As we discussed in class, you need to implement the following things: A generic List interface, which encapsulates the ADT for a list data structure. A generic LinkedList class, which implements List interface A generic LinkedListNode class . A Junit test class LinkedList Tester, which should test all the functions you imple. mented in your LinkedList class and LinkedListNode class. 3 ADT for a list data structure * Get data stored in lead node or list public T getFirst(); * Get the head node of the list public ListNode get FirstNode : - Get data stored in tal mode or list public T get Last(); W w wode with dat the head of the