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C# Job Interview Questions
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What is abstract class and what is it good for?
C# Mid-level -
What is covariance and contravariance?
.NET ASP.NET MVC ASP.NET WebAPI ASP.NET WebForms C# Senior -
Have you ever consumed some 3rd party API? What was it? Have you ever designed your own API? Could you describe it a bit?
.NET Architecture ASP.NET WebAPI C# Web services Mid-level -
What is serialization/deserialization? What types of serialization do you know?
.NET C# Mid-level -
What is a MultiCastDelegate? What is it good for? Give some real use case
.NET C# Senior -
Can you use multiple catch blocks in try/catch? What would be a use case for such thing?
C# Junior -
What do you know about delegates?
.NET C# Mid-level -
What is MSIL?
.NET ASP.NET MVC ASP.NET WebAPI ASP.NET WebForms C# Senior -
What is JIT?
.NET ASP.NET MVC ASP.NET WebAPI ASP.NET WebForms C# Senior -
Could you describe how is memory management done in .NET?
.NET ASP.NET MVC ASP.NET WebAPI ASP.NET WebForms C# Senior -
Write a code that takes an integer number and outputs its digits to the console.
.NET C# Code challenge Mid-level -
What is variable capturing good for and how does it work?
.NET C# Senior -
What will be the output of the following code that is using delegates?
.NET C# Code challenge Senior -
Could you describe what generic type inference is and what will be the output of this program?
.NET C# Code challenge Senior -
What is the difference between IEnumerable and IQueryable?
.NET C# Entity Framework LINQ Performance Senior -
What is boxing and unboxing?
.NET C# Performance Junior -
Do you use generics? What are they good for? And what are constraints and why to use them?
.NET C# Performance Mid-level -
Could you explain what the following LINQ methods OrderBy, Where and Single do and what will be the output of the code?
.NET C# LINQ Junior -
Could you explain on the following example what a deferred execution is and what materialization is? What will the output be?
.NET C# LINQ Performance Mid-level -
What array initialization syntaxes do you know?
.NET C# Mid-level -
How does the .Max(...) work in LINQ? What will be the result of the following code?
.NET C# LINQ Junior -
What is a difference between partial class and partial method and what are they good for?
.NET C# Senior -
What is a data type of the following variable? var number = 1.0;
.NET C# Senior
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