public class LinkedList {
  public static ArrayList<String> nodes;

  public LinkedList() {
    ArrayList<String> nodes = new ArrayList<String>();
    System.out.print(nodes);
  }

  public ArrayList<String> add(String value) {
    nodes.add(value);
    return nodes;
  }


  public static void main(String [] args) throws IOException
  {
    LinkedList list = new LinkedList();
    list.add("B");
  }

}