???????????

???????????????????????????????????????????????? bug???????г?????Щ????????????????????????????????? Java ?????????Щ???????????????????

???????

????1??Javadoc ?????????????????????

????2????????????? bug???????? bug ID??

????3????????????????????????н????

????4?????????????????????????????????????

????5??????? HTML??JavaScript??CSS ??e????????

????????

????1?????????????????????Σ???e???д?????????????????????á?

????2????????? API ???????????д???????????????

????3??????????????????

????4???κ?????????????????е????

????5???????? Web ????JSP ????e??? Java ????

???????

????1???κδ????????????????????????????????????????? JavaScript ?? eval ?????? SQL ???

????2???????Щ???????????????????? IP??

????3???κ????????????з????????????????????

????4????????????? iframe??

????????

????1??????????????????????????????????????

????2??SQL ????д????????????????

????3???????????????immutable??????

????4????????????????????? if else ???????????????á?

????5??????????????????heavy objects????

????6??????? Web ?????????????????????????磬CSS sprites ?????????????????

????7???????????????????? application context ?С?

???????????

????1????б??????????????

????2????????? Exception ??ò???? catch ???????????? Exception ???????????

????3????????????????????????????????????

????4??????????д?????????????С?

????5????д????β??????ж??????

????6????????????????if????????????????

????7???????????????????ó???100?С?

????8????????????????ó?????????????????????????????С?

????9????? String ????????null???????÷????? if??“”.equals??str????

????10?????????к????????????????????????????????????????????????t?????????????????????????????

????11????????????????????????????????ж??? public??

????12?????????????????????????飬???? Spring??Struts??Hibernate??jQuery??

??????????Щ??????????????????鶴?????????? CheckStyle??FindBugs ?? JTest??