public class Node { private Node next; private Object data; public Node(Object data) { this.data = data; next = null; } public Node(Object data, Node next) { this.data = data; this.next = next; } public Object getItem() { return data; } public void setItem(Object data) { this.data = data; } public Node getNext() { return next; } public void setNext(Node next) { this.next = next; } }