Learn to Program, 2nd Edition

A Few Things to Try

• Building and sorting an array. Write the program we talked about at the beginning of this chapter, one that asks us to type as many words as we want (one word per line, continuing until we just press Enter on an empty line) and then repeats the words back to us in alphabetical order. Make sure to test your program thoroughly; for example, does hitting Enter on an empty line always exit your program? Even on the first line? And the second? Hint: There’s a lovely array method that will give you a sorted version of an array: sort. Use it!

• Table of contents, revisited. Rewrite your table of contents program here. Start the program with an array holding all of the information for your table of contents (chapter names, page numbers, ...