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main use of servlet?

Mahesh Pinnamaneni
Ranch Hand

Joined: Jul 02, 2004
Posts: 100
hai buddies,
can u plz respond to this Q.
*what is the actual use of servlets where all the functionality which is done in servlets can be done by JSP
Gregg Bolinger
GenRocket Founder
Ranch Hand

Joined: Jul 11, 2001
Posts: 15286

Servlets are meant to be the Controller in the MVC design pattern and JSPs are meant to be the view.

The main purpose in using Servlets as the controller is to seperate the view from the logic. It makes code a lot cleaner and easier to maintain.

GenRocket - A Test Data Generation Platform
Julian Kennedy
Ranch Hand

Joined: Aug 02, 2004
Posts: 823
So, in an ideal world, page designers (with no programming skills) can just write JSPs containing no code, just tags that they and their GUI-based design tools understand.

That leaves us server-side programmers (who may have no talent for, or interest in, page design, i.e. me!) to write the code for servlets and beans and leave the arty-farty, pretty stuff to those who care.

William Brogden
Author and all-around good cowpoke

Joined: Mar 22, 2000
Posts: 12675
where all the functionality which is done in servlets can be done by JSP

Where did that turkey come from?
JSP are a way to make servlets that is optimized for writing HTML pages. In case you have not noticed, there is a lot more to the Internet than HTML pages.
If you want to serve binary data - images, sound, zip files, etc. servlets are the method of choice. Not to mention all the services such as SOAP that can be built on a servlet base.

Java Resources at
I agree. Here's the link:
subject: main use of servlet?
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