Osmania University (OU) 2006-2nd Sem M.Sc Computer Science ister SUB: JAVA - Question Paper

Section-A

1.what is method of overloading?Illustrate with an example.
2.Distinguish ranging from statement and callable statement.
3.What is JDBC driver? elaborate its functions.
4.What is abstract class? Illustrate its usage.
5.Enumarate the life-cycle methods of servlet? Indicate the function of every method.
6.What is session tracking?
7.What is an EJB container? elaborate its functions?
8.Distinguish ranging from Message producer and Message Consumer.

Section-B

9.(a) write a java program to implement a stack, the stack should double its size whenever it overflows.
(b) discuss event delegation model of java.
OR
(c) Illustrate creation of a tree in java, also discuss how to handle the events on a tree.
(d) Distinguish ranging from socket and server socket classes.

10.(a) What is JNDI ?illustrate with an example how you would retrieve attributes from an object using directory service.
OR
(b) discuss working of RMI.
(c) What is ResultSet?Explain how you the data into Result-set from the database and how you extract the data from the outcome set with an example.

11.(a) Distinguish ranging from a servlet and a JSP program.
OR
(b) What is a servlet session? Illustrate the creation of a session object.
(c) Briefly discuss about java mail.

12.(a) Distinguish ranging from session bean and entity bean with an example.
OR
(b) Brefly discuss the architecture of JMs.
(c) Illustrate with an examplee creation of a publisher and a subscriber using JMS API.

Earning:   Approval pending.