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.

Questions and Answers

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.

Answer : A

Explaination

The destroy() method is called only once at the end of the life cycle of a servlet.

Q 3 - Which of the following code is used to get cookies in servlet?

A - response.getCookies()

B - request.getCookies()

C - Cookies.getCookies()

D - None of the above.

Answer : B

Explaination

request.getCookies() returns an array containing all of the Cookie objects the client sent with this request.

Q 4 - Which of the following code retrieves the context of the request?

A - new ClassContextPath()

B - request.getContextPath()

C - response.getContextPath()

D - None of the above.

Answer : B

Explaination

request.getContextPath() returns the portion of the request URI that indicates the context of the request.

Q 5 - Which of the following code indicates whether the response has been committed?

A - response.isCommitted()

B - request.isCommitted()

C - Header.isCommitted()

D - None of the above.

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)

C - header.sendRedirect(location)

D - None of the above.

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)

C - header.setBufferSize(size)

D - None of the above.

Answer : A

Explaination

response.setBufferSize(size) sets the preferred buffer size for the body of the response.

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 add an attribute in a HTTP Session object in servlets?

A - session.addAttribute(name,value)

B - session.setAttribute(name,value)

C - session.createAttribute(name,value)

D - None of the above.

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 get three-letter abbreviation for this locale's country in servlets?

A - request.getISO3Country()

B - Locale.getISO3Country()

C - response.getISO3Country()

D - None of the above.

Answer : A

Explaination

request.getISO3Country() returns a three-letter abbreviation for this locale's country.

servlets-questions-answers.htm
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