// Demonstrate implementation of traversal using down-and-up method

class AnimalGroup extends Tree<String> { 

    public AnimalGroup(String s) { 
        setLabel(s); 
     }


//  Create a simple taxonomy and return the root
    static public AnimalGroup Taxonomy() {
       AnimalGroup Mammal = new AnimalGroup("Mammal");
       AnimalGroup Primate = new AnimalGroup("Primate");
       AnimalGroup Carnivore = new AnimalGroup("Carnivore");
       AnimalGroup Rodent = new AnimalGroup("Rodent");
       AnimalGroup Human = new AnimalGroup("Human");
       AnimalGroup Gorilla = new AnimalGroup("Gorilla");
       AnimalGroup Skunk = new AnimalGroup("Skunk");
       AnimalGroup Dog = new AnimalGroup("Dog");
       AnimalGroup Cat = new AnimalGroup("Cat");
       AnimalGroup Squirrel = new AnimalGroup("Squirrel");
       AnimalGroup Rat = new AnimalGroup("Rat");
       Mammal.addChild(Primate);
       Mammal.addChild(Rodent);
       Mammal.addChild(Carnivore);
       Carnivore.addChild(Skunk);
       Carnivore.addChild(Dog);
       Carnivore.addChild(Cat);
       Rodent.addChild(Squirrel);
       Rodent.addChild(Rat);
       Primate.addChild(Human);
       Primate.addChild(Gorilla);
       return Mammal;
     }
    
    public static void main(String[] args) {
        AnimalGroup Mammal = Taxonomy();
        Mammal.DownAndUpTraverse();
     }
}