Quiz Stuff

• Use a full sheet of 8½ x 11" paper. (Half sheet? Half credit!)
• Put your last name and first initial in the far upper left hand corner!
  
• No need to write out questions.
• Numbering responses may help you avoid overlooking a question; it's ok to go ahead and pre-number your sheet.
• Four minutes. Two questions and an EC.
• Can everybody see this line?

Quiz 11; November 28; 4'; 1 + 2 points plus 1 point EC

1. Write some Ruby code that uses a block to print the values in an Array a, one per line.
2. Write a Ruby class Half that works as follows:

   >> h1 = Half.new 7
   
   >> h1.value
   => 3.5
   
   >> Half.new(1).value * 2
   => 1.0
   

EC (1pt): Write a question involving Ruby iterators or blocks and answer it.