public override Statistics ComputeStatistics()
/* Computes the average, lowest and highest grade from grades.*/
{
var res = new Statistics();
foreach (var grade in grades)
{
res.AddToStat(grade);
}
// Could also do:
/*var index = 0;
* while (index < grades.Count)
* {
* res.highestGrade = Math.Max(grades[index], res.highestGrade);
* res.lowestGrade = Math.Min(grades[index], res.lowestGrade);
* res.averageGrade += grades[index];
* index += 1;
* }
* for(var index = 0; index < grades.Count; index += 1)
* {
* res.highestGrade = Math.Max(grades[index], res.highestGrade);
* res.lowestGrade = Math.Min(grades[index], res.lowestGrade);
* res.averageGrade += grades[index];
* }*/
// jumping statements that can be used in loops: break, continue;
return(res);
}
public override Statistics ComputeStatistics()
{
var result = new Statistics();
string DiskBookFile = @"DiskBook.txt";
using (StreamReader sr = File.OpenText(DiskBookFile))
{
var line = sr.ReadLine();
while (line != null)
{
var grade = double.Parse(line);
result.AddToStat(grade);
line = sr.ReadLine();
}
}
return(result);
}
