Servlet Examples in Java

Question : What is Servlet ? How Servlet Work?

Ans : Servlet is a platform Independent Java Based Server site Web Technology for dynamic contents to the client, It work on the principal of oops Technology. 

It is important to learn how servlet works for understanding the servlet well. Here, we are going to get the internal detail about the first servlet program.
The server checks if the servlet is requested for the first time.
If yes, web container does the following tasks:

• loads the servlet class.

• instantiates the servlet class.

• calls the init method passing the ServletConfig object

• calls the service method passing request and response objects

elseThe web container calls the destroy method when it needs to remove the servlet such as at time of stopping server or undeploying the project.




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