In java please do the following

6 Complete the methods below 7None of the methods should modify the list, unless that is the purpose of the method * You may not add any fields to the node or list classes. * You may not add any methods to the node class. 9 12 You MAY add private methods to the list class (helper functions for the recursion) 13 *1 14 ? public class MyLinked { 15static class Node 16 17 18 19 20 21 public Node (double item, Node next) public double item; public Node next; this.item -item; this.next - next; h int N; Node first