Horror in my CSI2110 Lab

gistfile1.java

ListNode nNode = new ListNode();
nNode.data = 1;
DLinkedList list = new DLinkedList();
list.firstNode = nNode;
list.lastNode = nNode;
    
// add items to linked list
for (int i = 2; i < 11; i++) {
    nNode = new ListNode();
    nNode.data = i;
    list.AppendNode(nNode);
}