string[] @for = { "John", "James", "Joan", "Jamie" };
for (int ctr = 0; ctr < @for.Length; ctr++)
{
   Console.WriteLine($"Here is your gift, {@for[ctr]}!");
}
// The example displays the following output:
//     Here is your gift, John!
//     Here is your gift, James!
//     Here is your gift, Joan!
//     Here is your gift, Jamie!

string filename1 = @"c:\documents\files\u0066.txt";
string filename2 = "c:\\documents\\files\\u0066.txt";

Console.WriteLine(filename1);
Console.WriteLine(filename2);
// The example displays the following output:
//     c:\documents\files\u0066.txt
//     c:\documents\files\u0066.txt

using System;

[AttributeUsage(AttributeTargets.Class)]
public class Info : Attribute
{
   private string information;
   
   public Info(string info)
   {
      information = info;
   }
}

[AttributeUsage(AttributeTargets.Method)]
public class InfoAttribute : Attribute
{
   private string information;
   
   public InfoAttribute(string info)
   {
      information = info;
   }
}

[Info("A simple executable.")] // Generates compiler error CS1614. Ambiguous Info and InfoAttribute. 
// Prepend '@' to select 'Info'. Specify the full name 'InfoAttribute' to select it.
public class Example
{
   [InfoAttribute("The entry point.")]
   public static void Main()
   {
   }
}