18 Questions
What is the purpose of the destroy() method in the servlet lifecycle?
To release the servlet's resources before unloading
What is the configuration file where servlet initialization parameters are read from?
web.xml
How do client requests interact with servlet instances?
Client requests are handled by a single instance of the servlet
What is the purpose of the service() method in the servlet lifecycle?
To delegate the request to doGet() or doPost() methods
What is the package responsible for http requests only in the Servlet API?
javax.servlet.http
What is the method used by the servlet to create a response object for the client?
Both java.io.PrintWriter and javax.servlet.ServletOutputStream
What is the purpose of the init() method in the Servlet interface?
To initialize the servlet with the ServletConfig object
Which of the following interfaces is used to track sessions in a Java web application?
HttpSession
What is the purpose of the ServletConfig object in the Servlet interface?
To provide configuration information to the servlet
In which package can the HttpSession interface be found?
javax.servlet.http
What is the correct order of the methods in the Servlet lifecycle?
init(), getServletConfig(), getServletInfo(), service(), destroy()
What is the purpose of the web.xml file in a Java web application?
To configure the servlet container
What is the purpose of the log method in the GenericServlet class?
To write a message in the servlet log file
What is the purpose of the service method in the HttpServlet class?
To dispatch the request to the protected service method
What is the purpose of the web.xml configuration file?
To configure the servlet initialization parameters
What is the purpose of the doGet method in the HttpServlet class?
To handle GET requests
What is the purpose of the ServletConfig interface?
To initialize the servlet
What is the purpose of the doHead method in the HttpServlet class?
To handle HEAD requests
Test your understanding of the Servlet lifecycle in Java application programming, including how servlets are loaded, configured, and handle client requests. Learn about the role of web.xml and the service() method in servlet requests.
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