Servlet vs CGI

Servlets :

Servlet is a pure java file , which resides on server.

Servlet concept basically we are using for create web application (a pure java file, which resides on server).

Servlet container is responsible for creating objects.                   

Servlet creates only one object at the time of first request.

CGI :

Before Servlet technology , CGI technology used for creating web applications .

But , the problem in CGI technology is each request, it starts a new process.

Problems in CGI :

·         Response time of request is directly propertional to number of users .I mean if users increases , response time is very slow.

·         It is dependent on Platform.