P\enggunaan IF Pada C#

♫  IF…

using System;

namespace tgs3

{

          class Class1

          {

                   static void Main(string[ ] args)

                   {

                             int a;

                             string b,c;

                             b="grade A";

                             c="grade B";

                             Console.Write("Masukkan nilai Anda :");

                             a=Convert.ToInt32(Console.ReadLine());

                             Console.WriteLine("\n\n");

                             if(a>=85 && a<=100)

                             {

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

                             }

                             if(a<85 && a>=70)

                             {

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

                             }

                             if(a<70 && a>=50)

                             {

                                      Console.WriteLine("grade C");

                             }

                             if(a<50 && a>=0)

                             {

                                      Console.WriteLine("grade D");

                             }

                             if(a<0 || a>100)

                             {

                                      Console.WriteLine("Nilai Salah...");

                             }

                             Console.ReadLine();

                   }

          }

}