// CSE 143, Winter 2011, Marty Stepp                                 
// This class contains the example from lecture.                                                
// The client program creates a short "list" of nodes and glues them together.                                                
                                            
public class NodeClient {                                     
    public static void main(String[] args) {                               
        ListNode node = new ListNode(42);                                                   
        ListNode node2 = new ListNode(-3);                                                     
        node.next = node2;                              // 42 -> -3                                                        
        
        ListNode node3 = new ListNode(17);
        node2.next = node3;                             // -3 -> 17
        // or,  node.next.next = node3;
        
        ListNode node4 = new ListNode(9);
        node3.next = node4;                             // 17 -> 9
        
        System.out.println(node.data);                  // 42
        System.out.println(node.next.data);             // -3
        System.out.println(node.next.next.data);        // 17
        System.out.println(node.next.next.next.data);   //  9
    }
}