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 - Which of the following is true about servlets?
A - Servlets execute within the address space of a Web server.
B - Servlets are platform-independent because they are written in Java.
C - The full functionality of the Java class libraries is available to a servlet.
Answer : D
Explaination
All of the above stand true for servlets.
Q 2 - Which of the following code is used to set content type of a page to be serviced using servlet?
Answer : A
Explaination
You call response.setContentType() method to set content type of a page to be serviced using servlet.
Q 3 - Which of the following code is used to get names of the attributes in servlet?
A - response.getAttributeNames()
B - request.getAttributeNames()
Answer : B
Explaination
request.getAttributeNames() returns an enumeration containing the names of the attributes available to this request.
Q 4 - Which of the following code retrieves the request header?
A - Header.getHeaderName(headerName)
B - response.getHeader(headerName)()
Answer : C
Explaination
request.getHeader(headerName) returns the value of the specified request header as a String.
Q 5 - Which of the following code returns the port number on which this request was received?
Answer : B
Explaination
request.getServerPort() returns the port number on which this request was received.
Q 6 - Which of the following code can be used to add a date header?
A - response.addDateHeader(name,date)
B - request.addDateHeader(name,date)
Answer : A
Explaination
response.addDateHeader(name,date) adds a response header with the given name and date-value.
Q 7 - When init() method of filter gets called?
B - The init() method is called whenever the servlet being filtered is invoked.
Answer : A
Explaination
The init method is designed to be called only once. It is called by the web container to indicate to a filter that it is being placed into service.
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.
Answer : B
Explaination
HTTP is a stateless protocol which means each time a client retrieves a Web page, the client opens a separate connection to the Web server and the server automatically does not keep any record of previous client request.
Q 10 - Which of the following code is used to get language code in servlets?
Answer : C
Explaination
request.getLanguage() returns the language code in lower case for this locale in ISO 639 format.
