// CoMP1006 W13
// Abstract Node type (with generics)

public abstract class Node<T>{
  protected      T  data;
  protected Node<T> next;

  // need to add getter and setter for both data and next
  public abstract T getData();
  public abstract void setData(T newData);
  
  public abstract Node<T> getNext();
  public abstract void    setNext(Node<T> newNext);
  
  
  // do not include the <T> in the constructor definitions
  public Node(){
    data = null;
    next = null;
  }
 
  public Node(T data){
    this.data = data;
    this.next = null;
  }
}