Question: Complete the implementation of the following LinkedList class by adding method size: which returns number of elements in the linked list: public class LinkedList /

Complete the implementation of the following LinkedList class by adding method size: which returns number of elements in the linked list: public class LinkedList / private Node first; class Node public Object data; public Node next; 2 public LinkedList() { first = null; } //retrieve number of elements in the linked list

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