Question 1. Which of the following terms should not be used to compliment XML data that is properly formatted?

1.a. This data is well-formed

1.b. This data is valid

1.c. This data is dy-no-mite!

Well-formed data has properly structured start and end tags, a single root element containing all child elements, and an ?XML declaration at the top. Valid data follows the rules of a particular XML dialect. "Dy-no-mite!" is the catchphrase of the comedian Jimmie "J.J." Walker.

Question 2. What method reads all the elements that are enclosed within a parent element?

2.a. get()

2.b. getChildElements()

2.c. getFirstChildElement()

The getChildElements() method returns an Elements object holding all the elements.

Question 3. What methods of the Elements class can be used to determine the number of elements that it contains?

3.a. count()

3.b. length()

3.c. size()

Just like vectors, Elements uses a size() method that provides a count of the items it holds.