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A. Supply a class Person that implements the Comparable interface. Compare persons by their names. Ask the user to input 10 names and generate 10 Person objects. Using the compareTo method, determine the first and last person among them and print them. b. Sort an array list of strings by increasing length. Hint: Supply a Comparator.
c. Sort an array list of strings by increasing length, and so that strings of the same length are sorted lexicographically.

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