Object type checking

using System;

public class MijnKlasse {
    public string a = "b";
    public string b => "c";
    public string c {get;set;}

    public MijnKlasse(string val="d"){
        c = val;
    }
}

public class Program
{
    public static void Main()
    {
        MijnKlasse instantie = new MijnKlasse();

        Console.WriteLine(instantie.GetType().IsClass);  // 1
        Console.WriteLine(typeof(MijnKlasse) == typeof(object));  // 0
        Console.WriteLine(instantie.GetType() == typeof(object)); // 0
    }
}