public override Statistcs GetStatistics()
{
var result = new Statistcs();
for (var index = 0; index < grades.Count; index++)
{
result.Add(grades[index]);
}
return(result);
}
static void Main(string[] args)
{
IBook book = new DiskBook("Daniel's Grade Book");
EnterGrades(book);
Statistcs statistcs = book.GetStatistics();
Console.WriteLine($"The lowest grade is {statistcs.Low}");
Console.WriteLine($"The average grade is {statistcs.Average:N1}");
Console.WriteLine($"The highest grade is {statistcs.High}");
Console.WriteLine($"The Letter grade is {statistcs.Letter}");
}
public override Statistcs GetStatistics()
// we use the class identifier Statistics. So this is a public method named GetStatistics, and its return type,
// that is the type of object is going to return, is Statitics.
{
var result = new Statistcs();
// var arr = new List<double>(){};
for (var index = 0; index < grades.Count; index++)
{
result.Add(grades[index]);
}
return(result);
}
public override Statistcs GetStatistics()
{
var result = new Statistcs();
using (var reader = File.OpenText($"{Name}.txt"))
{
var line = reader.ReadLine();
while (line != null)
{
var number = double.Parse(line);
result.Add(number);
line = reader.ReadLine();
}
}
return(result);
}