//setter:
void setFlaeche(int flaeche){this->flaeche=flaeche;}
void setStrasse(string strasse){this->strasse=strasse;}
void setHausnummer(int hausnummer){this->hausnummer=hausnummer;}
void setPlz(int plz){this->plz=plz;}
void setBauart(string bauart){this->bauart=bauart;}
void setDachart(string dachart){this->dachart=dachart;}
//getter:
int getFlaeche(){return this->flaeche;}
int getStrasse(){return this->strasse;}
int getHausnummer(){return this->hausnummer;}
int getPlz(){return this->plz;}
int getBauart(){return this->bauart;}
int getDachart(){return this->dachart;}