What is servlet in java?.And please state it's use.

Answer 1

It's a JEE component and it is a miniature server, responding to HTTP requests in its service method.

I recommend Thinking in Java, 2nd edition for a good, if outdated description of them.

Answer 2

if u want to make dynamic page then u should use servlet..like if u open a site and there is blog then it is static page..but if u want to check ur semester result then it will input from you and will provide corresponding output