public interface IStrategy void Algorithm public class ConcreteStrateg

public interface IStrategy
{
    void Algorithm();
}
 
public class ConcreteStrategy1 : IStrategy
{
    public void Algorithm()
    {}
}
 
public class ConcreteStrategy2 : IStrategy
{
    public void Algorithm()
    {}
}
 
public class Context
{
    public IStrategy ContextStrategy { get; set; }
 
    public Context(IStrategy _strategy)
    {
        ContextStrategy = _strategy;
    }
 
    public void ExecuteAlgorithm()
    {
        ContextStrategy.Algorithm();
    }
}