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What is C# and .NET?

Last updated on September 15, 2018

C# is an elegant and type-safe object-oriented programming language that enables developer to build a variety of secure and robust applications on the top of .NET Framework. It was developed by the team which was led by Anders Hejlsberg. C# was first appeared on 2000 AD.

Hello World program in C#

using System;

namespace HelloWorld
    class Program
        static void Main(string[] args)
            Console.WriteLine("Hello World!");

Differences between C# and .NET

C# is a general purpose object-oriented programming language like Java, C++ etc which runs on the .NET Framework. Where as .NET is a blanket term that tends to cover both the .NET Framework(an application framework library) and the Common Language Runtime which is the runtime in which .NET assemblies run.

Remember:.NET isn’t just a library, but also a runtime for executing applications.

i.e. .NET Framework includes a large class library named Framework Class Library (FCL) and provides user interface, data access, database connectivity, cryptography, web application development, numeric algorithms and network communications.


What is the difference between C# and .NET?

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