How Many Objects of a Servlet Is Created

1) How many objects of a servlet is created? Only one object at the time of first request by servlet or web container.

How many instances of servlet are created?

Only one instance will be created for every servlet. Generally servlet instantiation is done by the container. But based on the number of requests coming to the servlet that much no. of threads are created.

How many threads are created in servlet?

One thread serves the whole request. Thread per connection would be the same thing except the thread is used for an entire connection, which could be multiple requests and could also have a lot of dead time in between requests. Servlet containers are thread per request.