Servlet are the modules that run inside request/response oriented services .such as java enabled web servers.
AS they are java based they are more platform independent.
Eample:—
processing data passed over https using on html form ,including purchase order.
Allowing collection between people a servlet can handle multiple requests concurrently they can synchronizerequest to support system such as on line conferencing .
forwarding requests servlets can forward requests to other services and servlets.
different methods of servlets.:—–
1.doGet():- for handling get .conditional get requests
2.dopost():- for handling post requests .
3.do put():-for handling put requests.
4.do Delete():- for handling delete requests