Csharp/CSharp Tutorial/I18N Internationalization/Encoding UTF8

Convert the UTF-16 encoded source string to UTF-8

using System;
using System.IO;
using System.Text;
class MainClass
{
    public static void Main() 
    {        
        using (StreamWriter output = new StreamWriter("output.txt")) 
        {
            string srcString = "Area = \u03A0r^2";
            byte[] utf8String = Encoding.UTF8.GetBytes(srcString);
            output.WriteLine("UTF-8  Bytes: {0}", BitConverter.ToString(utf8String));
        }
    }
}

Encodings: Encoding.UTF8

using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Reflection;
using System.Resources;
using System.Text;
using System.Threading;
using System.Globalization;
public class MainClass
{
    public static void Main()
    {
        Encoding utf8 = Encoding.UTF8;
        Console.WriteLine(utf8);
    }
}

System.Text.UTF8Encoding

Write the UTF-8 encoded byte arrays

using System;
using System.IO;
using System.Text;
class MainClass
{
    public static void Main() 
    {        
        using (StreamWriter output = new StreamWriter("output.txt")) 
        {
            string srcString = "Area = \u03A0r^2";
            byte[] utf8String = Encoding.UTF8.GetBytes(srcString);
            output.WriteLine("UTF-8  Bytes: {0}", BitConverter.ToString(utf8String));
        }
    }
}