Table 2: Details of subject programs.

Subject program nameNumber of classesNumber of methods Lines of code

C r e d i t C a r d P a y m e n t 4 16 209
P a p e r R e g i s t r a t i o n 5 36 384
P I N V a l i d a t i o n 4 21 295
M a k e C a l l 6 43 478