Pts the two pieces of code at right have the same

20. (3 pts) The two pieces of code at right have the same logical
functionality but different structure. Which statement is TRUE
about comparing them?
A. Version 1 exposes more testing seams
B. Version 1 has higher per-method cyclomatic complexity
C. Version 1 has a lower ABC score
D. Version 1 cannot be tested to 100% C2 coverage
# version 1:
def foo(x,y)
if x
if y
z()
end
else
if y
# version 2:
def foo(x,y)
if x
check_y_z(y)
else
check_y_w(y)
end
end
w()
end
end
end
def check_y_z(val)
z() if val
end
def check_y_w(val)
w() if val
end
As an example of procurement reform in government, Ray Ells’ software consultancy has been awarded a contract to
develop Casebook, a SaaS app to keep track of the status of civil court cases. Here's some notes from an early customer
interview:
● Each case has two parties: the plaintiff and the defendant.
● The same plaintiffs and defendants may be parties in more than one case. A party that is a plaintiff in one case

21. (3 pts) Which foreign keys would we expect to see in the Cases table? SELECT ALL THAT APPLY.
22. (3 pts) Which foreign key from the above would we expect to see in the Judges table? _____
23. (3 pts) Which foreign key from the above would we expect to see in the Documents table? _____
Which two ActiveRecord associations are required to support the query: "Return all the defendants whose cases have
been assigned to this judge"? (Answers have the form "X has many Y", "X belongs to Y", and so on. Be sure to use the
correct letter choices for each blank!)
24. (3 pts) Association #1 (pick THREE items): _________ __________ ________
[A, B or C] [D,E,F or G] [H, I or J]
25. (3 pts) Association #2: (pick FOUR items): _________ __________ ________ through _______
A JavaScript-enhanced Rails app includes a user-visible timer showing how long the user has been on each page. The
HTML elements for the timer are set as follows: