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If we could modify the existing code in Iterator, we wouldn't need the 2nd class :-)
- caliostro November 24, 2015What the interviewer is expecting is that for you to put a 'wrapper' class on top of CIterator. E.g. you can read the 'next' and 'peek' element on initialization, and then advance them both on each 'next()' request, or you can have two CIterator classes inside, and advance one ahead of the other (ugly, but easier to implement) etc...