public class Example
{
public static void Main()
{
Console.Write("<< Enumerable.SingleOrDefault 출력 예제 >> \n");
string[] codes = { "codeA" };
string code = codes.SingleOrDefault();
Console.WriteLine(code);
Console.WriteLine(System.Environment.NewLine);
Console.WriteLine("Press any key to exit");
Console.ReadKey();
}
}