i really need help with this java problem :(

(CLO 3; 5 Points) Use a circular doubly linked list to perform the following statements (see the Figure below). Evaluate every assignment statement and indicate after each of these assignments, the changes made in the list by showing which links have been modified. Process these assignments in sequence; that is, the second assignment should make changes in the list modified by the first assignment, and so on. Show the circular doubly linked list after each assignment. (Save your work in a document file) 1. head.next. next. next = head. . rev; 2. head.prev.prev.prev = head.next.next. next.prev; 3. head.next.next.next.prev = head.prev. prev.prev; 4. head.next = head.next.next; 5. head.next.prev.next = head.next.next. next