/media/sda-magnetic/david/Dok-15-2023-11-27/fernuni-hagen/cs-i-ii/old-cs-2-03/yun7x/Arithmetic13/CHChemie.java

public class CHChemie {
    class Aliphaten {}
    
    class Alkane extends Aliphaten {}
    class Alkene extends Aliphaten {}
    class Alkine extends Aliphaten {}
    
    class Methan extends Alkane {}
    class Ethan extends Alkane {}
    class Propan extends Alkane {}
    class Butan extends Alkane {}
    class Pentan extends Alkane {}
    class Hexan extends Alkane {}
    class Heptan extends Alkane {}
    class Oktan extends Alkane {}

    class Ethen extends Alkene {}
    class Propen extends Alkene {}
    class Buten extends Alkene {}
    class Penten extends Alkene {}
    class Hexen extends Alkene {}
    class Hepten extends Alkene {}
    class Okten extends Alkene {}

    class Ethin extends Alkine {}
    class Propin extends Alkine {}
    class Butin extends Alkine {}
    class Pentin extends Alkine {}
    class Hexin extends Alkine {}
    class Heptin extends Alkine {}
    class Oktin extends Alkine {}

}