Error 2 Invalid expression term ')'

I'm new to c# more experienced with c++ so heres my code Did i forget to add something i don't think i did if i did id thank for a response! :)

Note:I have read the similar questions but did not understand the answers well the program is personal venture into a new language.

Code:

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

namespace Input_Program
{
    class Program
    {
       private static void Main()
        {

           Console.WriteLine("Welcome to my bool program!");
           Console.WriteLine("Inp开发者_开发知识库ut a NON capital y or n when told to.");


            char Y = 'y';
            char N = 'n';

            if()
            {}
        }
    }
}

Thanks for your answers!

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You can't have an empty if(). The compiler tells you it expects an expression before the closing paren.

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The error is pointing to the empty parens in the "if () {}" --there must be a boolean expression inside the parentheses.