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using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace SOLIDPRINCIPLESS.LSP
{
//Property ve methodlardan birini kullanmıyorsanız Liskova uymuyorsunuz demektir.
//Eğer ata bir sınıf oluşturulurken bu ata sınıftan kalıtım alan diğer sınıflar ata sınıfların tüm methodlarını ve propertylerinin kullanabiliyorsa dummy gereksiz kod yapısı yoksa o zaman liskov prensibine uymuyordur demektir.
public abstract class Sekil
{
public abstract double CevreHesapla(Sekil sekil);
}
public interface IAlan
{
double AlanHesapla(IAlan alan);
}
public class Ucgen : Sekil,IAlan
{
public int Yukseklik { get; set; }
public int Genislik { get; set; }
public int AKenari { get; set; }
public int BKenari { get; set; }
public int CKenari { get; set; }
public double AlanHesapla(IAlan alan)
{
Ucgen ucgen = (Ucgen)alan;
var u = CevreHesapla(ucgen) / 2;
return Math.Sqrt(u * (u - AKenari) * (u - BKenari) * (u - CKenari));
}
public override double CevreHesapla(Sekil sekil)
{
Ucgen ucgen = (Ucgen)sekil;
return ucgen.AKenari + ucgen.BKenari + ucgen.CKenari;
}
public class Kare : Sekil, IAlan
{
public int Kenar { get; set; }
public double AlanHesapla(IAlan alan)
{
Kare kare = (Kare)alan;
return kare.Kenar * kare.Kenar;
}
public override double CevreHesapla(Sekil sekil)
{
Kare kare = (Kare)sekil;
return kare.Kenar * 4;
}
}
}
//public abstract class Sekil
//{
// public int Boy { get; set; }
// public int En { get; set; }
// public abstract double CevreHesapla();
// public abstract double AlanHesapla();
//}
//public class Kare : Sekil
//{
// public override double AlanHesapla()
// {
// throw new NotImplementedException();
// }
// public override double CevreHesapla()
// {
// throw new NotImplementedException();
// }
//}
//public class Ucgen : Sekil
//{
// public int AKenari { get; set; }
// public int BKenari { get; set; }
// public int CKenari { get; set; }
// public override double AlanHesapla()
// {
// throw new NotImplementedException();
// }
// public override double CevreHesapla()
// {
// throw new NotImplementedException();
// }
//}
//class TekBoyutluSekil : Sekil
//{
// public override double CevreHesapla()
// {
// throw new NotImplementedException();
// }
// public override double AlanHesapla()
// {
// throw new NotImplementedException();
// }
//}
}
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