ITEC 120 2009spring ibarland nokie jmdymacek

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lab13a
acronyms
arrays of strings

• Write a method which takes in an array-of-strings, and returns an acronym: the first letter of each word, capitalized, each followed by a period. For example:

  String[] equipment = new String[5]; equipment[0] = "self"; equipment[1] = "contained"; equipment[2] = "underwater"; equipment[3] = "breathing"; equipment[4] = "apparatus"; System.out.println( "Expect: \"S.C.U.B.A.\", got \"" + acronym(equipment) + "\"." );

  Other tests might involve: structured query language; light-amplified stimulated emission [of] radiation; north atlantic treaty organization; compact disc read-only memory; American Broadcasting Corporation. (More acronyms on WP.)

  Hint: the type of your “so-far” variable should be the same as your method's return type.
  (Recall the countdown method, from when we first introduced loops.)

• Modify your main to convert strings to acronyms interactively: read a line (using the Scanner method nextLine()), splitting the line into an array of words (using split, described below), and print the acronym.

  Helpful method:
  For a (long) String s which contains several words, calling s.split(" ") splits s into words and returns each word into an array. (The " " passed to the method is how split decides where one ‘word’ ends and the next begins¹.)

• Optional, if you finish the above:
  Modify your program so that if you run it from the command-line, using the words on the command-line to create your acronym.
• Optional, if you finish the above:
  Write a method which takes in an array of PotionBottles, and returns the total store price of all the potions in the array. Here is an array you can use for testing:

  PotionBottle[] inventory = new PotionBottle[5]; inventory[0] = new PotionBottle( "blue", 1.0, 3 ); inventory[1] = new PotionBottle( "green", 0.5, 10 ); inventory[2] = new PotionBottle( "green", 0.5, 2 ); inventory[3] = new PotionBottle( "clear", 0, 7 ); inventory[4] = new PotionBottle( "yellow", 1.0, 0 );

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