A View of the Two paradigms main Account credit perform transactio debit credit(debit(compute interes compute fees if checking if checking CheckingAccount Sav ings Accour then xxx then xxx if sav ings if savin compute interest compute interest then xxx then xxx compute fees etc etc www.lloseng.com O Lethbridge/Laganiere 2001 Chapter 2: Review of object Orientation 4© Lethbridge/Laganière 2001 Chapter 2: Review of Object Orientation 4 A View of the Two paradigms main perform transaction compute fees if checking then xxx if sav ings then xxx etc. compute interest if checking then xxx if sav ings then xxx etc. credit debit Account credit debit Sav ingsAccount compute interest compute f ees CheckingAccount compute interest compute f ees