public class Sekil{
public Sekil();
double alanHesapla();
double cevreHesapla();
}
public class Dikdortgen extends Sekil{
double kisakenar;
double uzunkenar;
public Dikdortgen(double a, double b){
uzunkenar = a;
kisakenar = b;
}
@Override
double alanHesapla(double kisakenar,double uzunkenar){
return kisakenar*uzunkenar;
}
@Override
double cevreHesapla(double kisakenar,double uzunkenar){
return (kisakenar+uzunkenar)*2;
}
}