private static void AddGrades(IGradeTracker book)
{
book.AddGrade(91);
book.AddGrade(89.5f);
book.AddGrade(75);
book.AddGrade(20);
}
private static void AddGrades(IGradeTracker book)
{
book.AddGrade(111);
book.AddGrade(55.5f);
book.AddGrade(0);
book.AddGrade(100);
book.AddGrade(200);
}
private static void AddGrades(IGradeTracker book)
{
book.AddGrade(91);
book.AddGrade(89.9f);
//GradeBook book1 = book;//to pointer poining to the same address or two references variable pointing to the same address in the memory
//it means runtime will copy the address of the book to book1,now we can use the book1 and book variable to access the same obejct memory location
book.AddGrade(75);
}
private static void AddNameAndGrades(IGradeTracker book)
{
book.NameChanged += new NameChangedDelegate(OnNameChanged);
book.Name = "Fernando's Grades";
book.Name = "My Grades";
book.AddGrade(91);
book.AddGrade(85.5f);
book.AddGrade(75);
}
private static void AddGrades(IGradeTracker book)
{
Console.WriteLine("\nHow many grades do you want to add?:");
string input = Console.ReadLine();
if (Int32.TryParse(input, out int num))
{
/* Yes input could be parsed and we can now use number in this code block
* scope */
for (int i = 0; i < Convert.ToInt32(input); i++)
{
Add:
Console.Write("Enter grade " + (i + 1) + ": ");
string gradeInput = Console.ReadLine();
if (float.TryParse(gradeInput, out float gradeAddition))
{
book.AddGrade(gradeAddition);
}
else
{
Console.WriteLine("Not a valid number, please try again.");
goto Add;
}
}
}
else
{
/* No, input could not be parsed to an integer */
AddGrades(book);
}
}
private static void AddGrades(IGradeTracker book1)
{
try
{
Console.WriteLine("Please enter first grade point: ");
book1.AddGrade(float.Parse(Console.ReadLine()));
Console.WriteLine("Please enter second grade point");
book1.AddGrade(float.Parse(Console.ReadLine()));
Console.WriteLine("Please enter third grade point");
book1.AddGrade(float.Parse(Console.ReadLine()));
Console.WriteLine("------------------");
}
catch (ArgumentException ex)
{
Console.WriteLine(ex.Message);
}
}
static void Main(string[] args)
{
IGradeTracker book = CreateGradeBook();
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();
}
}
}
}
catch (FileNotFoundException)
{
Console.WriteLine("Could not locate file");
Console.ReadLine();
return;
}
catch (UnauthorizedAccessException)
{
Console.WriteLine("You dont have access to the file");
Console.ReadLine();
return;
}
foreach (float grade in book)
{
Console.WriteLine(grade);
}
try
{
//Console.WriteLine("Please enter a name");
//book.Name = Console.ReadLine();
}
catch (ArgumentException)
{
Console.WriteLine("Invalid name");
}
GradeStatistics stats = book.ComputeStatistics();
Console.WriteLine(stats.AverageGrade);
Console.WriteLine(stats.LowestGrade);
Console.WriteLine(stats.HighestGrade);
Console.WriteLine("{0} - {1}", stats.LetterGrade, stats.Description);
Console.ReadLine();
}
static void Main(string[] args)
{
SpeechSynthesizer synth = new SpeechSynthesizer();
synth.Speak("Hello!, this is the grade book program");
IGradeTracker book = CreateGradeBook();
// book.NameChanged = new NameChangedDelegate(OnNameChanged);
//book.NameChanged = new NameChangedDelegate(OnNameChanged2);
book.NameChanged += new NameChangedDelegate(OnNameChanged);
// book.NameChanged += new NameChangedDelegate(OnNameChanged2);
//book.NameChanged = null;
try
{
Console.WriteLine("Enter a name");
book.Name = Console.ReadLine();
}
catch (ArgumentException ex)
{
Console.WriteLine(ex.Message);
}
//book.Name = "Kumar's Grade Book";
//book.Name = "Kumar' Grade Book";
book.AddGrade(91);
book.AddGrade(89.5f);
book.AddGrade(75);
book.WriteGrades(Console.Out);
GradeStatistics stats = book.ComputeStatistics();
////book.LowestGrade();
WriteResult("Average", stats.AverageGrade);
WriteResult("Highest Grade", (int)stats.HighestGrade);
WriteResult("Lowest Grade", stats.LowestGrade);
WriteResult(stats.Description, stats.LetterGrade);
Console.ReadLine();
}
// //Save grades in a txt file
// private static void SaveGrades(IGradeTracker book)
// {
// using (StreamWriter outputFile = File.CreateText("grades.txt"))
// {
// book.WriteGrades(outputFile);
// }
// }
private static void AddGrades(IGradeTracker book)
{
//Adding grades to the grades list.
Console.WriteLine("Please enter four grades:");
for (int i = 0; i < 4; i++)
{
float input = float.Parse(Console.ReadLine());
book.AddGrade(input);
}
}
static void Main(string[] args)
{
IGradeTracker book = CreateGradeBook();
book.Name = "Bethany's Grade Book.";
book.NameChanged += OnNameChanged;
book.Name = "Joakim's Grade Book.";
book.AddGrade(91);
book.AddGrade(89.5f);
book.AddGrade(75);
IGradeTracker book2 = CreateGradeBook();
book2.AddGrade(54);
book2.AddGrade(32.5f);
WriteResults(book);
Console.WriteLine("\n--BREAK--\n");
WriteResults(book2);
}
private static void AddGrades(IGradeTracker book)
{
book.AddGrade(91);
book.AddGrade(89.5f);
book.AddGrade(75);
book.AddGrade(60);
book.AddGrade(59);
book.AddGrade(82);
book.AddGrade(95);
}
static void Main(string[] args)
{
IGradeTracker book = CreateGradeBook();
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();
}
}
}
catch (FileNotFoundException)
{
Console.WriteLine("Could not locate the file");
return;
}
catch (UnauthorizedAccessException ex)
{
Console.WriteLine("You donn't have acces to this file");
return;
}
book.WriteGrades(Console.Out);
try
{
Console.WriteLine("Please enter your name");
book.Name = Console.ReadLine();
}
catch (ArgumentException ex)
{
Console.WriteLine("Invalide name");
}
GradeStatistics stats = book.ComputeStatistics();
Console.WriteLine("This is your average grade: " + stats.AverageGrade);
Console.WriteLine("This is your lowest grade : " + stats.LowestGrade);
Console.WriteLine("This is your highest grade: " + stats.HighestGrade + "\n");
Console.WriteLine("Your result is a: " + "{0} {1}", stats.LetterGrade, "\nThat is " + stats.Description);
}
static void Main(string[] args)
{
IGradeTracker book = CreateGradeBook();
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();
}
}
}
catch (FileNotFoundException)
{
// Console.WriteLine("File not found din hound");
return;
}
catch (UnauthorizedAccessException)
{
Console.WriteLine("none vaild access");
return;
}
foreach (float grade in book)
{
Console.WriteLine();
}
try
{
//Console.WriteLine("PLease skriv nogt do ");
//book.Name = Console.ReadLine();
}
catch (ArgumentException)
{
Console.WriteLine("felaktigt namn");
}
GradeStatistics stats = book.ComputeStatistics();
Console.WriteLine(stats.AvergeGrade);
Console.WriteLine(stats.HighGrade);
Console.WriteLine(stats.LowestGrade);
Console.WriteLine("{0} {1}", stats.LetterGrade, stats.Descprition);
}
private static void WriteResults(IGradeTracker book)
{
GradeStatistics stats = book.ComputeStatistic();
book.AddGrade(6.5f);
foreach (var grade in book)
{
Console.WriteLine(grade);
}
WriteResult("Highest grade", (int)stats.MaxGrade);
WriteResult("Average grade", stats.AvgGrade);
WriteResult("Lowest grade", stats.MinGrade);
WriteResult("Your letter Grade is ", stats.LetterGrade);
WriteResult("And it is ", stats.LetterGradeDescription);
}
private static IGradeTracker CreateGradeBookAndAddGrades(IGradeTracker gradebookobj)
{
Console.WriteLine("\nEnter grades in the gradebook.Press END key to stop entering grades:");
while (true)
{
double f1;
var result = Console.ReadLine();
if (!String.IsNullOrWhiteSpace(result))
{
var conversionresult = double.TryParse(result, out f1);
gradebookobj.AddGrade(f1);
}
else
{
break;
}
}
return(gradebookobj);
}
private static void AddGrades(IGradeTracker book)
{
book.AddGrade(90);
book.AddGrade(85);
book.AddGrade(70);
}
static void Main(string[] args)
{
IGradeTracker book = CreateGradeBook();
book.AddGrade(95);
book.AddGrade(93);
book.AddGrade(99.9f);
book.AddGrade(76.7f);
book.AddGrade(76.7f);
try
{
//string[] lines = File.ReadAllLines(@"C:\Users\aidas\OneDrive\Documents\Visual Studio 2015\Projects\C# Fundamentals with C# 5.0 3rd time\Grades\Grades\bin\Debug\grades.txt");
//foreach (string line in lines)
//{
// book.AddGrade(float.Parse(line));
//}
using (FileStream stream = File.Open("grades.txt", FileMode.Open))
using (StreamReader reader = new StreamReader(stream))
{
string line = reader.ReadLine();
while (line != null)
{
book.AddGrade(float.Parse(line));
line = reader.ReadLine();
}
}
}
catch (FileNotFoundException ex)
{
Console.WriteLine("Tokio failo neradome, todel programa baigiasi" + ex.Message);
return;
}
//finally
//{
// if (reader!=null)
// {
// reader.Close();
// }
// if (stream != null)
// {
// stream.Close();
// }
//}
book.DoSomething();
book.WriteGrades(Console.Out);
GradeStatistics stats = book.ComputeStatistics();
book.NameChanged += OnNameChanged;
book.NameChanged += OnNameChanged2;
book.NameChanged += OnNameChanged;
book.NameChanged += OnNameChanged;
book.NameChanged -= OnNameChanged;
try
{
//Console.WriteLine("iveskite varda");
//book.Name = Console.ReadLine();
}
catch (ArgumentException ex)
{
Console.WriteLine($"pagavaom exceptiona {ex.Message}");
}
WriteNames(book.Name);
Console.WriteLine($"Vidurkis {stats.average}");
Console.WriteLine($"Zemiausias {stats.LowestGrade}");
Console.WriteLine($"Didziausias {stats.BiggestGrade}");
Console.WriteLine($"Letter grades is {Char.ToUpper(stats.LetterGrade)} whick is {stats.Description.First().ToString().ToUpper() + stats.Description.Substring(1)}");
book.Name = "Vanagas";
//book.Name = Console.ReadLine();
}
private static void AddGrades(IGradeTracker book)
{
book.AddGrade(92);
book.AddGrade(67.3f);
book.AddGrade(58);
}
static void Main(string[] args)
{
// SpeechSynthesizer synth = new SpeechSynthesizer();
//synth.Speak("Hello, World");
//Arrays();
//Immutable();
//PassByValueAndRef();
IGradeTracker book = CreateGradebook();
try
{
using (FileStream fs = File.Open("grades.txt", FileMode.Open))
using (StreamReader sr = new StreamReader(fs))
{
string line = sr.ReadLine();
while (line != null)
{
float grade = float.Parse(line);
book.AddGrade(grade);
line = sr.ReadLine();
}
}
//string[] lines = File.ReadAllLines("grades.txt");
//foreach (string line in lines)
//{
// float grade = float.Parse(line);
// book.AddGrade(grade);
//}
}
catch (FileNotFoundException ex)
{
Console.WriteLine("File not found");
return;
}
catch (UnauthorizedAccessException ex)
{
Console.WriteLine("No access");
return;
}
//finally
//{
// if (sr != null)
// {
// sr.Close();
// }
// if (fs != null)
// {
// fs.Close();
// }
//}
//book.AddGrade(91f);
//book.AddGrade(89.1f);
//book.AddGrade(75f);
foreach (float grade in book)
{
Console.WriteLine(grade);
}
book.DoSomething();
book.WriteGrades(Console.Out);
//Console.WriteLine(book.Name);
// Method 1 for delegate
//book.NameChanged = new NamedChangeDelegate(OnNameChanged);
// Method 2 for delegate
//book.NameChanged += OnNameChanged;
//book.NameChanged += OnNameChanged;
//book.NameChanged += OnNameChanged2;
//book.Name = "Dick";
//Console.WriteLine(book.Name);
//WriteNames("hello", "Jack", "bob", "Dick");
GradeStatistics stats = book.ComputeStatistics();
Console.WriteLine(stats.LetterGrade);
Console.WriteLine(stats.Description);
//int number = 20;
//WriteBytes(number);
//WriteBytes(stats.AverageGrade);
Console.WriteLine(stats.AverageGrade);
Console.WriteLine(stats.LowestGrade);
Console.WriteLine(stats.HighestGrade);
Console.ReadKey();
}
private static void AddGrades(IGradeTracker book) // Changed from GradeBook to GradeTracker to explain abstracts
{
book.AddGrade(91);
book.AddGrade(89.5f);
book.AddGrade(75);
}
private static void AddGrades(IGradeTracker book)
{
book.AddGrade(91);
book.AddGrade(89.5f); //Since we declared it as a float, we need to append it with an f
book.AddGrade(75);
}
private static void AddGrades(IGradeTracker book)
{
book.AddGrade(91);
book.AddGrade(45.5f);
book.WriteGrade(Console.Out);
}
private static void AddGrades(IGradeTracker book)
{
book.AddGrade(8);
book.AddGrade(9.1f);
book.AddGrade(75);
}
private static void AddGrades(IGradeTracker book)
{
book.AddGrade(85);
book.AddGrade(76.4f);
book.AddGrade(59);
}
static void Main(string[] args)
{
//GradeBook book = new GradeBook("Aido knygos");
//GradeBook book = new ThrowAwayGradeBook("Aido knyga"); //cia jau OOP
IGradeTracker book = CraeteGradeBook();
//book.AddGrade(91f);
//book.AddGrade(89.1f);
//book.AddGrade(75f);
//FileStream stream = null;
//StreamReader reader = null;
try
{
using (FileStream stream = File.Open("grades.txt", FileMode.Open)) //sitaip galima panaudoti uzsing kuris turi magic closing ir tada nereikia finally
using (StreamReader reader = new StreamReader(stream)) //tokiu atveju net ir pagaunant exceptiona bus uzdaromas filas cia lower level dirbant su filu
{
string line = reader.ReadLine();
//string[] lines = File.ReadAllLines("grades.txt"); //read all line nevisada tinka nes gali but filas per didelis ir poan
//foreach (string line in lines)
while (line != null)
{
book.AddGrade(float.Parse(line));
line = reader.ReadLine();
}
//reader.Close(); //butinai reikiauzdaryt bet cia negerai nes jei exceptionas pasitaikys tada numes koda kitur ir neuzdarys
//stream.Close();
}
}
catch (FileNotFoundException ex)
{
Console.WriteLine("File not valid grade.txt");
return;
}
catch (UnauthorizedAccessException ex) //gali gaudyti kiek nori exceptionu
{
Console.WriteLine("you dont have access to grade.txt");
return;
}
//finally
//{
// if (reader != null)
// {
// reader.Close(); //cia vienas is budu kad viska uzdarytufinally kodas visada suveiks nesvarbu ar exceptionas ar kitka
// }
// if (stream != null)
// {
// stream.Close(); //bet tada reader ir stream deklaruoti outside try
// }
// }
//book.DoSomething();
//book.WriteGrades(Console.Out);
foreach (float grade in book)
{
Console.WriteLine(grade);
}
int j;
do
{
try
{
//Console.WriteLine("Please enter the name for the book");
//book.Name = Console.ReadLine();
j = 1;
}
catch (ArgumentException ex) //ex jei nenaudojamas jo nebutina rasyti
{
Console.WriteLine("Invalid name");
j = 2;
}
} while (j != 1);
GradeStatistics stats = book.ComputeStatistics();
Console.WriteLine(stats.AverageGrade);
Console.WriteLine(stats.HighestGrade);
Console.WriteLine(stats.LowestGrade);
//Console.WriteLine(stats.AvarageLetterGrade);
//Console.WriteLine(stats.GradeDescription);
Console.WriteLine("Your grade is {0} {1}", stats.AvarageLetterGrade, stats.GradeDescription);
}
private static void AddGrades(IGradeTracker book)
{
book.AddGrade(95);
book.AddGrade(71);
book.AddGrade(83.3f);
}
private static void AddGrades(IGradeTracker book)
{
book.AddGrade(91);
book.AddGrade(85.5f);
book.AddGrade(71);
}
private static void AddingGrades(IGradeTracker book)
{
book.AddGrade(91);
book.AddGrade(89.5f);
book.AddGrade(75);
}
private static void AddGrades(IGradeTracker book)
{
book.AddGrade(88);
book.AddGrade(99);
book.AddGrade(93);
}
private static void AddGrades(IGradeTracker gradeBook)
{
gradeBook.AddGrade(90.25f);
gradeBook.AddGrade(56.2F);
gradeBook.AddGrade(89.50f);
}
private static void AddGrades(IGradeTracker gb1)
{
gb1.AddGrade(91);
gb1.AddGrade(85.2f);
gb1.AddGrade(75);
}
//Can I set this main to public?
public static void Main(string[] args)
{
SpeechSpeaker.Speaker();
IGradeTracker book = CreateGradeBook();
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();
}
}
//book.AddGrade(91f);
//book.AddGrade(89.1f);
//book.AddGrade(75f);
}
catch (FileNotFoundException ex)
{
Console.WriteLine("Could not locate the file grades.txt");
return;
}
catch (UnauthorizedAccessException ex)
{
Console.WriteLine("No access");
return;
}
foreach (float grade in book)
{
Console.WriteLine(grade);
}
try
{
Console.WriteLine("Please enter a name for the book");
book.Name = Console.ReadLine();
//Delegate playground.
//Book call deledgate Namgechanged. If namechanged is not null, then
book.NameChanged += OnNameChanged;
book.NameChanged += OnNameChanged;
book.NameChanged += OnNameChanged2;
book.NameChanged -= OnNameChanged;
}
catch (ArgumentException)
{
Console.WriteLine("Invalid name");
}
book.Name = "Allen's Book";
WriteNames(book.Name);
GradeStatistics stats = book.ComputeStatistics();
Console.WriteLine(stats.AverageGrade);
Console.WriteLine(stats.LowestGrade);
Console.WriteLine(stats.HighestGrade);
Console.WriteLine("{0} {1}", stats.LetterGrade, stats.Description);
Console.WriteLine("Press any key to exist");
Console.ReadLine();
}
static void AddGradesToGradebook(IGradeTracker book)
{
book.AddGrade(91);
book.AddGrade(89.5f);
book.AddGrade(75);
}
