C# Online Compiler

Compile and run C# programs with our .NET-compatible compiler. Perfect for learning .NET development, building Windows applications, and mastering object-oriented programming.

csharp Online Compiler

using System;
using System.Collections.Generic;
using System.Linq;

class Program
{
    static void Main()
    {
        Console.WriteLine("Hello, World!");
        Console.WriteLine("Welcome to C# Online Compiler");
        
        // Variables and data types
        string language = "C#";
        decimal version = 12.0m;
        bool isTypeSafe = true;
        
        Console.WriteLine($"Language: {language}");
        Console.WriteLine($"Version: {version}");
        Console.WriteLine($"Type Safe: {isTypeSafe}");
        
        // Collections and LINQ
        var numbers = new List<int> { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
        Console.WriteLine("Numbers: " + string.Join(", ", numbers));
        
        var evenNumbers = numbers.Where(n => n % 2 == 0).ToList();
        Console.WriteLine("Even numbers: " + string.Join(", ", evenNumbers));
        
        // Object-oriented features
        var person = new Person("Developer", 25);
        person.Introduce();
    }
}

class Person
{
    public string Name { get; set; }
    public int Age { get; set; }
    
    public Person(string name, int age)
    {
        Name = name;
        Age = age;
    }
    
    public void Introduce()
    {
        Console.WriteLine($"Hi, I'm {Name} and I'm {Age} years old.");
    }
}

Output

Click "Run" to execute your code and see the output here...

using System;
using System.Collections.Generic;
using System.Linq;

C# Compiler Features

.NET 8.0 framework support
LINQ and Lambda expressions
Strong typing and IntelliSense
Generic collections and types
Async/await programming

About C# Programming

C# is a modern, object-oriented programming language developed by Microsoft as part of the .NET framework. It combines the power of C++ with the simplicity of Visual Basic and is widely used for Windows applications, web development, and enterprise software.

C# features strong typing, automatic memory management, and a rich set of libraries that make it ideal for building robust, scalable applications across various platforms.

Use our C# online compiler to learn .NET development, practice object-oriented programming concepts, or test C# code snippets without installing Visual Studio.