Question: The linked list class in the Java library supports operations addLast and removeLast. To carry out these operations efficiently, the LinkedList class has an added

The linked list class in the Java library supports operations addLast and removeLast. To carry out these operations efficiently, the LinkedList class has an added reference last to the last node in the linked list. Draw a “before/after” diagram of the changes to the links in a linked list when the addLast method is executed.

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