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C# class INTRODUCTION
In this session we will learn
• Introduction of C#
• Reasons make C# a widely used professional language
• What is Namespace?
• Namespace Declaration
• Purpose of Main method
What is C#?
• C# is a simple, modern, general-purpose, object-oriented programming language
• Reasons make C# a widely used professional language –
• It is a modern, general-purpose programming language
• It is object oriented.
• It is component oriented.
• It is easy to learn.
• It is a structured language.
• It produces efficient programs.
• It can be compiled on a variety of computer platforms.
• It is a part of .NET Framework.
What is Namespace?
• A namespace is used to organize your code and is a collection of classes, interfaces, structs,
Enums and delegates.
• Namespace Declaration:
• The namespace declaration. using System, indicates that you are using The System namespace.
Example:
//Namespace Declaration
using System;
Purpose of Main method
• Main method is the entry point into your application.
//Namespace Declaration
using System;
namespace Introduction
{
class Program
{
static void Main(string[]args)
{
//C# Tutorial - Introduction
//Write toconsole
Console.WriteLine("Welcome toC#Training!");
Main1();
}
static void Main1()
{
Console.WriteLine("Welcome toC#Training 1!");
}
}
}
C# Class Introduction.pptx

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C# Class Introduction.pptx

  • 2. In this session we will learn • Introduction of C# • Reasons make C# a widely used professional language • What is Namespace? • Namespace Declaration • Purpose of Main method
  • 3. What is C#? • C# is a simple, modern, general-purpose, object-oriented programming language • Reasons make C# a widely used professional language – • It is a modern, general-purpose programming language • It is object oriented. • It is component oriented. • It is easy to learn. • It is a structured language. • It produces efficient programs. • It can be compiled on a variety of computer platforms. • It is a part of .NET Framework.
  • 4. What is Namespace? • A namespace is used to organize your code and is a collection of classes, interfaces, structs, Enums and delegates. • Namespace Declaration: • The namespace declaration. using System, indicates that you are using The System namespace. Example: //Namespace Declaration using System;
  • 5. Purpose of Main method • Main method is the entry point into your application. //Namespace Declaration using System; namespace Introduction { class Program { static void Main(string[]args) { //C# Tutorial - Introduction //Write toconsole Console.WriteLine("Welcome toC#Training!"); Main1(); } static void Main1() { Console.WriteLine("Welcome toC#Training 1!"); } } }