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 doGet() method of servlet gets called?
A - A GET request results from a normal request for a URL.
B - The service() method checks the HTTP request type as GET and calls doGet() method.
Answer : C
Explaination
A GET request results from a normal request for a URL or from an HTML form that has no METHOD specified and it should be handled by doGet() 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 - Which of the following is true about destroy() method of servlet?
A - After the destroy() method is called, the servlet object is marked for garbage collection.
B - The servlet is terminated by calling the destroy() method.
Answer : C
Explaination
The servlet is terminated by calling the destroy() method. After the destroy() method is called, the servlet object is marked for garbage collection.
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 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 retrieves the fully qualified name of the client making this request?
Answer : A
Explaination
request.getRemoteHost() returns the fully qualified name of the client that sent the request.
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 preferred buffer size for the body of the response?
A - response.setBufferSize(size)
B - request.setBufferSize(size)
Answer : A
Explaination
response.setBufferSize(size) sets the preferred buffer size for the body of the response.
Q 8 - How to create a cookie in servlet?
B - Use request.getCookie() method
Answer : A
Explaination
Create cookie using new operator on Cookie class.
Q 9 - Which of the following code is used to get an attribute in a HTTP Session object in servlets?
A - session.getAttribute(name)
B - session.alterAttribute(name)
Answer : A
Explaination
session.getAttribute() returns the object bound with the specified name in this session, or null if no object is bound under the name.
Q 10 - Which of the following code is used to get language name in servlets?
A - response.getDisplayLanguage()
B - Locale.getDisplayLanguage()
Answer : C
Explaination
request.getDisplayLanguage() returns a name for the locale's language that is appropriate for display to the user.
