private static void SaveGrades(GradeTracker book)
{
using (StreamWriter outputFile = File.CreateText("grades.txt"))
{
book.WriteGrades(outputFile);
}
}
private static void WriteResults(GradeTracker book)
{
GradeStatistics stats = book.ComputeStatistics();
WriteResult(stats.LetterDescription, stats.LetterGrade);
WriteResult("Average Grade", stats.AverageGrade);
WriteResult("High Grade", stats.MaximumGrade);
WriteResult("Low Grade", stats.MinimumGrade);
}
static void Main(string[] args)
{
GradeTracker book = CreateGradeBook();
book.NameChanged += OnNameChanged;
GetBookName(book);
AddGrades(book);
SaveGrades(book);
WriteResults(book);
}
private static void GetBookName(GradeTracker book)
{
try
{
Console.WriteLine("Enter a name:");
book.Name = Console.ReadLine();
}
catch (ArgumentException ex)
{
Console.WriteLine(ex.Message);
}
}
private static void AddGrades(GradeTracker book)
{
book.AddGrade(91);
book.AddGrade(89.5f);
book.AddGrade(75);
}
