[1]What is a line of code (LOC)? Do you count a "{" as a line of code? For this comparison I selected a method of counting made easy by my word processor: I counted the number of ";" in the code.
[2]Originally firstVisit and second visit methods did not exist. They were added just to make each method fit on one slide. Hence I did not count them as methods for this comparison.
[3]This includes the abstract class