using Adapter.Optimized;

using Adapter.RealWorld;

using Adapter.Structural;

var app = string.Empty;

var validApps = new List<string> { "s", "r", "o" };

while (true)

{

Console.Write("Enter the application [Structural (s), Real World (r), Optimized (o)] :");

app = Console.ReadLine();

app = app?.ToLower() ?? string.Empty;

if (app == "q")

return;

else if (!validApps.Contains(app))

Console.WriteLine("Invalid application selected.");

else

break;

}

switch (app)

{

case "s":

StructuralCode.Run();

break;

case "r":

RealWorldCode.Run();

break;

case "o":

OptimizedCode.Run();

break;

}