Showing posts with label C# Interview questions. Show all posts
Showing posts with label C# Interview questions. Show all posts

C# basics

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1) Single inheritance means that a C# class can inherit from only one base class. 2) C# enables you to group your classes into a collection ...

what is the difference between Convert.toString and .toString ()?

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Just to give an understanding of what the above question means see the below code. int i =0; MessageBox.Show(i.ToString()); MessageBox.Show(...
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How to prevent my .NET DLL to be decompiled?

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By design, .NET embeds rich Meta data inside the executable code using MSIL. Any one can easily decompile your DLL back using tools like ILD...

What is CODE Access security?

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CAS is part of .NET security model that determines whether a piece of code is allowed to run and what resources it can use while running. Ex...

what is the difference between System exceptions and Application

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All exception derives from Exception Base class. Exceptions can be generated programmatically or can be generated by system. Application Exc...

What is the difference between VB.NET and C#?

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Well this is the most debatable issue in .NET community and people treat languages like religion. It is a subjective matter which language i...

What is concept of Boxing and Unboxing ?

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Boxing and unboxing act like bridges between value type and reference types. When we convert value type to a reference type it’s termed as b...

What are Value types and Reference types?

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Value types directly contain their data that are either allocated on the stack or allocated in-line in a structure. So value types are actua...

(A) What are different types of JIT?

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JIT compiler is a part of the runtime execution environment. In Microsoft .NET there are three types of JIT compilers: • Pre-JIT: - Pre-JIT...

What is reflection?

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All .NET assemblies have metadata information stored about the types defined in modules. This metadata information can be accessed by mechan...

Most common C# Interview questions

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1. What’s the advantage of using System.Text.StringBuilder over System.String? Can you store multiple data types in System.Array? No. 2. Wha...