private static void EnterGrades(Ibook book)
{
while (true)
{
Console.WriteLine("Enter a grade or 'Q' to quit ");
var input = Console.ReadLine();
if (input == "q")
{
break;
}
try
{
var grade = double.Parse(input);
book.AddGrade(grade);
}
catch (ArgumentException ex)
{
Console.WriteLine(ex.Message);
}
catch (FormatException ex)
{
Console.WriteLine(ex.Message);
}
finally
{
Console.WriteLine("**");
}
}
}
private static bool EnterGrades(Ibook book, bool done)
{
while (!done)
{
System.Console.WriteLine("Please enter a grade or 'q' to quit: ");
var input = Console.ReadLine();
if (input.ToLower() == "q")
{
done = true;
break;
}
else
{
try
{
double grade = double.Parse(input);
book.AddGrade(grade);
}
catch (ArgumentException ex)
{
Console.WriteLine(ex.Message);
}
catch (FormatException ex)
{
Console.WriteLine(ex.Message);
}
finally
{
Console.WriteLine("");
}
}
}
return(done);
}