checkpoint5

class Node{
  private String payload;
  private Node next;

  public Node (String payload){
    this.payload = payload;
    this.next = null;
  }

  public Node (String payload, Node next){
    this.payload = payload;
    this.next = next;
  }

  public String getPayload (){
    return this.payload;
  }
  public Node getNext(){
    return next;
  }

  public void setPayload (String payload){
    this.payload = payload;
  }
  public void setNext(Node next){
    this.next = next;
  }
}

class LinkedList2{

  Node head;

  public LinkedList2(){
    head = null;
  }

  public void printList(){
    Node currentNode = head;
    while(currentNode.getNext() != null){
      System.out.println(currentNode.getPayload());
      currentNode = currentNode.getNext();
    }
    System.out.println(currentNode.getPayload());
  }

  public void addHead(String value){
    head = new Node (value, head);
  }

  public void removeHead(){
    if (head != null){
      head = head.getNext();
    }
  }

  public static void main (String [] args){
    LinkedList2 list = new LinkedList2();

    list.addHead("test1");
    list.addHead("test2");
    list.addHead("test3");
    list.removeHead();
    list.printList();



  }
}