Variabel, Konstanta, dan Tipe Data pada c#

♫ VARIABEL, KONSTANTA DAN TIPE DATA

using System;

namespace variabel

{

          class Class1

          {

                   static void Main(string[] args)

                   {

                             int a,b;

                             string c;

                             float d;

                             a=10;

                             b=20;

                             c="dian";

                             d=3.14f;

                             Console.WriteLine("{0}",a);

                             Console.WriteLine("{0}",b);

                             Console.WriteLine("{0}",c);

                             Console.WriteLine("{0}",d);

                             Console.ReadLine();

                   }

          }

}