X$409$: addNodeAtTail

Consider the following class definition:

public class Link$\{$

Object data;

Link next;

$\}$

Create a new node with info $\text{'}$D$\text{'}$ and insert it at the end of the list headed by p$.$ Given that the list L contains the elements $[\text{'}$A$\text{'},\text{'}$B$\text{'},\text{'}$C$\text{'}]$ and p points to $\text{'}$A$\text{'}.$Create a new node with info $\text{'}$D$\text{'}$ and insert it at the end of the list headed by $p.$ Given that the list $L$ contains the elements

$[\text{'}$A$\text{'},\text{'}$B$\text{'},\text{'}$C$\text{'}]$ and $p$ points to $\text{'}$A$\text{'}.$

Here is the initial set up:

and here is the expected final configuration

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