public override BookStatistics GetStatistics()
{
var result = new BookStatistics();
foreach (var grade in grades)
{
result.Add(grade);
}
return(result);
}
public override BookStatistics GetStatistics()
{
var result = new BookStatistics();
using (var reader = File.OpenText($"out/{Name}.txt"))
{
var line = reader.ReadLine();
while (line != null)
{
var number = double.Parse(line);
result.Add(number);
line = reader.ReadLine();
}
}
return(result);
}