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 : 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 : 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()

C - Header.getParameterNames()

D - None of the above.

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?

A - Header.getPathInfo()

B - response.getPathInfo()

C - request.getPathInfo()

D - None of the above.

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 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.

Answer : B

Explaination

response.addCookie(cookie) adds the specified cookie to the response and can be used to write a cookie.

Q 7 - Which of the following code can be used to set the locale of the response?

A - request.setLocale(locale)

B - response.setLocale(locale)

C - header.setLocale(locale)

D - None of the above.

Answer : B

Explaination

response.setLocale(locale) sets the locale of the response.

Answer : A

Explaination

Create cookie using new operator on Cookie class.

Q 9 - Which of the following way can be used to keep track of previous client request?

A - Using cookies.

B - Using hidden form fields.

C - Using URL rewriting.

D - All of the above.

Answer : D

Explaination

All of the above can be used to keep track of previous client request.

Answer : A

Explaination

You can call public void setMaxInactiveInterval(int interval) method of session to set the timeout for a session individually.

servlets-questions-answers.htm
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