- 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 init() method of servlet gets called?
A - The init() method is called when the servlet is first created.
B - The init() method is called whenever the servlet is invoked.
Answer : A
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. So, it is used for one-time initializations, just as with the init method of applets.
Q 2 - Which of the following is true about HTTP Get method?
A - The GET method sends the encoded user information appended to the page request.
B - The GET method is the defualt method to pass information from browser to web server.
Answer : C
Explaination
The GET method sends the encoded user information appended to the page request. It is the defualt method to pass information from browser to web server.
Q 3 - Which of the following code is used to get names of the parameters in servlet?
A - request.getParameterNames()
B - response.getParameterNames()
Answer : A
Explaination
request.getParameterNames() returns an Enumeration of String objects containing the names of the parameters contained in this request.
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 encodes the specified URL for use in the sendRedirect method?
A - response.encodeRedirectURL(url)
B - request.encodeRedirectURL(url)
Answer : A
Explaination
response.encodeRedirectURL(url) encodes the specified URL for use in the sendRedirect method or, if encoding is not needed, returns the URL unchanged.
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 code can be used to set the content type for the body of the response?
A - request.setContentType(type)
B - response.setContentType(type)
Answer : B
Explaination
response.setContentType(type) sets the content type for the body of the response.
Q 8 - Which of the following is true about init() method of filter?
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 filter 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 filter.
Q 9 - Which of the following code is used to update an attribute in a HTTP Session object in servlets?
A - session.setAttribute(name,value)
B - session.alterAttribute(name,value)
Answer : A
Explaination
session.setAttribute() binds an object to this session, using the name specified.
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.