Question: Integer listSize is read from input, then listSize strings are read from input and stored in ArrayList visitorsToPick. arrangeVisitors ( ) counts and outputs all

Integer listSize is read from input, then listSize strings are read from input and stored in ArrayList visitorsToPick. arrangeVisitors() counts and outputs all possible orderings of names in remainVisitors. Complete the arrangeVisitors() base case to increment the value of numOccurrences and output the following:
each element of pickedVisitors followed by a space
": Possibility "
the value of numOccurrences
End with a newline. Then, return the value of numOccurrences for the base case.

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