import java.io.*; import java.util.*; public class jumblemain {public static input in = new input(); // input library public static void main(String[] args) throws IOException // always need main program {int num; ListNode top= null; System.out.println("Enter a number or - 1 to end"); num = in.getInt(); while (num != -1) {top = new ListNode(new Integer(num),top); System.out.println("Enter a number or - 1 to end"); num = in.getInt(); } while (top != null) {System.out.println(top.getValue()); top = top.getNext(); } } }