// main method to test the Recursion class
// NOTE: I WILL do more testing than this!! You should add your own tests!!
public class Tester {
  public static void main(String[] args) {
    Recursion list = new Recursion();
    
    list.build(new String[]{"people", "eat", "crabs"});
    list.print(); // people eat crabs
 
    System.out.println();
    list.printInReverseOrder(); // crabs eat people
 
    System.out.println();
    System.out.println(list.get(1)); // eat
    
    System.out.println();
    System.out.println(list.longest()); // people
 
    System.out.println();
    list.remove("people"); // people are removed
    list.print(); // eat crabs
 
    System.out.println();
    list.duplicate();
    list.print(); // eat eat crabs crabs
 
    System.out.println();
    list.addSecond("sleep");
    list.print(); // eat sleep eat crabs crabs
  }
}