1.1. C# introduction

C# is a simple, modern, general-purpose, object-oriented programming language developed by Microsoft and approved by Ecma and ISO.

C# was created by Anders Hejlsberg and His team developed it durinthe development of the .Net framework.

C# is designed for the common language infrastructure (CLI). CLI consists of executable code and a runtime environment that allows the use of a variety of high-level languages on different computer platforms and architectures.

This tutorial will teach you the basics of C # programming, as well as various advanced concepts related to the C # programming language.

This tutorial helps beginners understand the basics of C # programming. After completing this tutorial, you will reach an intermediate level of C# programming.

C# programming is based on the C and C++ programming languages, so if you have a basic understanding of C and C++ programming, it will help you learn the C# programming language.

Example

using System; namespace HelloWorldApplication { /* Name of the class: HelloWorld */ class HelloWorld { /* main function */ static void Main(string[] args) { /* the first c# programe. */ Console.WriteLine("Hello World!"); Console.ReadKey(); } } } 

Here are the reasons why C# has become a widely used professional language:

• A modern, universal programming language.

• Object-oriented.

• Component oriented.

• Easy to learn.

• Structured language.

• It produces efficient programs.

• It can be compiled on multiple computer platforms.

• .Net part of the framework.