C# Tutorial C Sharp

F# is a member of the ML language family and originated as a .NET Framework implementation of a core of the programming language OCaml.[5][6] It has also been influenced by C#,
Python, Haskell,[4] Scala and Erlang. C# is a programming language that is scalable and can be updated automatically. To update our application, we remove the old files and replace them with new ones.

The IL code and other application resources are stored in an assembly that is loaded into the CLR when the application runs. The CLR converts the IL code to native machine instructions using a just-in-time compilation process. For example, the Console class used later in the source code is defined in the System namespace, meaning it can be used without supplying the full name of the type (which includes the namespace).

  • In this first instance, they are marking the start and end of the Program class.
  • Unlike C++, C# does not support multiple inheritance, although a class can implement any number of “interfaces” (fully abstract classes).
  • C# is a popular and simple-to-learn programming language with a large community and plain syntax.
  • It was designed to be a simple, object-oriented programming language that can be used to create a wide range of applications and software.
  • While a typical programming language solves only one particular problem or applies to a specific niche,  C# is more versatile.
  • According to the 2017 survey of StackOverflow, C# is 3rd most popular language used by professional desktop and web application developers.

Behind the scenes, every C# program runs through the Microsoft .NET framework. The .NET framework is the runtime platform for C# (and other languages, such as Visual Basic). F# includes a feature for run-time meta-programming called quotations.[52] A quotation expression evaluates to an abstract syntax tree representation of the F# expressions. Similarly, definitions labelled with the [] attribute can also be accessed in their quotation form.

These documentations are continuously updated to keep up with the changes in C#. Besides web and desktop, C# is also popularly used by DevOps engineers and data scientists. A decade later, Microsoft began developing free, open-source, and cross-platform tooling for C#, namely Visual Studio Code, .NET Core, and Roslyn. Mono joined Microsoft as a project of Xamarin, a Microsoft subsidiary.

It is one of the most popular languages used for developing desktop and web applications. The CLR runs the code and provides services that enable and enhance application development and cross-platform designs. It also offers high-level support for programming languages such as C#, F# and Visual Basic. C# (pronounced “C-Sharp”) is a programming language by Microsoft.


The only implicit conversions by default are those that are considered safe, such as widening of integers. This is enforced at compile-time, during JIT, and, in some cases, at runtime. No implicit conversions occur between Booleans and integers, nor between enumeration members and integers (except for literal 0, which can be implicitly converted to any enumerated type). Any user-defined conversion must be explicitly marked as explicit or implicit, unlike C++ copy constructors and conversion operators, which are both implicit by default. C# (C-Sharp) is a programming language developed by Microsoft that runs on the .NET
Framework. F# features a legacy “ML compatibility mode” that can directly compile programs written in a large subset of OCaml roughly, with no functors, objects, polymorphic variants, or other additions.

  • The curly brackets demarcate the boundaries of a code block.
  • The latest version, C#
    11, was released in November 2022.
  • C# is a coding language that powers many desktop and web apps, such as Paint.NET or Microsoft Visual Studio.
  • C# gets its foundation from C++, has features similar to Java and applications across many areas in software development.
  • The .NET framework is the runtime platform for C# (and other languages, such as Visual Basic).

F# is developed by the F# Software Foundation,[10] Microsoft and open contributors. C# is a structured programming language that allows us to divide programs into parts using functions, making it easy to understand and modify. It is widely used as a software development methodology to create applications that are more strong and can easily scale.


Equality and inequality comparisons for value types compare the actual data values within the instances, unless the corresponding operators are overloaded. Value types are derived from System.ValueType, always have a default value, and can always be created and copied. Other examples are enum (enumerations) and struct (user defined structures). C# is a popular programming language amongst game developers, too. C# has a built-in garbage collector, it allows for using code interfaces, and is object-oriented by design. C# is a multi-purpose programming language developed by Microsoft.

It was created to use all capacities of the .NET platform. The most recent version is C# 11, which was released in November 2022, alongside .NET 7. C#’s development team is led by Anders Hejlsberg, the creator of Delphi.


Hence, it is very easy for someone with experience in these programming languages to switch to C#. If you have experience with these or other programming languages, learning C# is a piece of cake. To put it into perspective, C# is not as easy to learn as Python but not nearly as hard as C. C# (pronounced “see sharp”) is a computer programming language.

What does C# do?

Boxing is the operation of converting a value-type object into a value of a corresponding reference type.[94] Boxing in C# is implicit. The community is mature and there are many tutorials and helpful developers at your disposal. The community helps keep the open-source language in its prime by reporting or contributing changes to the language’s GitHub project. C# and all of its related tools (such as the compiler) are open source. The open-source nature of C# means anyone can help improve the language by contributing to C# GitHub repository. It is not necessary to have any prior programming experience.

There are more than 100 active contributors in the C# language design repository. Useful improvements and bug fixes are coming in all the time. These updates help the language reflect the modern-day development style and needs. There aren’t any complex or unstructured language features in C#, which makes it distinct from C, wherein you have to take care of complex memory-management in the code. C# has roots from the C family, and the language is close to other popular languages like C++ and Java.

Before diving into a new programming language, these are the things you must know. Managed memory cannot be explicitly freed; instead, it is automatically garbage collected. Garbage collection addresses the problem of memory leaks by freeing the programmer of responsibility for releasing memory that is no longer needed in most cases.

Why use C#?

The following figure shows the C# code for a simple console application as it appears in Visual Studio. The application adds together two integers that are entered by the user and then returns the total to the console. Both type categories are extensible with user-defined types. C# offers Java-like synchronized method c sharp programming language calls, via the attribute [MethodImpl(MethodImplOptions.Synchronized)], and has support for mutually-exclusive locks via the keyword lock. Microsoft first used the name C# in 1988 for a variant of the C language designed for incremental compilation.[37] That project was not completed, and the name was later reused.

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