public class ListNode {
    
    private Object item;
    private ListNode next;
    
    public ListNode(Object o, ListNode n) {
	item = o;
	next = n;
    }
    
    public Object getItem() { return item; }

    public ListNode getNext() { return next; }

    public void setItem(Object o) { item = o; }

    public void setNext(ListNode n) { next = n;  }
    
    public String toString() {
	String temp = item.toString();
	if (next != null) 
	    temp += " " + next.toString();
	return temp;
    }

}