INTERVIEW QUESTIONS J2EE SERVLET DETAILS

Question: I can do every thing using jsp itself,then what is the need of using servlet?
in which situation ,we must use servlet with jsp?

Answer: We cann't implements interface in Jsp but it is in the servlet. Yes, it is true, we can every thing in JSP as in the servlet. But, Jsp is always used for design layout or view whereas the servlet is used to code the business logic.

Why is it in servlet? Because Servlet is the .java file and we simply write the java code for controlling the business. The servlet is controlled by web container and it creates it multiple instances automatically.

We cann't implements interface in Jsp but it is in the servlet. Yes, it is true, we can every thing in JSP as in the servlet. But, Jsp is always used for design layout or view whereas the servlet is used to code the business logic.

Why is it in servlet? Because Servlet is the .java file and we simply write the java code for controlling the business. The servlet is controlled by web container and it creates it multiple instances automatically.
Source: CoolInterview.com

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