Servlet Lifecycle

Stage	Purpose	When it happens	Can be Overridden
init()	Initialize servlet before client request	After the servlet instance is created	Possibly, when you have an initialization code
service()	determine the HTTP method (Get/post)	When the client's request comes in	No, unlikely
doget() dopost	Initialize servlet before client request	Invoked by service() whether the method is post or get	Always. this where the programmer's work is suppose to be in