Типы переменных

using System;
using System.Collections.Generic;
using System.Text;

namespace HELLOWORLD
{
    class Program
    {
        static void Main(string[] args)
        {

            string peremennaya = "ПРЕВЕД";
            int asd = 1;
            double zxc = 1.1;
            bool qwe = true;

            Console.WriteLine(peremennaya);
            Console.WriteLine(asd);
            Console.WriteLine(zxc);
            Console.WriteLine(qwe);

          Console.ReadLine();
           



        }
    }
}