Download Android App in your Android Device from Google Play Store
- Search for "Withoutbook Practice Exam Test" in Mobile/Tablet Play Store
Practice InterviewNew Search by Name or Email

Exams Attended

Make Homepage

Bookmark this page

Subscribe Email Address

Servlets Interview Questions and Answers

Ques. Can you explain in detail "javax.servlet" package?
Ans. javax.servlet package has interfaces and classes which define a framework in which servlets can operate. Letís first make a walk through of all the interfaces and methods and its description.

Interfaces in javax.servlet :-
Servlet Interface This interface has the init( ), service( ), and destroy( ) methods that are called by the server during the life cycle of a servlet. Following are the method in Servlet interface :- void destroy( ):- Executed when servlet is unloaded from the web server memory. ServletConfig getServletConfig() :- Returns back a ServletConfig object that contains initialization data. String getServletInfo( ):- Returns a string describing the servlet. init method :- Called for first time when the servlet is initialized by the web server. void service() method :- Called to process a request from a client. ServletConfig Interface This interface is implemented by the servlet container. Servlet can access any configuration data when its loaded. The methods declared by this interface are summarized here: Following are the methods in ServletConfig interface:- ServletContext getServletContext():- Gives the servlet context. String getInitParameter(String param):- Returns the value of the initialization parameter named param. Enumeration getInitParameterNames() :- Returns an enumeration of all initialization parameter names.

String getServletName() :- Returns the name of the invoking servlet.
Is it helpful? Yes No

Most helpful rated by users:

©2019 WithoutBook