- 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 - When doPost() method of servlet gets called?
A - A POST request results from an HTML form that specifically lists POST as the METHOD.
B - The service() method checks the HTTP request type as POST and calls doPost() method.
Answer : C
Explaination
A POST request results from an HTML form that specifically lists POST as the METHOD and it should be handled by doPost() method. The service() method checks the HTTP request type (GET, POST, PUT, DELETE, etc.) and calls doGet, doPost, doPut, doDelete, etc. methods as appropriate.
Q 2 - What is javax.servlet.Servlet?
Answer : A
Explaination
javax.servlet.Servlet is an interface.
Q 3 - Which of the following code is used to get locale in servlet?
Answer : A
Explaination
request.getlocale() returns the preferred Locale that the client will accept content in, based on the Accept-Language header.
Q 4 - Which of the following code retrieves the request header?
A - Header.getHeaderName(headerName)
B - response.getHeader(headerName)()
Answer : C
Explaination
request.getHeader(headerName) returns the value of the specified request header as a String.
Q 5 - Which of the following code retrieves the part of this request's URL from the protocol name?
Answer : A
Explaination
request.getRequestURI() returns the part of this request's URL from the protocol name up to the query string in the first line of the HTTP request.
Q 6 - Which of the following code can be used to add a date header?
A - response.addDateHeader(name,date)
B - request.addDateHeader(name,date)
Answer : A
Explaination
response.addDateHeader(name,date) adds a response header with the given name and date-value.
Q 7 - Which of the following code can be used to set the character encoding for the body of the response?
A - response.setCharacterEncoding(charset)
B - request.setCharacterEncoding(charset)
Answer : A
Explaination
response.setCharacterEncoding(charset) sets the character encodinge for the body of the response.
Q 8 - When destroy() method of filter gets called?
A - The destroy() method is called only once at the end of the life cycle of a filter.
B - The destroy() method is called after the filter has executed doFilter method.
Answer : A
Explaination
The destroy() method is called only once at the end of the life cycle of a filter.
Q 9 - Which of the following code is used to delete a HTTP Session object in servlets?
Answer : A
Explaination
session.invalidate() invalidates this session and unbinds any objects bound to it.
Q 10 - Which of the following code is used to get country/region name in servlets?
A - request.getDisplayCountry()
B - Locale.getDisplayCountry()
Answer : A
Explaination
request.getDisplayCountry() returns the country/region name for the locale's country that is appropriate for display to the user.
