# - Tasks and Parallel Programming
- C# - Multithreading
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- C# - Lambda Expressions
- C# - Async and Await
- C# Modern Features
- C# - Tuples
- C# - Records
- C# - Pattern Matching Enhancements
- C# - Top-level Statements
- C# - Nullable Reference Types
- C# - What's New in C# 11 / 12 / 13
- C# - Global Usings
- C# - File-Scoped Namespaces
- C# Practical & Advanced Usage
- C# - JSON & XML Handling
- C# - Data Serialization & Deserialization
- C# - REST API Calls with Httpclient
- C# - Dependency Injection
- C# - Unit Testing with NUnit, xUnit & MSTest
- C# - Package Management with NuGet
C# Online Quiz
Following quiz provides Multiple Choice Questions (MCQs) related to C#. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.
Q 1 - We can use reserved keywords as identifiers in C# by prefixing them with @ character?
Answer : A
Explanation
if you want to use these keywords as identifiers, you may prefix the keyword with the @ character.
Answer : A
Explanation
Value type variables in C# are derived from the class System.ValueType.
Q 3 - Which of the following converts a type to a 16-bit integer in C#?
Answer : C
Explanation
ToInt16() method converts a type to a 16-bit integer.
Q 4 - Which of the following operator determines whether an object is of a certain type in C#?
Answer : B
Explanation
is operator determines whether an object is of a certain type.
Q 5 - Which of the following access specifier in C# allows a class to hide its member variables and member functions from other class objects and functions, except a child class within the same application?
Answer : A
Explanation
Protected Internal access specifier allows a class to hide its member variables and member functions from other class objects and functions, except a child class within the same application.
Q 6 - Which of the following is correct about null coalescing operator in C#?
A - The null coalescing operator is used with the nullable value types and reference types.
Answer : D
Explanation
All of the above statements are correct.
Q 7 - Which of the following is the default access specifier of a class member function?
Answer : A
Explanation
Default access for the class member function is Private.
Answer : A
Explanation
Function overloading is a kind of static polymorphism.
Q 9 - Which of the following preprocessor directive allows testing a symbol or symbols to see if they evaluate to true in C#?
Answer : C
Explanation
#if − It allows testing a symbol or symbols to see if they evaluate to true.
Q 10 - The System.SystemException class is the base class for all predefined system exception in C#?
Answer : A
Explanation
The System.SystemException class is the base class for all predefined system exception.