private static void SaveGrades(IGradesTracker book)
{
using (StreamWriter outputFile = File.CreateText("grades.txt"))
{
book.WriteGrades(outputFile);
}
}
private static void SaveGrades(IGradesTracker book)
{
string path = @"D:\output_file\grades.txt"; //set path
using (StreamWriter outputFile = File.CreateText(path))
{
book.WriteGrades(outputFile);
}
}
static void Main(string[] args)
{
IGradesTracker book = CreateGradeBook();
// GetBookName(book);
AddGrades(book);
SaveGrades(book);
WriteResults(book);
}
private static void WriteResults(IGradesTracker book)
{
GradeStatistics stats = book.ComputeStatistics();
WriteResult("Average", stats.AverageGrade);
WriteResult("Highest", stats.HighestGrade);
WriteResult("Lowest", stats.LowestGrade);
WriteResult("Average grade is " + stats.Description, stats.LetterGrade);
Console.ReadKey();
}
private static void GetBookName(IGradesTracker book)
{
try
{
Console.WriteLine("Enter a name");
book.Name = Console.ReadLine();
}
catch (ArgumentException ex)
{
Console.WriteLine(ex.Message);
}
}
private static void WriteResults(IGradesTracker book)
{
GradeStatistics stats = book.ComputeStatistics();
foreach (float grade in book)
{
Console.WriteLine(grade);
}
WriteResult("Average", stats.AverageGrade);
WriteResult("Highest", stats.HighestGrade);
WriteResult("Lowest", stats.LowestGrade);
WriteResult(stats.Description, stats.LetterGrade);
}
private static void GetBookName(IGradesTracker book)
{
try
{
Console.WriteLine("Enter the name");
book.Name = Console.ReadLine();
}
catch (ArgumentException ex)
{
Console.WriteLine(ex.Message);
}
//catch (NullReferenceException ex)
//{
// Console.WriteLine("Oops, something went wrong...");
//}
}
private static void AddGrades(IGradesTracker book)
{
book.AddGrade(91);
book.AddGrade(89.5f);
book.AddGrade(75);
}
private static void AddGrades(IGradesTracker book)
{
book.AddGrade(91);
book.AddGrade(89.5f);
book.AddGrade(75);
}
