So can you solve the problem? Because I couldn't i want the after be like this: After: back welcome hi Enter choice: 3 Enter A sentance : hi welcome back Added Before : hi welcome back After: kcab emoclew ih MENU : 1. Cipher 2. Merge 3. Singly IinkedList: 4. Exit Enter choice: ) static void reverse(String str) 1 1 public void printininkedtist (singlyLinkedList sList) f Node h = sist. head; while (sIist.head I = null) f System.out.print (stist.head. data + " ") ; sIist. head = sIist. head. next; 1) System. out.println(); stist. head = h . ) class Nodef public string datai Node next; public Node(string data) I this.data: = data; this.next = null; 1 .