Servlet or jsp for online ordering system?

i'm new to servlet and jsp. i'm going to develop and online ordering which is still thinking to use servlet or jsp. If i want to develop a web-based ordering system with nice interface and most data will be retrieve from database, should i go for jsp? If choose servlet, will servlet able to do what jsp able to do?
thanks

If you're going to use JSP, only use it to produce HTML output. For complex logic like database access, use servlets. I suggest you have a look at this tutorial:
http://java.sun.com/j2ee/tutorial/1_3-fcs/doc/Servlets.html

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