C#•16mo ago

❔ char and character size difference

Im wandering why beteween char size having 2 byte and character size having 1byte is differ. character isn't it 2byte since char data type?

using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;

namespace CS_Tutorial
{
  internal class Program
  {
    static void Main(string[] args)
    {
      string abc = "abcdefg";
      int size = Marshal.SizeOf(abc[0]);
      Console.WriteLine(size);
      Console.WriteLine(sizeof(char));
      
    }
  }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;

namespace CS_Tutorial
{
  internal class Program
  {
    static void Main(string[] args)
    {
      string abc = "abcdefg";
      int size = Marshal.SizeOf(abc[0]);
      Console.WriteLine(size);
      Console.WriteLine(sizeof(char));
      
    }
  }
}

2 Replies

sibber•16mo ago

Marshal.SozeOf returns the marshalled size and marshalled chars are convertes to utf8 (.net chars are utf16) min char size for utf8 is 1 bye, utf16 is 2 bytes

Accord•16mo ago

Was this issue resolved? If so, run /close - otherwise I will mark this as stale and this post will be archived until there is new activity.

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❔ char and character size difference