Practice Program: Write a new class StringArrayEveryNthIterator, which should be

very similar to StringArrayEvensIterator, except that it returns every nth value. Also write a short main method that creates and populates at least two different arrays and iterates over each with at least two different values of n$.$ Hint: you will need to tell your iterator class the value of n when it is constructed, and it will need to remember that value. Use the same mechanisms you would to do this for any Java class. It doesn't matter that this one happens to be an implementation of an iterator.

Next, we will do the same thing but with the SimpleLinkedList class. This time, the new class that implements the Iterator interface will be a non$-$public class in the same file as the SimpleLinkedList class $($just like it$$s existing $$traditional$$ iterator$).$ Name it SLLEveryNthIterator. You will also add a new method to SimpleLinkedList called everyNthIterator that will construct and return an instance of your new iterator class.

Since this is a generic class, it is not restricted to a single data type, so you will need to use type parameters as appropriate.

Practice Program: Implement the new SLLEveryNthIterator class and the

everyNthIterator method in SimpleLinkedList.java. Test your iterator by adding

a main method. Tests should use at least $2$ different data types, with $2$ different values of n for

each, and with $2$ different list sizes each.