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263 changes: 19 additions & 244 deletions Lesson03/Lesson03/Program.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -18,264 +18,39 @@
// yig'ib umumiy o'rta qiymatini (sum / n) qaytaradi.
internal class Program
{
public delegate void PrintMessage();
public delegate int Transform(int x);
public delegate void DisplayNumber(int x);

public delegate bool ValidateNumber(int number);
public delegate void Greet(bool isSignedIn);

public delegate bool ValidateAll(int number);
public delegate bool ValidateAny(int number);
public delegate int ValidateSum(int number);
public delegate int ValidateAverage(int number);
static void Main(string[] args)
{
#region Sample 1

// PrintMessage printMessage = new PrintMessage(Hello);
// PrintMessage printMessage = Hello;

// printMessage.Invoke();
//printMessage();
//Console.WriteLine();

//printMessage += World;
//printMessage += Hello;

//printMessage();

//Console.WriteLine();

//printMessage -= Hello;
//printMessage -= Hello;
//printMessage -= Hello;
//printMessage -= World;

//printMessage?.Invoke();
//Console.WriteLine();

//PrintMessage message1 = printMessage;
//message1();
//PrintMessage printMessage2 = message1 + printMessage;

//printMessage2();

#endregion

int[] numbers =
{ -5, -7, -10, -50, -4, 3, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };

//Transform transformer = Square;
//transformer += Cube;

//int num = transformer(3);

//TransformNumbers(numbers, Square, DisplayNumberWithColor);
//TransformNumbers(numbers, Cube, WriteNumberToFile);

//DisplayNumbers(numbers, IsEven);
//DisplayNumbers(numbers, IsPositive);

string language = Console.ReadLine();

if (language == "uz")
{
StartApplication(WelcomeUserUzb);
}
else
{
StartApplication(WelcomeUserEn);
}
}

static void DisplayHello(string name, int age)
{
if (age > 17)
{
Console.WriteLine($"Hello: {name}. You can take driver license");
}
else
{
Console.WriteLine($"Hello: {name}. You cannot take driver license");
}
}

static void StartApplication(Greet greet)
{
bool isSignedIn = true;

greet(isSignedIn);
}

static void WelcomeUserUzb(bool isSignedIn)
{
if (isSignedIn)
{
Console.WriteLine("Qayta ko'rishdan xursandmiz!");
}
else
{
Console.WriteLine("Xush kelibsiz!");
}
}

static void WelcomeUserEn(bool isSignedIn)
{
if (isSignedIn)
{
Console.WriteLine("Welcome back!");
}
else
{
Console.WriteLine("Welcome!");
}
}

static void DisplayNumbers(int[] numbers, Validator validator)
{
foreach (var number in numbers)
{
DisplayNumberWithColor(number, validator);
}

Console.WriteLine();
}

static void DisplayNumbers(int[] numbers, ValidateNumber validator)
{
foreach (var number in numbers)
{
DisplayNumberWithColor(number, validator);
}

Console.WriteLine();
}

static void TransformNumbers(int[] numbers, Transform transfomer, DisplayNumber displayer)
{
foreach (var number in numbers)
{
displayer(transfomer(number));
}

Console.WriteLine();
}

static bool IsEven(int x)
{
return x % 2 == 0;

}

static bool IsPositive(int x)
static bool All(List<int> numbers, ValidateAll validator)
{
return x >= 0;
}

static void DisplayNumberWithColor(int x, ValidateNumber validator)
{
if (validator(x))
{
Console.ForegroundColor = ConsoleColor.Green;
Console.Write(x + " ");
Console.ResetColor();
return;
}

Console.ForegroundColor = ConsoleColor.Red;
Console.Write(x + " ");
Console.ResetColor();
}

static void DisplayNumberWithColor(int x, Validator validator)
{
if (validator.IsEven(x))
{
Console.ForegroundColor = ConsoleColor.Green;
Console.Write(x + " ");
Console.ResetColor();
return;
}

Console.ForegroundColor = ConsoleColor.Red;
Console.Write(x + " ");
Console.ResetColor();
}

static void DisplayNumberWithPositive(int x)
{
if (x < 0)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.Write(x + " ");
Console.ResetColor();
return;
}

Console.ForegroundColor = ConsoleColor.Green;
Console.Write(x + " ");
Console.ResetColor();
return numbers.All(x => validator(x));
}

static void WriteNumberToFile(int x)
static bool Any(List<int> numbers , ValidateAny validator)
{
// Write to file
Console.WriteLine($"Writing to file number: {x}");
return numbers.Any(x => validator(x));
}

static void TransformNumbersToSquare(int[] numbers)
static int Summ(List<int> numbers ,ValidateSum validator)
{
foreach (var number in numbers)
int sum = 0;
foreach(int i in numbers)
{
Console.Write(Square(number) + " ");
sum += validator(i);
}

Console.WriteLine();
return sum;
}

static void TransformNumbersToCube(int[] numbers)
static double Average(List<int> numbers, ValidateAverage validator)
{
foreach (var number in numbers)
double sum = 0;
foreach (int i in numbers)
{
Console.Write(Cube(number) + " ");
sum += validator(i);
}

Console.WriteLine();
return sum/numbers.Count;
}

static int Square(int x)
{
return x * x;
}

static int Cube(int x)
{
return x * x * x;
}

static void Hello()
{
Console.WriteLine("Hello");
}

static void World()
{
Console.WriteLine("World");
}
}

class Validator
{
public bool IsEven(int x)
{
return x % 2 == 0;
}

public bool IsPositive(int x)
{
return x >= 0;
}
}

class Person
{
public string Name { get; set; }
public int age { get; set; }
}
}