Question: 9. Linked structures. Suppose that the Node data type is defined as private class Node { private int item; private Node next; } and that

9. Linked structures. Suppose that the Node data type is defined

9. Linked structures. Suppose that the Node data type is defined as private class Node \{ private int item; private Node next; \} and that first is a variable of type Node that refers to the "first" node in a circularly linked list containing n3 nodes, as in the diagram at left: Your goal is to exchange the order of the second and third nodes in the linked list. To do so, complete the following implementation by filling in the letter of one of the expressions below in each provided space. You may use each letter any number of times. No other code is allowed

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