public GradeStatistics ComputeStatistics()
{
GradeStatistics stats = new GradeStatistics();
stats.HighestGrade = 0;
float sum = 0;
foreach (float grade in grades)
{
stats.HighestGrade = Math.Max(grade, stats.HighestGrade);
stats.LowestGrade = Math.Min(grade, stats.LowestGrade);
sum += grade;
}
stats.AverageGrade = sum / grades.Count; //Divides the sum of grades by the number of grades stored.
return(stats);
}
public override GradeStatistics ComuteStatistics()
{
Console.WriteLine("GradeBook Compute");
GradeStatistics stats = new GradeStatistics();
float sum = 0f;
foreach (float grade in _grades)
{
stats.HighestGrade = Math.Max(grade, stats.HighestGrade);
stats.LowestGrade = Math.Min(grade, stats.LowestGrade);
//if(grade > stats.HighestGrade)
//{
// stats.HighestGrade = grade;
//}
sum += grade;
}
stats.AverageGrade = sum / _grades.Count;
return(stats);
}
static void Main(string[] args)
{
SpeechSynthesizer synth = new SpeechSynthesizer();
synth.Speak("Hello this is the gradebook. ");
GradeBook book = new GradeBook();
book.AddGrade(91);
book.AddGrade(89.5f);
book.AddGrade(75);
GradeStatistics stats = book.ComputeStatistics();
WriteResult("Average", stats.AverageGrade);
WriteResult("Highest", (int)stats.HighestGrade);
WriteResult("Lowest", (int)stats.LowestGrade);
GradeBook book2 = book;
book2.AddGrade(75);
}
//static void GiveBookAName(ref GradeBook book)
//{
// //book = new GradeBook();
// //book.Name = "The New Grade book ";
//}
//static void IncrementNumber(ref int number)
//{
// number = 42;
//}
static void Main(string[] args)
{
//Arrays();
//SpechSynthesizer
//Immutable();
//NewMethod();
//string name1 = "Scott";
//string name2 = "scott";
//bool areEqual = name1.Equals(name2, StringComparison.CurrentCultureIgnoreCase);
//Console.WriteLine(areEqual);
//ThrowAwayGradeBook book = new ThrowAwayGradeBook("Scott's Book");
//GradeTracker book = CreateGradeBook();
IGradeTracker book = CreateGradeBook();
try
{
using (FileStream stream = File.Open("grades.txt", FileMode.Open))
using (StreamReader reader = new StreamReader(stream))
{
string line = reader.ReadLine();
while (line != null)
{
float grade = float.Parse(line);
book.AddGrade(grade);
line = reader.ReadLine();
}
}
}
//try
//{
// string[] lines = File.ReadAllLines("grades.txt");
// foreach (string line in lines)
// {
// float grade = float.Parse(line);
// book.AddGrade(grade);
// }
//}
catch (FileNotFoundException ex)
{
Console.WriteLine("Could not locate the file grades.txt");
return;
}
catch (UnauthorizedAccessException ex)
{
Console.WriteLine("No Access");
return;
}
//finally
//{
// if (reader != null)
// {
// reader.Close();
// }
// if(stream != null)
// {
// stream.Close();
// }
//}
//book.AddGrade(91f);
//book.AddGrade(89.5f);
//book.AddGrade(75f);
//book.DoSomething();
//book.WriteGuides(Console.Out);
foreach (float grade in book)
{
Console.WriteLine(grade);
}
try
{
// Console.WriteLine("Please enter a name for the book");
// book.Name = Console.ReadLine();
}
catch (ArgumentException)
{
Console.WriteLine("Invalid Name");
}
GradeStatistics stats = book.ComuteStatistics();
Console.WriteLine(stats.AverageGrade);
Console.WriteLine(stats.LowestGrade);
Console.WriteLine(stats.HighestGrade);
Console.WriteLine("{0} {1}", stats.LetterGrade, stats.Description);
//WriteNames("Scott","Allen","Alex","joy");
//book.Name = "";
//book.NameChanged += OnNameChanged;//multi cast deligate
//book.NameChanged += OnNameChanged;
//book.NameChanged += OnNameChanged2;
//book.NameChanged -= OnNameChanged;
//book.NameChanged = new NamedChangedDeligate(OnNameChanged2);
//book.NameChanged = new NamedChangedDeligate(OnNameChanged);
//book.Name = "Allen's Book";
//WriteNames(book.Name);
////int number = 20;
//WriteBytes(number);
//WriteBytes(stats.AverageGrade);
}
