public class Utils
{
    public static void Print<T>(T value) // Обобщённый метод
    {
        Console.WriteLine($"Тип: {typeof(T)}, Значение: {value}");
    }
}

class Program
{
    static void Main()
    {
        Utils.Print(100);      // Тип: System.Int32, Значение: 100
        Utils.Print("Hello");  // Тип: System.String, Значение: Hello
        Utils.Print(3.14);     // Тип: System.Double, Значение: 3.14
    }
}

public class GenericList<T>
{
    private T[] elements;
    private int size;

    public GenericList(int size)
    {
        elements = new T[size];
        this.size = size;
    }

    public void Add(T element)
    {
        // Логика добавления элемента
    }

    public T this[int i]
    {
        get { return elements[i]; }
        set { elements[i] = value; }
    }
}

public T GenericMax<T>(T x, T y) where T : IComparable
{
    return x.CompareTo(y) > 0 ? x : y;
}

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

using System.ComponentModel;
using System.Runtime.CompilerServices;

public class PersonViewModel : INotifyPropertyChanged
{
    private string _name;
    public string Name
    {
        get => _name;
        set { _name = value; OnPropertyChanged(); }
    }

    public event PropertyChangedEventHandler PropertyChanged;
    protected void OnPropertyChanged([CallerMemberName] string propertyName = null)
        => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
}

<TextBox Text="{Binding Name, Mode=TwoWay}" />
<TextBlock Text="{Binding Name}" />

using (var file = new StreamWriter("file.txt"))
{
    file.WriteLine("Привет, мир!");
}

StreamWriter file = new StreamWriter("file.txt");
try
{
    file.WriteLine("Привет, мир!");
}
finally
{
    if (file != null)
        file.Dispose(); // Автоматический вызов Dispose()
}

await using (var file = new AsyncResource())
{
    await file.DoSomethingAsync();
}

var file = new AsyncResource();
try
{
    await file.DoSomethingAsync();
}
finally
{
    if (file != null)
        await file.DisposeAsync();
}