Object Oriented Software Engineering Practical software development using UML and Java By Timothy C Lethbridge and robert Laganiere McGraw-Hill 2001 Intemational ISBN 0-07-709761-0 US ISBN0-07-283495-1 Public Answers to Selected Exercises- Version 1.9(August, 2002) o 2002 Timothy C Lethbridge and Robert Laganiere The following contains answers to a subset of the exercises in the book, along with explanations of some aspects of the answers. In some cases the provided answers are more detailed those that would be expected from students. Also note that some questions are subjective, so readers may have responses different from those written here The answers provided here are publicly available on the website so as to enable students to practise. Generally speaking, the answers given here are parts a of multi-part questions; in exercises with many parts, answers may also be given to parts c and e. The full set of answers is only available to instructors as a separate password-protected document le update these answers from time to time, adding improved explanations, altemative answers, and extra exercises. You can contact us at tcl@site. ottawa. ca with suggestions. Items which we plan to complete or augment at a later date are marked in green Pleaselookatourwebsite(www.llosengcom)forotherinformationaboutthisbookincluding a knowledge base containing many of the basic facts from the book Videos of Tim Lethbridge presenting lectures based on the book The slides that have been prepared for professors who teach using the bookO bj ect O ri e ntedSo ftw ar e E ng in e er in g : P ra cti ca l softw a red e ve lo p me nt usin gU MLan d Java By Timothy C. L e thbr idge a nd Robe rt La ga niè re McG ra w -H ill 2001 I nter national I SBN0- 07-709761- 0 U S ISBN 0- 07- 283495- 1 PublicA ns wer s t o Se lec te d Exe r cise s–Ve rs ion 1 .9(A ugust , 2 00 2) © 2002 T imothy C. Le thbridgea nd Rober t L aganièr e T he f ollow ing c ontains answe rs to a subse t of t hee xer cises in the book, a long w ith e xpla nations of some aspe c ts of the a nswe r s. I n somec ase s theprovided answ e rs a r e mor e de taile d those tha t would bee xpe cted fr om stude nts. Also notethat some que stions a resubjec tive, so r e ader s may ha vere sponses diff e re nt fr om those w ritte n her e. T hea nsw er s provided he re ar e public ly a vaila ble on the we bsite so a s to ena ble stude nts to pra c tise . G ene ra lly spe a king, the a nsw er s give n he r e ar e par ts a of multi-pa rt questions; in exe rc ise s with ma ny pa r ts, a nswe r s ma y a lso be given to par ts c and e . T hef ull se t ofansw e rs is only a va ila bleto instr uctor s a s asepa ra tepa ssw or d- prote c te d doc ume nt. W e update the se answ e rs f r om time to time , adding improved e xplana tions, alter na tive a nswe r s, a nd extrae xer cises. Y ou c an c ontac t us a t tcl@site .uottaw a .c a with sugge stions. I tems w hich we plan to c omple te or a ugment a t a late r da te ar e mar ke d in gre en. Ple aselook a t ourw e b site (w ww .lloseng.c om)f orothe rinf ormation a bout this book, inc luding: • Aknow le dgeba sec ontaining many of thebasic fa c ts f r om the book • V ide os ofT im Le thbridgepre senting le c ture s base d on the book. • T heslide s tha t ha ve be e n pr e pa re d f orpr of e ssor s w ho te ac h using thebook