System C# by API

using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Text;
public class MainClass
{
    public static void Main()
    {
        string s = "A string";
        Type t = s.GetType();
        Console.WriteLine(t.Name);              
        Console.WriteLine(t.Namespace);         
        Console.WriteLine(t.IsPublic);          
        Console.WriteLine(t == typeof(string)); 
    }
}