Output a linked list

Write a recursive method called printLinkedList$()$ that outputs the integer value of each node in a linked list. Method printLinkedList$()$ has one parameter, the head node of a list. The main program reads the size of the linked list, followed by the values in the list. Assume the linked list has at least $1$ node.

Ex: If the input of the program is:

$512345$

the output of the printLinkedList$()$ method is:

$1,2,3,4,5,$

Hint: Output the value of the current node, then call the printLinkedList$()$ method repeatedly until the end of the list is reached. Refer to the IntNode class to explore any available member methods that can be used for implementing the printLinkedList$()$ method.