X405: iterateOverList

Consider the following class definition:

  public static class Link {
    public Link next;
    public Object data;
  }

Write a while loop to make q refer successively to each Node in the linked list headed by p. q must end up referring to the last Node in the list. Given that the list L contains the elements ['_','_','_','_'] and p and q both point to the first '_'.

Here is the initial set up:

and here is the expected final configuration

Your Answer:

Answer codepublic Link iterateOverList(Link p, Link q){ return q; }

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