4 ta class ba onvan keshvar, ostan shahr va ensan tarif mikoni
beyn keshvar o ostan va shahr rabete inheritance ijad mikoni
har keshvar va ostan yek code darn
har shahr yek seri shahrvand az nou ensan dare
dar nahayat yek seri ensan ba esm va shomare telphone tarif mikoni
4 ragham avl shomare telephone bayad ba code keshvar va ostan tatbigh dade beshe
baray in kar yek method darun class shahr tarif mikoni ba name addCitizen ke ensan migire tush shomare telephone har ensan ro ba code hay keshvar va ostan check mikoni
4 ta class ba onvan keshvar, ostan shahr va ensan tarif mikoni
beyn keshvar o ostan va shahr rabete inheritance ijad mikoni
har keshvar va ostan yek code darn
har shahr yek seri shahrvand az nou ensan dare
dar nahayat yek seri ensan ba esm va shomare telphone tarif mikoni
4 ragham avl shomare telephone bayad ba code keshvar va ostan tatbigh dade beshe
baray in kar yek method darun class shahr tarif mikoni ba name addCitizen ke ensan migire tush shomare telephone har ensan ro ba code hay keshvar va ostan check mikoni
@hosseinmtv