// RecrsiveTreeTraversal.java

public class RecursiveTreeTraversal {
  public static void main(String[] args) {
    AnimalGroup1 Mammal = AnimalGroup1.Taxonomy1();
    System.out.println(" ************   PREORDER ***************");
    Mammal.displayPreorder();
    System.out.println("\n ************   POSTORDER ***************");
    Mammal.displayPostorder();
     }
}