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Author: Whitaker Brand (on 2014/02/13)
  Write a method called removeLast that removes and
   returns the last value of a list of integers.  For example, if a variable
   called list stores the following values:

        [3, 6, 19, 24, -8, 0, 14]

   and you make the following call:

        int n = list.removeLast();

   the variable n will be set to 14 and list will store:

        [3, 6, 19, 24, -8, 0]

   Your method should throw a NoSuchElementException if the list is empty.

   You are writing a method for the LinkedIntList class discussed in lecture:

        public class ListNode {
            public int data;       // data stored in this node
            public ListNode next;  // link to next node in the list

        public class LinkedIntList {
            private ListNode front;


   You may not call any other methods of the LinkedIntList class and you may
   not construct any structured objects to solve this problem.
Type your solution here:

This is a partial class problem. Submit code that will become part of an existing Java class as described. You do not need to write the complete class, just the portion described in the problem.

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