Concrete Observer (NewsSubscriber): ● The NewsSubscriber class represents an observer. Each subscriber has a name?

nd implements the Update() method to receive news updates from the publisher.

public class NewsSubscriber : IObserver
{
private readonly string _name;
public NewsSubscriber(string name) => _name = name;
public void Update(string news) => Console.WriteLine($"{_name}

received news: {news}");

}