Advance java MCQ

Quiz

 

1. How constructor can be used for a servlet?
   
   1.   Initialization
   2.   Constructor function
   3.   Initialization and Constructor function
   4.   Setup() method
2. Can servlet class declare constructor with ServletConfig object as an argument?
   
   1.   True
   2.   False
3. What is the difference between servlets and applets?
   
   1. Servlets execute on Server; Applets execute on browser
   2. Servlets have no GUI; Applet has GUI
   3. Servlets creates static web pages; Applets creates dynamic web pages
   4. Servlets can handle only a single request; Applet can handle multiple requests
4. Which of the following code is used to get an attribute in a HTTP Session object in servlets?
   
   1.   session.getAttribute(String name)
   2.   session.alterAttribute(String name)
   3.   session.updateAttribute(String name)
   4.   session.setAttribute(String name)
5. Which method is used to get three-letter abbreviation for locale’s country in servlets?
   
   1.   Request.getISO3Country()
   2.   Locale.getISO3Country()
   3.   Response.getISO3Country()
   4.   Local.retrieveISO3Country()
6. Which of the following code retrieves the body of the request as binary data?
   
   1.   DataInputStream data = new InputStream()
   2.   DataInputStream data = response.getInputStream()
   3.   DataInputStream data = request.getInputStream()
   4.   DataInputStream data = request.fetchInputStream()
7. When destroy() method of a filter is called?
   
   1.   The destroy() method is called only once at the end of the life cycle of a filter
   2.   The destroy() method is called after the filter has executed doFilter method
   3.   The destroy() method is called only once at the begining of the life cycle of a filter
   4.   The destroyer() method is called after the filter has executed
8. Which of the following is true about servlets?
   
   1.   Servlets execute within the address space of web server
   2.   Servlets are platform-independent because they are written in java
   3.   Servlets can use the full functionality of the Java class libraries
   4.   Servlets execute within the address space of web server, platform independent and uses the functionality of java class libraries
9. How is the dynamic interception of requests and responses to transform the information done?
   
   1.   servlet container
   2.   servlet config
   3.   servlet context
   4.   servlet filter
10. Can servlet class declare constructor with ServletConfig object as an argument?
    
    
    1.   True
    2.   False