} // Only next sequence discounts.
public void AddItemToCart(IItem item)
{
if (item.Types == TypeOfProduct.Discount)
{
CartItems.Add(item);
if (((IDiscount)item).DiscountingProductSequence == 0)
{
AllDiscounts.Add(((IDiscount)item));
}
else
{
Discounts.Enqueue((IDiscount)item);
}
}
else
{
if (Discounts.Count > 0)
{
var discountOnItem = Discounts.Dequeue();
DiscountingSystem.Instance.ApplyDiscount(discountOnItem, (IProduct)item);
}
else
{
// going to apllied on all products.
foreach (var discount in AllDiscounts)
{
DiscountingSystem.Instance.ApplyDiscount(discount, (IProduct)item);
}
}
}
CartItems.Add(item);
}
public Client(string fn, string ln, int age, DateTime r, DateTime er, int sn) //konstruktor
{
_firstName = fn;
_lastName = ln;
_age = age;
_rental = r;
_endRental = er;
_shoesNumber = sn;
_cost = Discounts.Discount(age);
}
static void Main(string[] args)
{
//Console.WriteLine("Hello World!");
//var car = new Car();
////car.Name = "Tets";
//INamed carName = car;
//carName.PrintName();
//ISMSNotify smsNotify = car;
//smsNotify.Notify();
//IEmailNotify emailNotify = car;
//emailNotify.Notify();
//Console.ReadKey();
using (var cnn = new SqlConnection("data source=.; initial catalog=SampleForBulkInsert; user id=sa; password=1"))
{
cnn.Open();
for (int i = 0; i < 100000; i++)
{
var command = cnn.CreateCommand();
command.CommandText = "insert into SampleTable values ('Hossein Ahmadi','Mohammad Nasiri',@date,10000);";
command.Parameters.Add(new SqlParameter("date", DateTime.UtcNow));
command.ExecuteNonQuery();
}
}
sw.Stop();
Regex regex = new Regex("^[a-zA-Z]+$");
if (!regex.IsMatch("sdfsg2323"))
{
}
Dictionary <string, Student> students = new Dictionary <string, Student>();
students.Add("10001", new Student("10001", "Hossein", "Ahmadi", 30));
students.Add("10002", new Student("10002", "Mohammad", "Nasiri", 30));
string[] fruits = { "apple", "passionfruit", "banana", "mango",
"orange", "blueberry", "grape", "strawberry" };
IEnumerable <string> query =
fruits.TakeWhile((fruit, index) => fruit.Length >= index);
foreach (string fruit in query)
{
Console.WriteLine(fruit + " " + fruit.Length);
}
Console.WriteLine();
foreach (string fruit in fruits)
{
Console.WriteLine(fruit + " " + fruit.Length + " " + fruits.Select((Value, Index) => new { Value, Index }).Single(p => p.Value == fruit).Index);
}
Func <(int, int, int), (int, int, int)> doubleThem = ns => (2 * ns.Item1, 2 * ns.Item2, 2 * ns.Item3);
var numbers = (2, 3, 4);
var doubledNumbers = doubleThem(numbers);
Console.WriteLine($"The set {numbers} doubled: {doubledNumbers}");
Action <int> printActionDel = delegate(int i)
{
Console.WriteLine(i);
};
printActionDel(10);
Func <int, int, int> printActionDel1 = (i, j) => i * j;
var mint = printActionDel1(10, 20);
Console.WriteLine(Factorial(5));
int[] numbers1 = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 };
var firstSmallNumbers = numbers1.TakeWhile((n, index) => n >= index);
Console.WriteLine(string.Join(" ", firstSmallNumbers));
new Schedule().Exceute(() => Console.WriteLine("Just Run!"));
Action <int> example1 = x => Console.WriteLine("Write {0}", x);
example1(5);
Func <int, string> example2 = x => string.Format("{0:n0}", x);
Console.WriteLine(example2(5000));
DisplayResult(2, 6, delegate(int n1, int n2) { return(n1 + n2); });
DisplayResult(2, 6, delegate(int n1, int n2) { return(n1 * n2); });
List <int> intList1 = new List <int>()
{
10, 20, 30, 40
};
bool res = intList1.TrueForAll(el => isPositiveInt(el));
List <int> intList = new List <int>()
{
10, 20, 30
};
intList.ForEach(el => Console.WriteLine(el));
MyGenericClass <int> intGenericClass = new MyGenericClass <int>(10);
int val = intGenericClass.genericMethod(200);
MethodPointer pointer = Sum;
pointer += Substract;
string str = "dgkl;ejgklsdgkl;\n";
str += "erfggwewe";
pointer(8, 3);
string dummyLines = "This is first line." + Environment.NewLine +
"This is second line." + Environment.NewLine +
"This is third line.";
//Opens DummyFile.txt and append lines. If file is not exists then create and open.
File.AppendAllLines(@"C:\DummyFile.txt", dummyLines.Split(Environment.NewLine.ToCharArray()).ToList <string>());
var members = new Members(new EmailManager());
members.Register("Hossein", "Ahmadi");
var members1 = new Members(new SmsManager());
members1.Register("Hossein", "Ahmadi");
var h = new ValueHolder(12);
var h2 = new ValueHolder(10);
int m = 17;
for (double d = 1.01; d < 1.10; d += 0.01)
{
Console.WriteLine("Value of i: {0} {1}", d, 5);
}
Dictionary <int, string> dict = new Dictionary <int, string>();
dict.Add(1, "one");
dict.Add(2, "two");
dict.Add(3, "three");
Discounts saleDiscounts = new Discounts();
saleDiscounts.Cloths = 10;
saleDiscounts.HomeDecor = 5;
saleDiscounts.Grocery = 2;
WeekDays wd;
int[][,,] intJaggedArray = new int[3][, , ];
intJaggedArray[0] = new int[3, 3, 3] {
{ { 1, 2, 3 }, { 1, 2, 3 }, { 1, 2, 3 } },
{ { 1, 2, 3 }, { 1, 2, 3 }, { 1, 2, 3 } },
{ { 1, 2, 3 }, { 1, 2, 3 }, { 1, 2, 3 } }
};
ArrayList myArryList = new ArrayList();
myArryList.Add(1);
myArryList.Add("Two");
myArryList.Add(3);
myArryList.Add(4.5f);
//int[][,] intJaggedArray = new int[3][,];
//intJaggedArray[0] = new int[3, 2] { { 1, 2 }, { 3, 4 }, { 5, 6 } };
//intJaggedArray[1] = new int[2, 2] { { 3, 4 }, { 5, 6 } };
//intJaggedArray[2] = new int[2, 2];
#region File
//Create object of FileInfo for specified path
FileInfo fi = new FileInfo(@"C:\DummyFile.txt");
//Open file for Read\Write
FileStream fs = fi.Open(FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.ReadWrite);
//create byte array of same size as FileStream length
byte[] fileBytes = new byte[fs.Length];
//define counter to check how much bytes to read. Decrease the counter as you read each byte
int numBytesToRead = (int)fileBytes.Length;
//Counter to indicate number of bytes already read
int numBytesRead = 0;
//iterate till all the bytes read from FileStream
while (numBytesToRead > 0)
{
int n = fs.Read(fileBytes, numBytesRead, numBytesToRead);
if (n == 0)
{
break;
}
numBytesRead += n;
numBytesToRead -= n;
}
//Once you read all the bytes from FileStream, you can convert it into string using UTF8 encoding
string filestring = Encoding.UTF8.GetString(fileBytes);
#endregion
//throw new NotImplementedException();
Console.WriteLine((h + h2).Value);
Console.WriteLine((h - h2).Value);
Console.WriteLine((h * h2).Value);
Console.WriteLine((h / h2).Value);
Console.WriteLine(h < h2);
Console.WriteLine(h > h2);
Console.WriteLine((h++).Value);
Console.WriteLine((h--).Value);
Console.WriteLine((int)h);
Console.WriteLine(((ValueHolder)m).Value);
ValueHolderType <string> v = new ValueHolderType <string>();
MultipleGeneric <int, string, string> mm = new MultipleGeneric <int, string, string>();
mm.Value1 = 55;
mm.Value2 = "ds";
mm.Value3 = "2342";
string result = mm.DoSomething <string, int, int>(12, 20);
Console.ReadKey();
}