Java Servlets

Q 1 - What are Servlets?

A - Java Servlets are programs that run on a Web or Application server.

B - Java Servlets act as a middle layer between a request coming from a Web browser or other HTTP client and databases or applications on the HTTP server.

C - Both of the above.

D - None of the above.

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.

C - Both of the above.

D - None of the above.

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.

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.

Q 5 - Which of the following code indicates whether the named response header has already been set?

A - response.containsHeader(headerName)

B - request.containsHeader(headerName)

C - Header.containsHeader(headerName)

D - None of the above.

Q 6 - Which of the following code can be used to add a header with the given name and integer value?

A - request.addHeader(name,value)

B - response.addIntHeader(name,value)

C - Header.addDateHeader(name,value)

D - None of the above.

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.

Q 8 - Which element of web.xml is used to specify the error handler in servlets?

A - error-page

B - error-handler

C - exception

D - exception-handler

Q 9 - Which of the following code is used to get session id of a HTTP Session object in servlets?

A - session.getSessionId()

B - session.getId()

C - session.getActiveId()

D - None of the above.

Q 10 - Which of the following code is used to set auto refresh of a page after 5 seconds?

A - session.setIntHeader("Refresh", 5)

B - response.setIntHeader("Refresh", 5)

C - request.setIntHeader("Refresh", 5)

D - None of the above.

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Java Servlets

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