private static void AddGrades(IGradeBook book)
{
book.AddGrade(92);
book.AddGrade(93.4f);
book.AddGrade(89.3f);
book.AddGrade(78.7f);
}
private static void SaveGrades(IGradeBook book)
{
using (StreamWriter file = File.CreateText($"{book.Name}-grades.txt"))
{
book.WriteGrades(file);
}
}
static void Main(string[] args)
{
IGradeBook book = CreateBook();
AddGrades(book);
WriteStatistics(book);
SaveGrades(book);
}
private static void WriteStatistics(IGradeBook book)
{
GradeStatistics stats = book.ComputeStatistics();
WriteResult("Highest", stats.HighestGrade);
WriteResult("Lowest", stats.LowestGrade);
WriteResult("Average", stats.AverageGrade);
Console.WriteLine($"Your overall letter grade is {stats.LetterGrade}");
}
private static void EnterGrades(IGradeBook book)
{
Console.WriteLine("Please Enter a grade or press q if you want to quit.");
string input = Console.ReadLine();
while (input != "q")
{
try
{
book.AddGrade(Double.Parse(input));
}
catch (Exception ex)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine($"Error!! {ex.Message}");
Console.ResetColor();
}
Console.WriteLine("Please Enter another grade or press q if you want to quit.");
input = Console.ReadLine();
}
}
