Class and Objects Lesson

//int[] array = new int[] { 1, 2, 3, 4, 5 };

//Animal sam = new Animal("Sam") { Food = "Dry Feed" };

//Console.WriteLine(sam.Name);

//Animal bobby = new Animal(Type.Dog, "Bobby", "Brown Dog", 3, "Dry Food");

//Animal[] animals = new Animal[] { bobby, sam };

//foreach (Animal animal in animals)
//{
//	Console.WriteLine(animal.Type);
//}


//Person alemkhan = new Person();

//alemkhan.Name = "alemkhan";
//sam.Age = 23;

//Console.WriteLine(alemkhan.Name);
//Console.WriteLine(alemkhan.Age);

Student student1 = new Student(0, "Alem", "Ut1", "alem1@gmail.com", new DateTime(1998, 1, 22));
Student student2 = new Student(1, "Alem2", "Ut2", "alem2@gmail.com", new DateTime(1998, 2, 22));
Student student3 = new Student(2, "Alem3", "Ut3", "alem3@gmail.com", new DateTime(1998, 3, 22));

Student[] students = new Student[] { student1, student2, student3 };

foreach (Student student in students)
{
	student.ShowData();
}

class Student
{
	public int Id;
	public string FirstName;
	public string LastName;
	public string Email;
	public DateTime DateB;

	public Student(int id, string firstName, string lastName, string email, DateTime dateB)
	{
		Id = id;
		FirstName = firstName;
		LastName = lastName;
		Email = email;
		DateB = dateB;
	}

	public void ShowData()
	{
		Console.WriteLine("========================================");
		Console.WriteLine($"ID: {Id}");
		Console.WriteLine($"Имя: {FirstName}");
		Console.WriteLine($"Фамилия: {LastName}");
		Console.WriteLine($"E-mail: {Email}");
		Console.WriteLine($"Дата рождения: {DateB.ToString("dd M yy")}");
		Console.WriteLine("========================================");
	}
}
class Animal
{
	public Type Type;
	public string Name;
	public string Description;
	public string Food;
	public int Age;

	// Конструктор
	public Animal()
	{
		Console.WriteLine("Обьект класса Animal был создан");
	}

	public Animal(string name)
	{
		Name = name;

		Console.WriteLine("Обьект класса Animal был создан");
	}

	public Animal(string name, string desc)
	{
		Name = name;
		Description = desc;

		Console.WriteLine("Обьект класса Animal был создан");
	}

	public Animal(string name, string description, string food)
	{
		Name = name;
		Description = description;
		Food = food;
	}

	public Animal(Type type, string name, string description, string food)
	{
		Type = type;
		Name = name;
		Description = description;
		Food = food;
	}

	public Animal(Type type, string name, string description, int age, string food)
	{
		Type = type;
		Name = name;
		Description = description;
		Food = food;
		Age = age;
	}

	public Animal(Type type, string name, string description, string food, int age)
	{
		Type = type;
		Name = name;
		Description = description;
		Food = food;
		Age = age;
	}
}

enum Type
{
	Cat,
	Dog
}

class Person
{
	public string Name = "Неизвестно";
	public int Age = -1;
}