About Java Servlet Life Cycle
Servlet Life Cycle:- There are three methods which describe the Servlet Life Cycle. init() Method:- When servlet class is instantiate, servlet container called ths init() method. The init() method is being called before receiving any request by servlet container. init() method takes ServletConfig object as a parameter and throw exception ServletException. Signatute of this method is public void init(ServletConfig config) throws ServletException . service() Method:- When servlet is instantiate properly. Servlet container called the service() method. This method handle the client request and give the response back to the client. service() method takes two parameter named ServletRequest and ServletResponse and throw ServletException and IOException. Signatute of this method is public void service(ServletRequest req, ServletResponse res) throws ServletException, IOEx...