- Servlets - Home
- Servlets - Overview
- Servlets - Environment Setup
- Servlets - Life Cycle
- Servlets - Examples
- Servlets - Form Data
- Servlets - Client Request
- Servlets - Server Response
- Servlets - Http Codes
- Servlets - Writing Filters
- Servlets - Exceptions
- Servlets - Cookies Handling
- Servlets - Session Tracking
- Servlets - Database Access
- Servlets - File Uploading
- Servlets - Handling Date
- Servlets - Page Redirect
- Servlets - Hits Counter
- Servlets - Auto Refresh
- Servlets - Sending Email
- Servlets - Packaging
- Servlets - Debugging
- Servlets - Internationalization
- Servlets - Annotations
Servlets - Online Quiz
Following quiz provides Multiple Choice Questions (MCQs) related to Servlets Framework. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.
Q 1 - Which of the following is true about init() method of servlet?
B - The init() method is not called again and again for each user request.
Answer : C
Explaination
The init method is designed to be called only once. It is called when the servlet is first created, and not called again for each user request. It simply creates or loads some data that will be used throughout the life of the servlet.
Q 2 - Which of the following method can be used to get the value of form parameter?
B - request.getParameterValues()
Answer : A
Explaination
You call request.getParameter() method to get the value of a form parameter.
Q 3 - Which of the following code is used to get session in servlet?
Answer : A
Explaination
request.getSession() returns the current session associated with this request, or if the request does not have a session, creates one.
Q 4 - Which of the following code retrieves any extra path information associated with the URL the client sent?
Answer : C
Explaination
request.getPathInfo() returns any extra path information associated with the URL the client sent when it made this request.
Q 5 - Which of the following code indicates whether the response has been committed?
Answer : A
Explaination
response.isCommitted() returns a boolean indicating if the response has been committed.
Q 6 - Which of the following code can be used to redirect user to different url?
A - request.sendRedirect(location)
B - response.sendRedirect(location)
Answer : B
Explaination
response.sendRedirect(location) sends a temporary redirect response to the client using the specified redirect location URL.
Q 7 - Which of the following is true about filters?
Answer : C
Explaination
Servlet Filters are Java classes that can be used to intercept requests from a client before they access a resource at back end and to manipulate responses from server before they are sent back to the client.
Q 8 - Which of the following is true about javax.servlet.error.request_uri?
Answer : D
Explaination
javax.servlet.error.request_uri attribute gives information about URL calling the servlet and it can be stored and analysed after storing in a java.lang.String data type.
Q 9 - Which of the following code is used to add an attribute in a HTTP Session object in servlets?
A - session.addAttribute(name,value)
B - session.setAttribute(name,value)
Answer : B
Explaination
session.setAttribute() binds an object to this session, using the name specified.
Q 10 - Which of the following code is used to set auto refresh of a page after 5 seconds?
A - session.setIntHeader("Refresh", 5)
B - response.setIntHeader("Refresh", 5)
Answer : B
Explaination
response.setIntHeader("Refresh", 5) sets refresh, autoload time as 5 seconds.