/**
 * Created by Ejer on 25-02-2017.
 */
public class SelfCheckProblems {
    public static void main(String[] args) {
        ListNode list = new ListNode();
        list.data = 5;
        list.next = new ListNode();
        list.next.data = 4;
        list.next.next = new ListNode();
        list.next.next.data = 3;
        list.next.next.next = null;

        System.out.println(list.data + " " + list.next.data + " " + list.next.next.data);

        ListNode temp = list;   // temp -> 5
        list = list.next;       // list -> 4
        temp.next = list.next;   // 5 -> 3
        list.next = temp;        // 4 -> 5

        System.out.println(list.data + " " + temp.data + " " + temp.next.data);
    }
}