static void Main(string[] args)
{
try
{
var customerService = new CustomerService();
var customerData = customerService.GetCustomerById(1);
if (customerData == null)
{
Console.WriteLine("Müşteri bilgileri bulunamadı.");
}
else
{
Console.WriteLine($"{customerData.FullName()} - {customerData.EmailAddress}");
}
}
catch (Exception ex)
{
Console.WriteLine($"Hata oluştu! Hata : {ex}");
}
finally
{
Console.WriteLine("İşlem tamamlandı.");
}
}
static void Main()
{
// Code 1
var customer = new Customer();
customer.FirstName = "Luke";
customer.LastName = "Skywalker";
var customerFullName = customer.FullName();
Console.WriteLine($"{customerFullName}");
// Code 2
var customerService = new CustomerService();
var customerData = customerService.GetCustomerById(1);
if (customerData != null)
{
Console.WriteLine($"{customerData.FullName()} - {customerData.EmailAddress}");
}
else
{
Console.WriteLine("Müşteri bilgileri bulunamadı.");
}
}
static void Main()
{
var customerService = new CustomerService();
var customerData = customerService.GetCustomerById(1);
#region Statements
// if statement
if (customerData == null)
{
Console.WriteLine("Müşteri bilgileri bulunamadı.");
}
// if-else statement
if (customerData != null)
{
Console.WriteLine($"{customerData.FullName()} - {customerData.EmailAddress}");
}
else
{
Console.WriteLine("Müşteri bilgileri bulunamadı.");
}
// if-else-if statement
if (customerData != null && string.IsNullOrEmpty(customerData.FirstName))
{
Console.WriteLine($"{customerData.FullName()} - {customerData.EmailAddress}");
}
else if (customerData != null)
{
Console.WriteLine($"{customerData.FullName()} - {customerData.EmailAddress}");
}
else
{
Console.WriteLine("Müşteri bilgileri bulunamadı.");
}
// Nested if
if (customerData != null)
{
if (string.IsNullOrEmpty(customerData.EmailAddress))
{
Console.WriteLine($"{customerData.FullName()} - Müşteri e-posta bilgisi bulunamadı.");
}
}
// switch statement
switch (customerData.Id)
{
case 1:
Console.WriteLine($"{customerData.FullName()} - {customerData.EmailAddress}");
break;
case 2:
Console.WriteLine($"{customerData.FullName()} - {customerData.PhoneNumber}");
break;
default:
Console.WriteLine(customerData.FullName());
break;
}
// Nested switch statement
switch (customerData.LastName)
{
case "Skywalker":
Console.WriteLine("Last name : Skywalker");
switch (customerData.FirstName)
{
case "Luke":
Console.WriteLine("I'm Luke Skywalker. I'm here to rescue you.");
break;
case "Leia":
Console.WriteLine("Help me Obi-Wan Kenobi, you're my only hope.");
break;
default:
Console.WriteLine("I'm your father!");
break;
}
break;
case "Kenobi":
Console.WriteLine("That's no moon. It's a space station.");
break;
default:
Console.WriteLine("May the Force be with you.");
break;
}
#endregion
#region Loops
// for loop
for (var i = 1; i <= 3; i++)
{
Console.WriteLine($"for : {i}. {customerData.FullName()}");
}
// while loop
var j = 1;
while (j <= 3)
{
Console.WriteLine($"while : {j}. {customerData.FullName()}");
j++;
}
// do...while loop
var x = 1;
do
{
Console.WriteLine($"do-while : {x}. {customerData.FullName()}");
x++;
} while (x <= 3);
// foreach loop
var list = new int[] { 1, 2, 3 };
foreach (var item in list)
{
Console.WriteLine($"foreach : {item}. {customerData.FullName()}");
}
#endregion
#region Jumping Statements
// break
var movieTypeList = new string[] { "dram", "action", "sci-fi", "romance" };
foreach (var item in movieTypeList)
{
if (item == "sci-fi")
{
Console.WriteLine($"Movie Type : {item}");
break;
}
Console.WriteLine($"Movie Type : {item}");
}
// continue
movieTypeList = new string[] { "dram", "action", "romance", "sci-fi" };
foreach (var item in movieTypeList)
{
if (item == "romance")
{
continue;
}
Console.WriteLine($"Movie Type : {item}");
}
// goto
movieTypeList = new string[] { "dram", "action", "romance", "sci-fi" };
foreach (var item in movieTypeList)
{
switch (item)
{
case "dram":
goto default;
case "action":
goto default;
case "romance":
goto default;
case "sci-fi":
Console.WriteLine($"Movie type is Sci-Fi");
break;
default:
Console.WriteLine($"Movie type is...");
break;
}
}
#endregion
}
static void Main(string[] args)
{
#region try-catch örneği
try
{
CustomerService customerService = null;
var customerData = customerService.GetCustomerById(1);
if (customerData == null)
{
Console.WriteLine("Müşteri bilgileri bulunamadı.");
}
else
{
Console.WriteLine($"{customerData.FullName()} - {customerData.EmailAddress}");
}
}
catch (Exception ex)
{
Console.WriteLine($"Hata oluştu! Hata : {ex}");
}
#endregion
#region try-catch-finally örneği
try
{
var customerService = new CustomerService();
var customerData = customerService.GetCustomerById(1);
if (customerData == null)
{
Console.WriteLine("Müşteri bilgileri bulunamadı.");
}
else
{
Console.WriteLine($"{customerData.FullName()} - {customerData.EmailAddress}");
}
}
catch (Exception ex)
{
Console.WriteLine($"Hata oluştu! Hata : {ex}");
}
finally
{
Console.WriteLine("İşlem tamamlandı.");
}
#endregion
#region throw örneği
try
{
var customerService = new CustomerService();
var customerData = customerService.GetCustomerById(0);
if (customerData == null)
{
throw new NullReferenceException("Hata Kodu : 01 - NullRef hatası oluştu.");
}
else
{
Console.WriteLine($"{customerData.FullName()} - {customerData.EmailAddress}");
}
}
catch (Exception ex)
{
Console.WriteLine($"Hata oluştu! Hata : {ex.Message}");
}
#endregion
}
static void Main(string[] args)
{
try
{
Console.WriteLine("Müşteri Bilgilerini Giriniz");
Console.WriteLine("---------------------------");
Console.Write("Müşteri Adı : ");
var firstName = Console.ReadLine();
Console.Write("Müşteri Soyadı : ");
var lastName = Console.ReadLine();
Console.Write("Telefon No : ");
var phoneNumber = Console.ReadLine();
Console.Write("E-posta Adresi : ");
var email = Console.ReadLine();
var customerService = new CustomerService();
if (customerService != null)
{
var customerId = customerService.AddCustomer(firstName, lastName, phoneNumber, email);
if (customerId > 0)
{
Console.WriteLine($"Müşteri No : {customerId}");
Console.WriteLine();
Console.WriteLine("Adres Bilgilerini Giriniz");
Console.WriteLine("---------------------------");
Console.Write("Adres : ");
var address = Console.ReadLine();
Console.Write("İl : ");
var city = Console.ReadLine();
Console.Write("İlçe : ");
var county = Console.ReadLine();
Console.Write("Semt : ");
var district = Console.ReadLine();
var customerAddressId = customerService.AddCustomerAddress(customerId, address, city, county, district);
if (customerAddressId > 0)
{
var customer = customerService.GetCustomerById(customerId);
var customerAddress = customerService.GetCustomerAddressById(customerId);
Console.WriteLine();
Console.WriteLine("Müşteri Bilgileri");
Console.WriteLine("-----------------");
Console.WriteLine($"Id : {customer.Id} | Adı - Soyadı : {customer.CustomerFullName} | Telefon No : {customer.PhoneNumber} | E-Posta : {customer.EmailAddress}");
Console.WriteLine("-----------------");
Console.WriteLine();
Console.WriteLine("Adres Bilgileri");
Console.WriteLine("---------------");
Console.WriteLine($"Id : {customerAddress.Id} | Müşteri Id : {customerAddress.CustomerId} | Adres : {customerAddress.Address} | İl : {customerAddress.City} | İlçe : {customerAddress.County} | Semt : {customerAddress.District}");
Console.WriteLine("---------------");
Console.WriteLine();
Console.WriteLine("Polymorphisim ile gelen bilgiler...");
Console.WriteLine("-----------------------------------");
customerService.GetCustomerInfo();
Console.WriteLine();
customerService.GetCustomerAddressInfo();
}
}
else
{
Console.WriteLine("Hata! Müşteri no alınamadı.");
}
}
}
catch (Exception ex)
{
Console.WriteLine();
Console.WriteLine($"Hata oluştu! Hata : {ex}");
}
finally
{
Console.WriteLine();
Console.WriteLine("İşlem tamamlandı.");
}
}