JavaRocks

SCWCD

Question 26

16 To send binary output to response, which method of HttpServletResponse is used to get the Writer/ Stream object ?  
 
     A    getStream       
     B    getWriter       
     C    getBinaryOutputStream       
     D    getOutputStream       
     E    getBinaryStream 
    
Answer
D
The getOutputStream is used for sending binary data. The getWriter is used for sending character data only.

Question 27

17 <%@ page language ="java" session="false" isErrorPage="false" %>
which of the following JSP implicit object will not be available to the JSP page ? Select two  
 
     A    session        
     B    request        
     C    application       
     D    exception      

Answer
A and D
Since we are disabling the session by using session="false", session will not be available. And since this page is not an error page , so exception also will not be available.

Question 28

18 Which among the following will compile ?
   
     A    <% int x=10 %>        
     B    <%= "hello how are you" %>       
     C    <%= "hello" ;% >       
     D    <%! int x=10 %>       
 
Answer
B
Option B is the correct choice. A is in correct because there is no semi colon present. The same rule applies to option D also. Option C is in correct because of semi colon.

Question 29

19 In a JSP custom tag , which method would you use to access JSP implicit variable that references application scope ?  
 
     A    PageContext.getOut()                      
     B    jspFactory.getPageContext()       
     C    TagSupport.getValue(String)       
     D    pageContext.getServletContext()       
         
Answer
D

Question 30

20 Which method is used to retrieve objects from session?  
 
     A    getAttribute method of javax.servlet.ServletSession.  
     B    getAtrribute method of javax.servlet.HttpSession  
     C    getAttribute method of javax.servlet.http.Session
     D    getAttribute method of javax.servlet.http.HttpSession
     E    getAttribute method of javax.servlet.HttpSession

Answer
D
All other answers are invalid because no such classes present.

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