VTU Previous Year Question Papers BE CS Seventh Semester Java and J2EE June 2010

VTU Previous Year Question Papers BE CS Seventh Semester

Java and J2EE June 2010


Note: Answer any FIVE full questions, selecting  at least TWO questions from each part.         


1 a. Explain any five object oriented features supported by java, with examples.

b. Explain the salient features of java.

c. What is polymorphism? Explain with an example.

2 a. Explain the applet architecture and demonstrate how to pass parameters for fount size, font

name, and type conversion in applets.

b. What is an inner class? Write a program to demonstrate inner class.

c. Explain the java’s built in exceptions.

3  a. What is synchronization? What is role of synchronization in threads? Demonstrate a program using synchronized methods.

b. Explain the producer consumer problem with a program.

c. What is an adapter class? Demonstrate, with an example.

4 a. Briefly explain the containers and components in swings.

b. Explain the JScrollpane and JComboBox with a program.


5 a. Briefly explain the callable statement object. Write a program to call a stored procedure.

b.What is transaction processing? Write a program to execute a database transactions0 Marks)


6 a. What is a servlet? Explain the life-cycle of the servlet.

b. List out the differences between CGI and servlets.

c. What is a cookie? List out the methods defined by cookie. Write a program in HTML for adding a cookie.

7 a. What is JSP? Explain the different types of JSP tags.

b. What is RMI concept? Explain the server side and client side methods.

c. What are the advantages of JSP?

8 a. Briefly describe the enterprise java beans.

b. Differentiate between stateless and state ful session bean.

c. Explain the functions of EJB transaction attributes and write a program to set the transaction attribute.

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