Question: What happens when this Java code is compiled and run on a linked list with 6 elements 1, 2, 3, 4, 5, 6 (in that

What happens when this Java code is compiled and run on a linked list with 6 elements 1, 2, 3, 4, 5, 6 (in that order)?

 class Node { int item; Node next; } static int foo (Node data) { if (data.next == null) { return data.item; } else { return foo (data.next); } }

Returns 1

Returns 2

Returns 5

Returns 6

Throws a NullPointerException

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