Manipal University 2009 B.E Computer Science and Engineering University: ; : ; Title of the : Java Enterprise Edition ( ) - Question Paper
MANIPAL INSTITUTE OF TECHNOLOGY
(Constituent Institute of Manipal University)
MANIPAL 576104
7th SEMESTER exam
Nov - 2009
SUBJECT : JAVA ENTERPRISE EDITION [JEE-CSE 403.6]
(REVISED CREDIT SYSTEM)
TIME : three HOURS MAX.MARKS : 50
Summary: This is a regular term ques. paper of year 2009 of J2EE subject and it will help the students expertise on the subject and will add to their knowledge.
SEVENTH SEMESTER EXAMINATION Nov - 2009
SUBJECT : JAVA ENTERPRISE EDITION [JEE-CSE 403.6] (REVISED CREDIT SYSTEM)
TIME : 3 HOURS MAX.MARKS : 50
Note: 1. Answer any five full questions .
1 a) With a neat diagram explain the architecture of JEE? 3
b) Explain the directory structure of a WEB application? 2
c) What is the difference between a web server and an application server? 2
d) Given the following HTML form, what will be the result upon pressing submit button? (Mention if the result is error or not, if no error -method used and parameters passed)?
3
<form action="/servlet/Register">
<input type="text" name="fullName" value="Type name here" />
<input type="submit" name="sbmButton" value="OK" />
</form>
2 a) What is a JSP? Explain the life cycle of JSP? 1+2=3
b) What is the result of attempting to access the following JSP page? 2
<%@ page language="java" %>
<html>
<head><title>Question 2 b</title></head>
<body>
<h1>Question 2 b</h1>
<%!public void _jspService(HttpServletRequest request, HttpServletResponse response) { out.write("A");
} %>
<% out.write("B"); %>
</body>
</html>
c )Group the following JSP directives in to valid or invalid ?Justify the same. 5
i <%@page isELignored = false %>
ii <%@ page session=the/ is okay true %>
iii <%@ page contentType=image/music/text %>
iv <%@include uri=header.jsp %>
v <%@ taglib prefi x=mytags uri=http://www.sun.com /taglibs/mytags %>
3 a ) What are the advantage of servlets over other common server extension mechanism ?
3
b) Given the following deployment descriptor (dd)and servlet ,What is the result of loading the web-app with the dd and attempting to execute the servlet? 2 marks <web-app>
<context-param>
<paramname>author</paramname>
<paramvalue>Elmore Leonard</paramvalue>
</context-param>
</web-app>
public class ContextInitParms extends HttpServlet { protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter(); out.write(" <HTML><HEAD></HEAD><BODY>");
ServletContext sc = getServletContext();
out.write(sc.getInitParameter("auther"));
out.close();
}
}
c) State whether the following statement is true or false with proper justification- Attempt of execution of the above servlet code (refer 3 .b) will result in throwing exceptions. 2
d) What are the different types of the jdbc drivers ? 3
4 a ) Explain MVC architecture relating to J2EE? 3 b ) Explain the basic and form based authentication? 3
c ) What is struts ?How struts works ?What is the role of configuration file in struts ?
1+2+1=4
5 a) What are the different types of enterprise Beans ? 3
b) What are the transactional attributes that EJB supports? 2
c) What is the difference between java bean and EJB? What is new in EJB 3.0 ?
3+ 2 =5
6 a) Explain the architecture of hibernate with the help of neat diagram ? 4+1 =5
b) What is persistence ?Explain the usage of persistence in object oriented applications ?
1 +4 =5
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