/*
 * Kyle Pierce
 * CSE 143
 *
 * Simple client program using the ListNode class
 */
public class ListNodeClient {
   public static void main(String[] args) {
      ListNode list = new ListNode(3,
                      new ListNode(5,
                      new ListNode(2)));
      int[] arr = {3, 5, 2};

      // This is the way most programmers would write this code
      // and the way you will see us do it in lecture and section.
      ListNode current = list;
      while (current != null) {
         System.out.println(current.data);
         current = current.next;
      }

      // This is how we would have written such a loop with an array.
      for (int i = 0; i < arr.length; i++) {
         System.out.println(arr[i]);
      }

      // This is another way. There's nothing necessarily wrong
      // with it, but when the loop conditions get longer and more
      // complicated this way can become hard to read.
      //
      // You'll also find that the scope of curr is inconvenient
      // since (as is true with the add method) you often need access
      // to curr after of the loop as well
      for (ListNode curr = list; curr != null; curr = curr.next) {
         System.out.println(curr.data);
      }
   }
}