Which of these is a method of ListIterator used to obtain index of previous element? Options: A . &nbspprevious() B . &nbsppreviousIndex() C . &nbspback() D . &nbspgoBack()

Which of these is a me

Question

Which of these is a method of ListIterator used to obtain index of previous

element?

Options:

A . previous()

B . previousIndex()

C . back()

D . goBack()

Answer: Option B

previousIndex() returns index of previous element. if there is no previous element

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