1. Write a new accessor method that returns a copy of the item at the rear of the queue. Use the linked list version of the queue. 2. Write another accessor method that returns a copy of the item at...

1. Write a new accessor method that returns a copy of the item at the rear of the queue. Use the linked list version of the queue.

2. Write another accessor method that returns a copy of the item at the rear of the queue. Use the linked list version of the queue.