This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
I have a very general question as i am a neophyte in java. I want to know what is difference between instances and threads in servlets/jsp. I want to know how does servlet handled multiple requests(simultaneous).