Learn C# Programming
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Hello World Program in C#
Let's create your first C# program! The "Hello World" program is a simple program that displays "Hello, World!" on the screen.
Basic Hello World Program
using System;
class Program
{
static void Main()
{
Console.WriteLine("Hello, World!");
}
}Code Explanation
using System;
This line tells the compiler to include the System namespace, which contains basic classes like Console.
class Program
Defines a class named "Program". In C#, everything must be inside a class.
static void Main()
This is the entry point of the program. When you run a C# program, it starts executing from the Main method.
Console.WriteLine("Hello, World!");
This line prints "Hello, World!" to the console and moves to the next line.
Alternative Ways to Write Hello World
Using Console.Write (without new line)
using System;
class Program
{
static void Main()
{
Console.Write("Hello, World!");
}
}With Main method parameters
using System;
class Program
{
static void Main(string[] args)
{
Console.WriteLine("Hello, World!");
Console.WriteLine("Number of arguments: " + args.Length);
}
}Pro Tip
In C# 9.0 and later, you can use top-level programs to write even simpler code:
Console.WriteLine("Hello, World!");
Frequently Asked Questions
Master C# Programming with Our Comprehensive Tutorial
Our C# programming tutorial is designed to take you from a complete beginner to an advanced developer. Whether you're looking to build web applications, desktop software, or mobile apps, C# provides the foundation you need for modern software development.
Start with the basics like variables, data types, and control structures, then progress to advanced topics including object-oriented programming, LINQ, async programming, and more. Each lesson includes practical examples and exercises to reinforce your learning.
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