examin given object design appropri produc item add offend design materi design list basic simpl statement reli predic determin appropri feedback item produc item predic item pair method simpl convient critic sophist critic produc item critiqu produc item contain inform comput predic overrid critiqu overrid method critiqu critic predic critic item param dm design materi param dsgr design critiqu object dm design dsgr follow debug line singl memori consum line argo uml alloc approxim memori alloc suggest solut check log debug method us instead us call linu just comment log debug appli critic headlin predic dm dsgr log debug predic return creat item item item item dm dsgr post item item dm dsgr 