Introduction to C#
Welcome to the introduction to C# tutorials. These start with interactive lessons that you can run in your browser.
The first lessons explain C# concepts using small snippets of code. You'll learn the basics of C# syntax and how to work with data types like strings, numbers, and booleans. It's all interactive, and you'll be writing and running code within minutes. These first lessons assume no prior knowledge of programming or the C# language.
All the introductory tutorials following the Hello World lesson are available using the online browser experience or in your own local development environment. At the end of each tutorial, you decide if you want to continue with the next lesson online or on your own machine. There are links to help you set up your environment and continue with the next tutorial on your machine.
In the Hello world tutorial, you'll create the most basic
C# program. You'll explore the
string type and how to work with text.
In the Numbers in C# tutorial, you'll learn how computers store numbers and how to perform calculations with different numeric types. You'll learn the basics of rounding, and how to perform mathematical calculations using C#. This tutorial is also available to run locally on your machine.
This tutorial assumes that you have finished the Hello world lesson.
The Branches and loops tutorial teaches the basics of selecting different paths of code execution based on the values stored in variables. You'll learn the basics of control flow, which is the basis of how programs make decisions and choose different actions. This tutorial is also available to run locally on your machine.
The List collection lesson gives you a tour of the List collection type that stores sequences of data. You'll learn how to add and remove items, search for items, and sort the lists. You'll explore different kinds of lists. This tutorial is also available to run locally on your machine.
This tutorial assumes that you have finished the lessons listed above.
This final tutorial is only available to run on your machine, using your own local development environment and .NET Core. You'll build a console application and see the basic object-oriented features that are part of the C# language.
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