السلام

اخواني انا اعرف مضمون كل من jsp & servlet لكن سؤالي لو كنت ببرمج شغله معينه متى اقدر اقول استخدم jsp 0r servlet

يعني عند برمجة اي نظام متى اقدر اقول هالنظام يصلحله servlet او يصلحله jsp

Did you mean when you can use Jsp or servlet

First:Jsp will convert at last to servlet to .class and JSP doesn't give you anything that you couldn't do with a servlet but it is more easier to write HTML than to have a billion println statements that generate the HTML
Second :about when you need to use J2EE Technology there are many reasons for this
1. Your page is based on Data submitted by user
2. Your Data is Dynamic not Static (Changes frequently like news
3. your web pages deal with Database whether insert or get Data from it