"In ???, we used a Table to store information related to Bubble objects. An XML document can also be used in the same manner. Here is a possible solution to Exercise 18-14 on page 393, an XML tree of Bubble objects. (Note that this solution uses element attributes for x and y coordinates; this was not the format provided in Exercise 18-14 on page 393 since we had not yet learned about attributes.)"
"In ???, we used a Table to store information related to Bubble objects. An XML document can also be used in the same manner. Here is a possible solution to Exercise 18-14 on page 393, an XML tree of Bubble objects. (Note that this solution uses element attributes for x and y coordinates; this was not the format provided in Exercise 18-14 on page 393 since we had not yet learned about attributes.)"