static void Main(string[] args) { SpeechSynthesizer syn = new SpeechSynthesizer(); syn.Speak("have a nice day"); ThrowAwayGradeBook book = new ThrowAwayGradeBook(); book.AddGrade(91); book.AddGrade(89.5f); book.AddGrade(75); book.NameChanged += onNameChanged; Console.WriteLine("Write your name"); try { book.name = Console.ReadLine(); } catch (ArgumentException ex) { Console.WriteLine(ex.Message); } GradeStatistics stats = book.ComputeStatistics(); WriteResult("Average", stats.average); WriteResult("Lowest", stats.lowest); WriteResult("Highest", stats.highest); Console.ReadLine(); }
static void Main(string[] args) { GradeBook book = new ThrowAwayGradeBook(); book.NameChanged = new NameChangedDelegates(OnNameChanged); book.NameChanged += new NameChangedDelegates(OnNameChanged2); book.AddGrade(96); book.AddGrade(89.6f); book.AddGrade(56.25f); book.Name = "Rahul's Book"; book.Name = "Apple's Book"; using (StreamWriter outputFile = File.CreateText("MyGradeBook.txt")) { book.WriteGrade(outputFile); } GradeStatistics stats = book.ComputeStatistics(); Console.WriteLine(book.Name); WriteResult("Average", stats.AverageGrade); WriteResult("Lowest Grade", (int)stats.LowestGrade); // explicit WriteResult("Highest Grade", stats.HighestGrade, 1, 2, 6); WriteResult(stats.Description, stats.LetterGrade); Console.ReadKey(); }
static void Main(string[] args) { IGradeinterface bookOne = new ThrowAwayGradeBook(); bookOne.AddGrade(10.8f); PrintStats(bookOne); GradeBook bookTwo = new GradeBook(); AddGrade(bookTwo); Console.WriteLine(GradeAbstract.maxGrade); //System.Threading.Thread.Sleep(2000); PrintStats(bookTwo); /*SpeechSynthesizer sz = new SpeechSynthesizer(); * sz.Speak("Sum of the grades = " + gs.SumGrade);*/ bookOne.AllocateParams(20, 30); SetGrade(bookOne, bookTwo); FileBookName(bookOne); Console.WriteLine("I am back running... :-)"); foreach (float grd in bookOne) { Console.WriteLine(grd); } }
static void Main(string[] args) { GradeBook book = new ThrowAwayGradeBook(); // EnterName(book); AddGrades(book); SaveGrades(book); WriteResults(book); }
static IGradeTracker InitializeGradeBook(string name) { var gradeBook = new ThrowAwayGradeBook(); gradeBook.NameChanged += OnNameChanged; gradeBook.AddGrade(100f); gradeBook.AddGrade(80f); gradeBook.AddGrade(71f); gradeBook.AddGrade(92f); gradeBook.AddGrade(33f); gradeBook.Name = name; return gradeBook; }
static void Main(string[] args) { GradeTracker book = new ThrowAwayGradeBook(); book.NameChanged += OnNameChanged; try { book.Name = "Metin's new fantastic gradebook"; } catch (ArgumentException ex) { Console.WriteLine(ex.Message); } //book.NameChanged += new NameChangedDelegate(OnNameChanged); //book.NameChanged += new NameChangedDelegate(OnNameChanged2); //overrides onnamechanged if += is not used //now working with eventargs //book.NameChanged += OnNameChanged2; //overrides onnamechanged if += is not used //book.NameChanged -= OnNameChanged; removes 1 onNameChanged event from the list if exists any //book.NameChanged = null; // this assignment can only be made for delegates but can not be done for events. events accepts only subscribe or unscribe. //this is why events are preferred over delegated in order to provide protection //GetBookName(book); book.Name = "Metin's Gradebook"; book.Name = "Metin's Gradebook2"; AddGrades(book); //book.WriteGrades(Console.Out); //book.WriteGrades(); //overloaded SaveGrades(book); SpeechSynthesizer konus = new SpeechSynthesizer(); //konus.Speak("writeresults removes lowest grade in throwawaygradebook.computestatistics so must be executed before writeresults"); //konus.Speak("I have added a little wait here. no rush please. nereye gidiyon boyle a lahn"); //WriteGradesInBytes(book); //writeresults removes lowest grade in throwawaygradebook.computestatistics so must be executed before writeresults WriteResults(book); //konus.Speak("writeresults removes lowest grade in throwawaygradebook.computestatistics so must be executed before writeresults"); Console.ReadLine(); }
static void Main(string[] args) { //SpeechSynthesizer synth = new SpeechSynthesizer(); //synth.Speak("Hello! This is the grade book program!"); GradeBook book = new ThrowAwayGradeBook(); //book.NameChanged += OnNameChanged; //try //{ // Console.WriteLine("Enter a name"); // book.Name = Console.ReadLine(); //} //catch (ArgumentException ex) //{ // Console.WriteLine(ex.Message); //} //catch (NullReferenceException) //{ // Console.WriteLine("Something went wrong"); //} book.AddGrade(91f); book.AddGrade(89.5f); //book.WriteGrade(Console.Out); //book.Name = "Scott's Grade Book"; using (StreamWriter outputFile = File.CreateText("grades.txt")) { book.WriteGrade(outputFile); } GradeStatistics stats = book.ComputeStatistics(); WriteResult("Average", stats.AverageGrade); WriteResult("Highest Grade", stats.HighestGrade); WriteResult("Lowest Gradde", stats.LowestGrade); //Console.WriteLine(book.Name); WriteResult(stats.Description, stats.LetterGrade); Console.ReadLine(); //GradeBook g1 = new GradeBook(); //GradeBook g2 = g1; //g1.Name = "Scott"; //Console.WriteLine(g2.Name); }
static void Main(string[] args) { //SpeechSynthesizer synth = new SpeechSynthesizer(); //synth.Speak("Hello! This is the grade book program!"); //book.NameChanged = OnNameChanged; //book.Name = "Scott's Grade Book"; //Console.WriteLine(book.Name); GradeBook book = new ThrowAwayGradeBook(); //GetBookName(book); AddGrades(book); SaveGrades(book); WriteResults(book); }
static void Main() { GradeTracker book = new ThrowAwayGradeBook(); book.NameChanged += OnNameChanged; PromptForGradebookName(book); EnterGrades(book); SaveGradesToFile(book); var stats = book.ComputeStatistics(); foreach (var grade in book) { Console.WriteLine(grade); } WriteStatsToConsole(book, stats); }
static void Main(string[] args) { //SpeechSynthesizer synth = new SpeechSynthesizer(); //synth.Speak("hello"); //GradeBook book = new GradeBook(); IGradeTracker book = new ThrowAwayGradeBook(); book.NameChanged += new NameChangedDelegate(OnNameChanged); //use += to point delegates to many methods. / add subscription // book.NameChanged += new NameChangedDelegate(OnNameChanged2); // book.NameChanged -= new NameChangedDelegate(OnNameChanged2); //-= remove subscription // book.NameChanged = null; //this will point the delegate to null. removing subsriptions of all the above methods. //use events to prevent this. book.Name = "This is my book"; book.Name = null; //this is not set because of the logic on the setter for Name. book.AddGrade(91); book.AddGrade(89.5f); foreach (float grade in book) { Console.WriteLine(grade); } Console.WriteLine(book.Name); GradeStatistics stats = book.ComputeStatistics(); //Console.WriteLine(stats.HighestGrade); // WriteResult("Avg grade is", stats.AverageGrade,2,3,4,5); WriteResult("Highest grade is", (int)stats.HighestGrade); }
private static IGradeTracker CreateGradeBook() { IGradeTracker book = new ThrowAwayGradeBook("Scott's Book"); return book; }
private static IGradeTracker CraeteGradeBook() { IGradeTracker book = new ThrowAwayGradeBook("Aido knyga"); return(book); }
private static IGradeTracker CreateGradeBook() { IGradeTracker book = new ThrowAwayGradeBook("Throw away gradebook"); return book; }
private static IGradeTracker CreateGradeBook() { IGradeTracker book = new ThrowAwayGradeBook("Peniel Tambama's Book"); return book; }
private static GradeBook CreateGradeBook() { GradeBook book = new ThrowAwayGradeBook("Sophie's Book"); return(book); }
static void Main(string[] args) { SpeechSynthesizer synth = new SpeechSynthesizer(); synth.Speak("Hello! This is the grade book program"); IGradeTracker book = new ThrowAwayGradeBook("Mina's Book"); //book.AddGrade(91); //book.AddGrade(89.5f); //book.AddGrade(75); Do this instead: try { using (FileStream stream = File.Open("grades.txt", FileMode.Open)) using (StreamReader reader = new StreamReader(stream)) { string line = reader.ReadLine(); while (line != null) { float grade = float.Parse(line); book.AddGrade(grade); line = reader.ReadLine(); } } //The next chunk is replaced by the code above. Just another way to do things //string[] lines = File.ReadAllLines("grades.txt"); //foreach (string line in lines) //{ // float grade = float.Parse(line); // book.AddGrade(grade); //} book.WriteGrades(Console.Out); } catch (FileNotFoundException ex) { Console.WriteLine("File not found!"); return; } using (StreamWriter outputFile = File.CreateText("GradesResults.txt")) { book.WriteGrades(outputFile); } try { Console.WriteLine("Please enter a name for the book:"); book.Name = Console.ReadLine(); } catch (ArgumentException ex) { Console.WriteLine(ex.Message); return; } WriteNames("Mina", "Mirna", "Magdi", "Manal"); GradeStatistics stats = book.ComputeStatistics(); stats.AvgGradeChange += new AvgGradechangedDelegate(OnAvgGradeChange); book.NameChanged += new NamedChangedDelegate(OnNameChanged); int number = 20; WriteBytes(number); WriteBytes(stats.averageGrade); book.Name = "Amazing Book"; WriteNames(book.Name); WriteResults(book); Console.WriteLine("{0} {1}", stats.LetterGrade, stats.Description); stats.LetterGrade = "A"; }