Пример #1
0
 private static void SaveGrades(GradeTracker book)
 {
     using (StreamWriter outputFile = File.CreateText("grades.txt"))
     {
         book.WriteGrades(outputFile);
     }
 }
Пример #2
0
 private static void AddingGrades(GradeTracker book)
 {
     book.AddGrade(91);
     book.AddGrade(89);
     book.AddGrade(98);
     book.AddGrade(60);
 }
Пример #3
0
        static void Main(string[] args)
        {
            //GradeBook Book = new GradeBook();
            //GradeStatistics Stats = new GradeStatistics();

            //Book.NameChanged += new NameChangedDelegate(OnNameChanged); // overwritten with OnNameChanged2 except with +=
            //Book.NameChanged += new NameChangedDelegate(OnNameChanged2); // event keyword not = only +=
            //Book.NameChanged = null; //don't use

            //Book.NameChanged += OnNameChanged; //automatically create the delegate instance behind the scene will know it is a NameChangedDelegate
            //Book.NameChanged += OnNameChanged2; //automatically create the delegate instance behind the scene will know it is a NameChangedDelegate
            //Book.NameChanged += OnNameChanged2;
            //Book.NameChanged -= OnNameChanged2; //will subscribe twice and remove once -= unscubscribe

            GradeTracker    book  = CreateGradeBook();
            GradeStatistics Stats = new GradeStatistics();

            book.NameChanged += OnNameChanged; // Subscribe to event.

            //GetBookName(Book);
            AddGrades(book);
            //Book.WriteGrades(Console.Out);
            Stats = Save(book);
            WriteResults(book, Stats);
        }
Пример #4
0
        static void Main(string[] args)
        {
            GradeTracker book = CreateGradeBook();

            AddGrades(book);
            SaveGrades(book);
            WriteResults(book);
        }
Пример #5
0
        // Becuase of the use of the virtual keyword in GradeBook.cs
        // The behaviour of this method will depend on the type of GradeBook
        // being passed to this method, that is of course assuming that we
        // have overridden the ComputeStatistics method
        private static void WriteResults(GradeTracker book)
        {
            GradeStatistics stats = book.ComputeStatistics();

            WriteResult("Average", stats.AverageGrade);
            WriteResult("Highest", stats.HighestGrade);
            WriteResult("Lowest", stats.LowestGrade);
            WriteResult(stats.Description, stats.LetterGrade);
        }
Пример #6
0
        private static void AddGrades(GradeTracker book)
        {
            book.NameChanged += OnNameChanged;

            book.Name = "Nathan's Grade Book"; //writing a reference to a string into this field
            book.Name = "Grade Book";

            book.AddGrade(91);
            book.AddGrade(89.5f);
            book.AddGrade(75);
        }
Пример #7
0
 private static void GetBookName(GradeTracker book)
 {
     try
     {
         Console.WriteLine("Enter a name");
         book.Name = Console.ReadLine();
     }
     catch (ArgumentException ex)
     {
         Console.WriteLine(ex.Message);
     }
 }
Пример #8
0
        private static void WriteResults(GradeTracker book)
        {
            GradeStatistics stats = book.ComputeStatistics();

            Console.WriteLine(book.Name);
            WriteResult("Average", stats.AverageGrade);
            WriteResult("Highest", (int)stats.HighestGrade);
            WriteResult("Lowest", stats.LowestGrade);
            WriteResult(stats.Description, stats.LetterGrade);
            WriteResult("Params", stats.LowestGrade, 5, 6, 7); //Params - can pass an array of variable length
            Console.Read();
        }
Пример #9
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        /*
         * private static void WriteGradesInBytes(GradeTracker book)
         * {
         *
         *  foreach (float grade in book.grades)
         *  {
         *      WriteasBytes((int)grade);
         *  }
         * }*/

        private static void WriteResults(GradeTracker book)
        {
            GradeStatistics stats = book.ComputeStatistics();

            WriteResult("Average", (int)stats.AverageGrade);
            WriteResult("AverageFloat", stats.AverageGrade);
            WriteResult("AverageLetterGrade", stats.LetterGrade);
            WriteResult("AverageLetterDescription", stats.Description);
            WriteResult(stats.Description, stats.LetterGrade);
            Console.WriteLine(stats.AverageGrade);
            Console.WriteLine(stats.LowestGrade);
            Console.WriteLine(stats.HighestGrade);
        }
Пример #10
0
        private static void WriteResults(GradeTracker Book, GradeStatistics Stats)
        {
            foreach (float grade in Book)
            {
                Console.WriteLine(grade);
            }

            Console.WriteLine(Book.Name);
            WriteResult("Average", Stats.AverageGrade);
            WriteResult("Low", Stats.LowGrade);
            WriteResult("High", (int)Stats.HighGrade); //float will be truncated not rounded.
            WriteResult("", Stats.LetterGrade);
            Console.ReadLine();
        }
Пример #11
0
        static void Main(string[] args)
        {
            GradeTracker book = CreateGradeBook();

            book.AddGrades(new List <double>()
            {
                91, 90, 87.5
            });

            book.WriteGrades();

            GradeStatistics stats = book.ComputeStats();

            WriteResult("Average", stats.AverageGrade);
        }
Пример #12
0
 private static void GetBookName(GradeTracker book)
 {
     try
     {
         Console.WriteLine("Enter a name");
         book.Name = Console.ReadLine();
     }
     catch (ArgumentException ex)
     {
         Console.WriteLine(ex.Message);
     }
     catch (NullReferenceException)
     {
         Console.WriteLine("Something went wrong");
     }
 }
Пример #13
0
        static void Main(string[] args)
        {
            GradeTracker book = CreateGradeBook();

            book.NameChanged += new NameChangedDelegate(OnNameChanged); // Add methods to delegate with +=
            book.NameChanged += OnNameChanged2;                         // Can also be written like this.
            //book.NameChanged = null;  NameChanged is an event.  Events can only add or subtract a subscriber.

            book.Name = null;
            book.Name = "Stephen's Grade Book";
            AddGrades(book);
            StreamWriter outputFile = File.CreateText("grades.txt");

            book.WriteGrades(outputFile);
            WriteResults(book);
        }
Пример #14
0
        static void Main(string[] args)
        {
            GradeTracker book = CreateGradeBook();

            NewMethod(book);


            //book.NameChanged += new NameChangedDelegate(OnNameChanged);

            // book.NameChanged = null; //Error because of event. A example to not use delegate

            //book.NameChanged += OnNameChanged;
            //book.NameChanged += OnNameChanged2; // No need to use new NameChangedDelegate


            //book.Name = "Ravi's Grade Book";
            //book.Name = null;
            AddGrades(book);

            WriteResults(book);

            SaveGrades(book);
        }
Пример #15
0
 private static void GetBookName(GradeTracker book)
 {
     try
     {
         Console.WriteLine("What would you like to call your grade book?");
         book.Name = Console.ReadLine();
     }
     catch (AggregateException ex)
     {
         Console.WriteLine(ex.Message);
     }
     catch (NullReferenceException)
     {
         Console.WriteLine("Something went wrong");
     }
     catch (Exception)
     {
         Console.WriteLine("Something went wrong");
     }
     finally
     {
         Console.WriteLine("Finished");
     }
 }
Пример #16
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 private static void AddGrades(GradeTracker book)
 {
     book.AddGrade(91);
     book.AddGrade(89.5f);
     book.AddGrade(75);
 }
Пример #17
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 private static void AddGrades(GradeTracker book)
 {
     book.AddGrade(100);
     book.AddGrade(95);
     book.AddGrade(60);
 }
Пример #18
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 private static void GetBookName(GradeTracker Book)
 {
     Book.Name = "Scott's Grade Book";
     Book.Name = "Grade Book";
 }
Пример #19
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 private static GradeStatistics Save(GradeTracker Book)
 {
     return(Book.ComputeStatistics());
 }
Пример #20
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 private static void AddGrades(GradeTracker Book)
 {
     Book.AddGrade(100);
     Book.AddGrade(50.5f);
     Book.AddGrade(75);
 }