310-080 Sun - Braindumps.com.ua: question list for "Sun Certified Web Component Developer for the Java 2 Platform, Enterprise Edition 1.3", page: 8

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Sun 310-080: Sun Certified Web Component Developer for the Java 2 Platform, Enterprise Edition 1.3

#71. Which declares the current JSP page to be an error page?

#72. Given:

 11. public class Acc1 extends HttpServley 
 implements SingleThreadModel { 
 12. private StringBuffer bar = new StringBuffer(“bar”); 
 13. private static StringBuffer xyz = new StringBuffer(); 
 14. public void doPost(HttpServletRequest req, 
 HttpServletResponse resp) { 
 15. StringBuffer Examsheets = new StringBuffer(“Examsheets”); 
 16. HttpSession session = req.getSession(): 
 17. } 
 18. }

Which three variables reference objects that are thread-safe? (Choose three)

#73. If a servlet is designed to execute in single-threaded mode as part of a distributed Web application, which is true?

#74. Given:

 public class ExamsheetsServlet extends GenericServlet 
 implements SingleThreadModel { 
 public void doPost 
 (ServletRequest req, ServletRespone resp) { 
 } }

Which is true?

#75. You are developing a Web application to provide inventory management for a wine store. The application will require an Inventory class, to manage the whole store inventory, and an InventoryItems class, to represent the specific information about an item in the inventory. The InventoryItem class has the following goals:
• The information is an InventoryItem object is immutable.
• The inventory data is stored in a remote server.
• The InventoryItem will be referenced multiple times in the same JSP.
Which design pattern matches the goals of the InventoryItem class?

#76. Which J2EE design pattern unifies and simplifies workflow by interpreting user request and dispatching screen from a single point?

#77. As a programmer at Examsheets Inc you are developing a Web application that must load information from several different sources, including databases and XML files.
Which design pattern is intended to support this functionality?

#78. Which J2EE design pattern provides flexible, extensible access to data and other resources?

#79. Given this code from the doGet method, where response is an HttpServletResponse:

 12. response.setStatus(HttpServletResponse.SC_MOVED_TEMPORARILY); 
 13. response.setHeader(“Location”, “http://www.Examsheets.net”);

Which is equivalent?

#80. Given:

 1. public class ServletExamsheets extends HttpServlet { 
 2. public void doGet(HttpServletRequest request, 
 3. HttpServletResponse response) 
 4. throws ServletException, IOException 
 5. { 
 6. try { 
 7. Integer.parseInt(“one”); 
 8. } catch(Exception e) { 
 9. String message = “Caught exception”; 
 10. 
 11. } 
 12. } 
 13. }

Which two, inserted individually at line 10, will place a descriptive message and the stack trace of the caught exception in the servlet log file? (Choose two)

[1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] ... [16]

gen. 0.166

Server date 05:38 10-01-2009

Sun 310-080

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