public GradeStatistics ComputeStatistics() { GradeStatistics stats = new GradeStatistics(); stats.HighestGrade = 0; stats.LowestGrade = 100; float sum = 0; foreach (float grade in grades) { stats.HighestGrade = Math.Max(grade, stats.HighestGrade); stats.LowestGrade = Math.Min(grade, stats.HighestGrade); sum += grade; } stats.AverageGrade = sum / grades.Count; return(stats); }
static void Main(string[] args) { GradeBook book = new GradeBook(); book.AddGrade(91); book.AddGrade(87.5f); book.AddGrade(56); book.AddGrade(24); GradeStatistics stats = book.ComputeStatistics(); GradeBook book2 = book; book2.AddGrade(67); Console.WriteLine(stats.HighestGrade); Console.WriteLine(stats.LowestGrade); Console.WriteLine(stats.AverageGrade); }