1) Write a program that uses a StringTokenizer to tokenize a line of text input by the user and places each token in a TreeSet. Print the elements of the TreeSet. [Note: This should cause the elements to be printed in ascending sorted order.
2) Write a program that reads in the side of a square and then prints that square out of asterisks. Your program should work for hollow squares of all side sizes between 1 and 20.