What Is C#? Definition, Uses, Syntax, Tools

What Is C#? Definition, Uses, Syntax, Tools

Instances of value types neither have referential identity nor referential comparison semantics. 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# has also made a consistent appearance in the top ten programming languages in the TIOBE Index, a report that pulls its data from a compilation of popular search engines including Google, YouTube and Bing.
  • Regardless of the platform, you can still use the C# programming language.
  • The community helps keep the open-source language in its prime by reporting or contributing changes to the language’s GitHub project.
  • To declare a variable in C#, you need to specify its type and name.

Evaluates to true if either condition1 OR condition2 is true. If condition1 is true, condition 2 and 3 will NOT be checked. Our C# tutorial is designed to help beginners and professionals. If you’re not a Syncfusion user yet, you can download a free 30-day trial here. The following code example illustrates how to protect scenarios in an Excel document. The following code example illustrates how to apply scenarios in a worksheet and resave the results in separate Excel documents.


C# is completely object-oriented, which is a rare characteristic for a programming language. Many of the most common languages incorporate object orientation to an extent, but very few have accomplished the magnitude of C# without losing favor from the people. In the world of coding and programming, the importance of a helpful community on which you can depend simply can’t be overstated. Programming languages aren’t a platform or service with a dedicated help line or convenient IT support. Programmers must rely on the support of others in the same field who have experienced the same roadblocks and frustrations.

what is C#

C# was created as an object-oriented programming (OOP) language. Other programming languages include object-oriented features, but very few are fully object-oriented. In my book you can learn how C# compares to some of these other programming languages. My book also covers what it means to use an object-oriented language as well as the details of doing object-oriented programming with C#.

Learn More C#

These code libraries let developers use existing solutions instead of spending time reinventing the wheel. Well, there are two different questions here, but to answer #2, the logical OR as found in most programming languages is what you mean by and/or, I think. So, there is no question why it is popular in building Windows applications. It makes your development process smooth, and functionalities such as C# garbage collection performs excellently. These are just a few reasons that make C# the best programming language when it comes to web applications. It provides a broad spectrum of components covering business-oriented to system-oriented projects.

what is C#

The following code example illustrates how to hide a scenario in an Excel document. What-if analysis in Excel is a powerful tool for individuals and organizations to use to explore various scenarios, predict the impact of choices, and make decisions confidently. It allows you to create scenarios with different sets of values for the same cells in a worksheet. With this feature, a user can view multiple forecasts of data in a single Excel document. For senior developers working on old projects written in C#, you’ll be pleased to find that your stack has remained the same.

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It also offers high-level support for programming languages such as C#, F# and Visual Basic. This declares the class member method where the program begins execution. The static keyword makes the method accessible without an instance of Program. Each console application’s Main entry point must be declared static otherwise the program would require an c# for web development instance of Program, but any instance would require a program. To avoid that irresolvable circular dependency, C# compilers processing console applications (like that above) report an error if there is no static Main method. While a typical programming language solves only one particular problem or applies to a specific niche,  C# is more versatile.

C# was intended to be a simple, modern and general-purpose programming language that could be used to develop software components for a distributed environment. The newly released C# emphasized source code portability with support for both hosted and embedded systems. The suffix has also been used for libraries, such as Gtk# (a .NET wrapper for GTK and other GNOME libraries) and Cocoa# (a wrapper for Cocoa).

C# for Games

As your conditions can be quite expensive functions, you can get a good performance boost by using them. Before learning C#, you must have the basic knowledge of C Programming Language. CLI is a specification that describes executable code and runtime environment. Our C# tutorial is designed for beginners and professionals. In this blog, we’ve explored the new C# what-if analysis scenario manager feature in the Syncfusion Excel Library.

The language helps businesses scale quickly by shipping software rapidly using a single programming language. You might start your business by making a website or a console app but when it’s time to go mobile or incorporate AI into your business, you can still use C# instead of adapting to new languages. To learn C#, it’s best that you have at least a basic understanding of writing code, even if you have yet to build your first program or application. Perhaps the greatest advantage is how much time you can save by using C# instead of a different programming language. Being that C# is statically typed and easy to read, users can expect to spend less time scouring their scripts for tiny errors that disrupt the function of the application.

C# is fast and open source

Microsoft introduced C# along with .NET Framework and Visual Studio, both of which were closed-source. Four years later, in 2004, a free and open-source project called Mono began, providing a cross-platform compiler and runtime environment for the C# programming language. Class and Object are the basic concepts of Object-Oriented Programming which revolve around the real-life entities. A class is a user-defined blueprint or prototype from which objects are created. Basically, a class combines the fields and methods(member function which defines actions) into a single unit.

what is C#

A programming language’s reference is always the best place to look for the definitions of operators. C# is a versatile programming language primarily used for developing Windows applications, web services, and games within the .NET framework. The .NET framework comes with base-class libraries that consist of reusable code. The functionality that comes with the .NET framework varies from something basic, such as string manipulation or XML parsing, to more complex networking protocols, such as SOAP.

C# Abstraction

Regardless of the platform, you can still use the C# programming language. You can build dynamic websites and web apps using the .NET platform or other open-source platforms. As indie game development continues to rise and more and more websites are built on the ASP.NET framework, experts predict there will be no shortage of career opportunities for C#-savvy developers. Whether you want to design websites, build desktop applications, or create addicting games, you won’t have a difficult time finding the perfect job that lists C# as a requirement for the position. C# is often used to develop professional, dynamic websites on the .NET platform, or open-source software.

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