Quiz 15 (Exercises from Chap. 20: (HashSet, HashMap)

  1. (P20.1, Big Java) Write a program that reads text from System.in and breaks it up into words. Insert the words into a set. Finally, print the set and it's size.
  2. Write a program to read text from System.in and break it into words. Insert the words into a map along with a count of the frequency of each word. Finally print out each word followed by its frequency.