static void Main(string[] args)
{
XmlSerializer serializer = new XmlSerializer(typeof(Person));
string xml;
using (StringWriter sw = new StringWriter())
{
Person p = new Person()
{
FirstName = "John",
LastName = "Doe",
Age = 23,
};
serializer.Serialize(sw, p);
xml = sw.ToString();
}
Console.WriteLine(xml);
using (StringReader sr = new StringReader(xml))
{
Person p = (Person)serializer.Deserialize(sr);
Console.WriteLine("{0} {1} is {2} years old", p.FirstName, p.LastName, p.Age);
}
Console.ReadLine();
}
static void Main(string[] args)
{
Person p = new Person
{
Id = 3,
Name = "John Doe JSON"
};
using (MemoryStream stream = new MemoryStream())
{
DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(Person));
ser.WriteObject(stream, p);
stream.Position = 0;
StreamReader streamReader = new StreamReader(stream);
Console.WriteLine(streamReader.ReadToEnd());
stream.Position = 0;
Person result = (Person)ser.ReadObject(stream);
Console.WriteLine("Memory: {0} {1}", result.Id, result.Name);
}
using (Stream stream = new FileStream("data.json", FileMode.Create))
{
DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(Person));
ser.WriteObject(stream, p);
}
using (Stream stream = new FileStream("data.json", FileMode.Open))
{
DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(Person));
Person result = (Person)ser.ReadObject(stream);
Console.WriteLine("File: {0} {1}", result.Id, result.Name);
}
Console.ReadLine();
}
static void Main(string[] args)
{
Person p = new Person
{
Id = 2,
Name = "John Doe"
};
using (Stream stream = new FileStream("data.xml", FileMode.Create))
{
DataContractSerializer ser = new DataContractSerializer(typeof(Person));
ser.WriteObject(stream, p);
}
using (Stream stream = new FileStream("data.xml", FileMode.Open))
{
DataContractSerializer ser = new DataContractSerializer(typeof(Person));
Person result = (Person)ser.ReadObject(stream);
Console.WriteLine("{0} {1}", result.Id, result.Name);
}
Console.ReadLine();
}
static void Main(string[] args)
{
Person p = new Person
{
Id = 1,
Name = "John Doe",
};
IFormatter formatter = new BinaryFormatter();
using (Stream stream = new FileStream("data.bin", FileMode.Create))
{
formatter.Serialize(stream, p);
}
using (Stream stream = new FileStream("data.bin", FileMode.Open))
{
Person dp = (Person)formatter.Deserialize(stream);
Console.WriteLine("{0} {1}", dp.Id, dp.Name);
}
Console.ReadLine();
}
static void Main(string[] args)
{
int x = 1;
int y = 0;
try
{
int result = x / y;
}
catch (DivideByZeroException) when(y == 0 && x == 0)
{
Console.WriteLine("y не должен быть равен 0");
}
catch (DivideByZeroException) when(y == 0)
{
Console.WriteLine("y не должен быть равен 0!!!");
}
catch (DivideByZeroException ex)
{
Console.WriteLine(ex.Message);
}
try
{
int x1 = 5;
int y1 = x1 / 0;
Console.WriteLine($"Результат: {y1}");
}
catch (Exception ex)
{
Console.WriteLine($"Исключение: {ex.Message}");
Console.WriteLine($"Метод: {ex.TargetSite}");
Console.WriteLine($"Трассировка стека: {ex.StackTrace}");
}
try
{
object obj = "you";
int num = (int)obj; // InvalidCastException
Console.WriteLine($"Результат: {num}");
}
catch (DivideByZeroException)
{
Console.WriteLine("Возникло исключение DivideByZeroException");
}
catch (IndexOutOfRangeException)
{
Console.WriteLine("Возникло исключение IndexOutOfRangeException");
}
catch (Exception ex)
{
Console.WriteLine($"Исключение: {ex.Message}");
}
try
{
Person p = new Person("Tom", 17);
}
catch (Exception ex)
{
Console.WriteLine($"Error: {ex.Message}");
}
try
{
Human h = new Human {
Name = "Tom", Age = 13
};
}
catch (MyExceptions ex)
{
Console.WriteLine($"Error: {ex.Message}");
Console.WriteLine($"Incorrect value: {ex.Value}");
}
Console.WriteLine("/n/n");
try
{
TestClass.Method1();
}
catch (DivideByZeroException ex)
{
Console.WriteLine($"Catch в Main : {ex.Message}");
}
finally
{
Console.WriteLine("Блок finally в Main");
}
Console.WriteLine("Конец метода Main");
Console.Read();
try
{
Console.Write("Введите строку: ");
string message = Console.ReadLine();
if (message.Length > 6)
{
throw new Exception("Длина строки больше 6 символов");
}
}
catch
{
Console.WriteLine("Возникло исключение");
throw;
}
}
