What is the difference between C and NET

Question

May I know what is the difference between C  and  NET  When I think of C   right away I would say it is a  NET language  but when I search for job posts  they require candidates to have C  and  NET experience  Can someone give me an explanation

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Here I provided you a link where explain what is C# Language and the .NET Framework Platform Architecture. Remember that C# is a general-purpose, object-oriented programming language, and it runs on the .NET Framework.

.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.

.NET Framework was developed by Microsoft that runs primarily on Microsoft Windows.

Introduction to the C# Language and the .NET Framework from Microsoft Docs

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C  is a programming language   NET is the framework that the language is built on

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C  is a programming language     Net is a framework used for building applications on Windows    Net framework is not limited to C   Different languages can target  Net framework and build applications using that framework  Examples are F  or VB Net

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C  is a language   NET is an application framework   The  NET libraries can run on the CLR and thus any language which can run on the CLR can also use the  NET libraries   If you are familiar with Java  this is similar     Java is a language built on top of the JVM    though any of the pre-assembled Java libraries can be used by another language built on top of the JVM

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C  does not have a seperate runtime library  It uses  NET as a runtime library

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C  is a programming language   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 are run   Microsoft s implementation of C  is heavily integrated with the  NET Framework so it is understandable that the two concepts would be confused   However it is important to understand that they are two very different things   Here is a class written in C    class Example       Here is a class written in C  that explicitly uses a  NET framework assembly  type  and method   class Example       static void Main                    Here we call into the  NET framework to             write to the output console         System Console Write  hello  world              As I mentioned before  it is very difficult to use Microsoft s implementation of C  without using the  NET framework as well   My first Example implementation above even uses the  NET framework  implicitly  yes  but it does use it nonetheless  because Example inherits from System Object   Also  the reason I use the phrase Microsoft s implementation of C  is because there are other implementations of C  available

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In  NET you don t find only C   You can find Visual Basic for example  If a job requires  NET knowledge  probably it need a programmer who knows the entire set of languages provided by the  NET framework

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When people talk about the   net framework  they tend to be combining two main areas - the runtime library and the virtual machine that actually runs the  net code   When you create a class library in Visual Studio in C   the DLL follows a prescribed format - very roughly  there is section that contains meta data that describes what classes are included in it and what functions they have  etc   and that describes where in the binary those objects exist  This common  net format is what allows libraries to be shared between  net languages  C   VB Net  F  and others  easily  Although much of the  net  runtime library  is written in C  now  I believe   you can imagine how many of them could have been written in unmanaged languages but arranged in this prescribed format so that they could be consumed by  net languages   The real  meat  of the library that you build consists of CIL   Common Intermediate Language   which is a bit like the assembly language of  net - again  this language is the common output of all  net languages  which is what makes  net libraries consumable by any  net language   Using the tool  ildasm exe   which is freely available in Microsoft SDKs  and might already be on your computer   you can see how C  code is converted into meta data and IL  I ve included a sample at the bottom of this answer as an example   When you run execute  net code  what is commonly happening is the  net virtual machine is reading that IL and processing it  This is the other side of  net and  again  you can likely imagine that this could easily be written in an unmanaged language - it  only  needs to read VM instructions and run them  and integrate with the garbage collector  which also need not be  net code    What I ve described is  again  roughly  what happens when you build an executable in Visual Studio  for more information  I highly recommend the book  CLR via C  by Jeffrey Richter  - it s very detailed and excellently written    However  there are times that you might write C  that will not be executed within a  net environment - for example  Bridge NET  compiles  C  code into JavaScript which is then run in the browser  the team that produce it have gone to the effort of writing versions of the  net runtime library that are written in JavaScript and so the power and flexibility of the  net library is available to the generated JavaScript   This is a perfect example of the separation between C  and  net - it s possible to write C  for different  targets   you might target the  net runtime environment  when you build an executable  or you might target the browser environment  when you use Bridge NET    A  very  simple example class   using System   namespace Example       public class Class1               public void SayHello                         Console WriteLine  Hello                        The resulting meta data and IL  retrieved via ildasm exe       Metadata version  v4 0 30319  assembly extern mscorlib      publickeytoken    B7 7A 5C 56 19 34 E0 89                               z V 4      ver 4 0 0 0    assembly Example      custom instance void  mscorlib System Runtime CompilerServices CompilationRelaxationsAttribute   ctor int32      01 00 08 00 00 00 00 00       custom instance void  mscorlib System Runtime CompilerServices RuntimeCompatibilityAttribute   ctor       01 00 01 00 54 02 16 57 72 61 70 4E 6F 6E 45 78          T  WrapNonEx                                                                                                             63 65 70 74 69 6F 6E 54 68 72 6F 77 73 01            ceptionThrows        --- The following custom attribute is added automatically  do not uncomment -------        custom instance void  mscorlib System Diagnostics DebuggableAttribute   ctor valuetype  mscorlib System Diagnostics DebuggableAttribute DebuggingModes      01 00 07 01 00 00 00 00        custom instance void  mscorlib System Reflection AssemblyTitleAttribute   ctor string      01 00 0A 54 65 73 74 49 4C 44 41 53 4D 00 00            TestILDASM      custom instance void  mscorlib System Reflection AssemblyDescriptionAttribute   ctor string      01 00 00 00 00       custom instance void  mscorlib System Reflection AssemblyConfigurationAttribute   ctor string      01 00 00 00 00       custom instance void  mscorlib System Reflection AssemblyCompanyAttribute   ctor string      01 00 00 00 00       custom instance void  mscorlib System Reflection AssemblyProductAttribute   ctor string      01 00 0A 54 65 73 74 49 4C 44 41 53 4D 00 00            TestILDASM      custom instance void  mscorlib System Reflection AssemblyCopyrightAttribute   ctor string      01 00 12 43 6F 70 79 72 69 67 68 74 20 C2 A9 20         Copyright                                                                                                       20 32 30 31 36 00 00                                  2016      custom instance void  mscorlib System Reflection AssemblyTrademarkAttribute   ctor string      01 00 00 00 00       custom instance void  mscorlib System Runtime InteropServices ComVisibleAttribute   ctor bool      01 00 00 00 00       custom instance void  mscorlib System Runtime InteropServices GuidAttribute   ctor string      01 00 24 31 39 33 32 61 32 30 65 2D 61 37 36 64         1932a20e-a76d                                                                                                   2D 34 36 33 35 2D 62 36 38 66 2D 36 63 35 66 36      -4635-b68f-6c5f6                                                                                                   32 36 36 31 36 37 62 00 00                           266167b      custom instance void  mscorlib System Reflection AssemblyFileVersionAttribute   ctor string      01 00 07 31 2E 30 2E 30 2E 30 00 00                     1 0 0 0      custom instance void  mscorlib System Runtime Versioning TargetFrameworkAttribute   ctor string      01 00 1C 2E 4E 45 54 46 72 61 6D 65 77 6F 72 6B          NETFramework                                                                                                         2C 56 65 72 73 69 6F 6E 3D 76 34 2E 35 2E 32 01       Version v4 5 2                                                                                                          00 54 0E 14 46 72 61 6D 65 77 6F 72 6B 44 69 73       T  FrameworkDis                                                                                                         70 6C 61 79 4E 61 6D 65 14 2E 4E 45 54 20 46 72      playName  NET Fr                                                                                                         61 6D 65 77 6F 72 6B 20 34 2E 35 2E 32               amework 4 5 2    hash algorithm 0x00008004    ver 1 0 0 0    module Example dll    MVID   80A91E4C-0994-4773-9B73-2C4977BB1F17   imagebase 0x10000000  file alignment 0x00000200  stackreserve 0x00100000  subsystem 0x0003          WINDOWS CUI  corflags 0x00000001        ILONLY    Image base  0x05DB0000                     CLASS MEMBERS DECLARATION                       class public auto ansi beforefieldinit Example Class1        extends  mscorlib System Object      method public hidebysig instance void            SayHello   cil managed            Code size       13  0xd       maxstack  8     IL 0000   nop     IL 0001   ldstr       Hello      IL 0006   call       void  mscorlib System Console  WriteLine string      IL 000b   nop     IL 000c   ret        end of method Class1  SayHello     method public hidebysig specialname rtspecialname            instance void   ctor   cil managed            Code size       8  0x8       maxstack  8     IL 0000   ldarg 0     IL 0001   call       instance void  mscorlib System Object   ctor       IL 0006   nop     IL 0007   ret        end of method Class1   ctor       end of class Example Class1

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In addition to what Andrew said  it is worth noting that     NET isn t just a library  but also a runtime for executing applications  The knowledge of C  implies some knowledge of  NET  because the C  object model corresponds to the  NET object model and you can do something interesting in C  just by using  NET libraries   The opposite isn t necessarily true as you can use other languages to write  NET applications    The distinction between a language  a runtime  and a library is more strict in  NET C  than for example in C    where the language specification also includes some basic library functions  The C  specification says only a very little about the environment  basically  that it should contain some types such as int  but that s more or less all

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C  is a strong Object Oriented programming language that is mostly built on the  NET framework   C  is the airplane and  NET is the runway

[c#] What is the difference between C# and .NET?

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