Computer Science · Oct / Nov 2019 · Paper 2 HL · Question 17

17. The array line in POSline is now replaced by a singly linked list list of CartNode objects. The class CartNode has been defined as follows. public class CartNode { private Cart myCart; private CartNode next; public CartNode(Cart aCart) { this.myCart = aCart; this.next = null; } public Cart getCart(){ return this.myCart; } public CartNode getNext(){ return this.next; } public void setNext(CartNode nextNode) { this.next = nextNode; } }

Read automatically from the paper; the printed page above is exact.