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1. Describe how to implement a method, alternateIterator( ), for a positional list that returns…

1. Describe how to implement a method, alternateIterator( ), for a positional list that returns…

1. Describe how to implement a method, alternateIterator( ), for a positional list that returns an iterator that reports only those elements having even index in the list.2. Redesign the Progression class, from Section 2.2.3, so that it formally implements the Iterator interface.