How to upload a file to the server using servlet?
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What is war file?
Why servlet is mostly used?
Why is a constructor needed in a servlet even if we use the init method?
What is a parser. What does a parser do with a XML? Why do we need it?
What are the key methods that are involved in processing of http servlets?
How to pass JavaBeans data to JSP using Servlets?
Can we fetch the attributes related to a servlet on a different servlet?
What are all the ways for session tracking?
How many objects of a servlet is created?
What are the differences between forward() method and sendredirect() methods?
difference between request.getSession(false) or request.getSession() and request.getSession(true)
What are advantages of servlets over cgi?