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Servlet Lifecycle in Java Application Programming

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Questions and Answers

What is the purpose of the destroy() method in the servlet lifecycle?

To release the servlet's resources before unloading (correct)
To delegate the request to doGet() or doPost() methods
To initialize the servlet with configuration details
To create a response object for the client

What is the configuration file where servlet initialization parameters are read from?

web.xml (correct)
ServletConfig.java
HttpSession.java
ServletAPI.properties

How do client requests interact with servlet instances?

Client requests are handled by a single instance of the servlet (correct)
Each client request creates a new instance of the servlet
Client requests are handled by multiple instances of the servlet
Client requests are not related to servlet instances

What is the purpose of the service() method in the servlet lifecycle?

To delegate the request to doGet() or doPost() methods (C) Signup and view all the answers

What is the package responsible for http requests only in the Servlet API?

javax.servlet.http (A) Signup and view all the answers

What is the method used by the servlet to create a response object for the client?

Both java.io.PrintWriter and javax.servlet.ServletOutputStream (D) Signup and view all the answers

What is the purpose of the init() method in the Servlet interface?

To initialize the servlet with the ServletConfig object (C) Signup and view all the answers

Which of the following interfaces is used to track sessions in a Java web application?

HttpSession (C) Signup and view all the answers

What is the purpose of the ServletConfig object in the Servlet interface?

To provide configuration information to the servlet (B) Signup and view all the answers

In which package can the HttpSession interface be found?

javax.servlet.http (C) Signup and view all the answers

What is the correct order of the methods in the Servlet lifecycle?

init(), getServletConfig(), getServletInfo(), service(), destroy() (A) Signup and view all the answers

What is the purpose of the web.xml file in a Java web application?

To configure the servlet container (C) Signup and view all the answers

What is the purpose of the log method in the GenericServlet class?

To write a message in the servlet log file (C) Signup and view all the answers

What is the purpose of the service method in the HttpServlet class?

To dispatch the request to the protected service method (B) Signup and view all the answers

What is the purpose of the web.xml configuration file?

To configure the servlet initialization parameters (C) Signup and view all the answers

Servlet Lifecycle in Java Application Programming

Choose a study mode

Podcast

Questions and Answers

What is the purpose of the destroy() method in the servlet lifecycle?

What is the configuration file where servlet initialization parameters are read from?

How do client requests interact with servlet instances?

What is the purpose of the service() method in the servlet lifecycle?

What is the package responsible for http requests only in the Servlet API?

What is the method used by the servlet to create a response object for the client?

What is the purpose of the init() method in the Servlet interface?

Which of the following interfaces is used to track sessions in a Java web application?

What is the purpose of the ServletConfig object in the Servlet interface?

In which package can the HttpSession interface be found?

What is the correct order of the methods in the Servlet lifecycle?

What is the purpose of the web.xml file in a Java web application?

What is the purpose of the log method in the GenericServlet class?

What is the purpose of the service method in the HttpServlet class?

What is the purpose of the web.xml configuration file?

What is the purpose of the doGet method in the HttpServlet class?

What is the purpose of the ServletConfig interface?

What is the purpose of the doHead method in the HttpServlet class?

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