Console.WriteLine("Willkommen zu Aufgabe6");

ExamPreparation try1 = new ExamPreparation(new YoloLearningStrategy());
ExamPreparation try2 = new ExamPreparation(new SolidLearningStrategy());

try1.Prepare();
try2.Prepare();

public interface ILearningInterface
{
    public bool Learn();
}

public class SolidLearningStrategy : ILearningInterface
{
    public bool Learn()
    {
        Console.WriteLine("Stoff zusammenfassen und wiederholen.");
        return true;
    }
}

public class YoloLearningStrategy : ILearningInterface
{
    public bool Learn()
    {
        Console.WriteLine("Mut zur Lücke!");
        return false;
    }
}

public class ExamPreparation
{
    public ILearningInterface LearningStrategy;

    public ExamPreparation(ILearningInterface learningStrategy)
    {
        LearningStrategy = learningStrategy;
    }

    public void Prepare()
    {
        Console.WriteLine("Starte Klausurvorbereitung…");
        bool result = LearningStrategy.Learn();
        if (result)
        {
            Console.WriteLine("Klausurvorbereitung erfolgreich beendet.");
        }
        else
        {
            Console.WriteLine("Klausurvorbereitung gescheitert, so ein Mist…");
        }
    }
}