Servlets - Online Quiz


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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 : 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.

Answer : A

Explaination

javax.servlet.Servlet is an interface.

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

A - response.getWriter()

B - request.getWriter()

C - new PrintWriter()

D - None of the above.

Answer : A

Explaination

You call response.getWriter() method to get PrintWriter object in servlet.

Q 4 - Which of the following code retrieves the character encoding used in the body of this request?

A - new CharacterEncoding()

B - response.getCharacterEncoding()

C - request.getCharacterEncoding()

D - None of the above.

Answer : C

Explaination

request.getCharacterEncoding() returns the name of the character encoding used in the body of 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)

C - Header.encodeRedirectURL(url)

D - None of the above.

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.

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 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

response.addCookie(cookie) adds cookies in the HTTP response header.

Q 10 - Which of the following code is used to get language code in servlets?

A - response.getLanguage()

B - Locale.getLanguage()

C - request.getLanguage()

D - None of the above.

Answer : C

Explaination

request.getLanguage() returns the language code in lower case for this locale in ISO 639 format.

servlets-questions-answers.htm
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