VTU Previous Year Question Papers BE CS
Seventh Semester Java and J2EE January 2013
Note: Answer FIVE full questions, selecting at least TWO questions from each part.
1 a. List and explain The java buzzwords.
b. Haw arrays defined and used in Java?
C. Discuss the labeled break and continue statements.
2 a. What is meant by instance variable hiding? How to overcome it?
b. WAP in JAVA to implement a stack that can hold 10 integer values.
c. What is an exception? Give an example for nested try statements.
d. List Applet initialization and termination methods. Write a Java Applet that sets the background color to cyan and foreground color to red and outputs a string message “A simple Applet”.
3 a. What is multithreading? Write a program to create multiple threads in JAVA.
b. Discuss the significance of synchronization in Java.
c. Briefly explain the role of:
i) Act ion Event class ii) Adjustment Event class.
4 a. Differentiate between AWT and swings.
b. Explain the MVC architecture of swings.
c. Describe the different types of swing buttons.
5 a. Explain J2EE multitier architecture with a neat diagram.
b. Describe the various steps of JDBC process with code snippets,
c. What is meant by scrollable result set? Explain.
6 a. Write a program using servlet which contains HTML page to accept username and display greeting message as “Hello username, How are you?” in the browser window.
b. Briefly explain the following:
i) Servlet interface ii) Generic servlet class iii) Cookie class
c. illustrate the use of session information in servlets.
7 a. Define JSP. Explain the two types of control statements used in JSP by taking suitable examples.
b. Write a JSP program to create and read a cookie called 4 EMPID’7 that has a value of AN2356.
c. What is RMI? Briefly explain the working of RMI in JAVA.
8 a. Describe the concept of deployment descriptors.
b. Explain the functions of LJB transaction attributes.
c. Briefly discuss the significance of session Java Bean.