JNTU Previous Exam Papers B.Tech Middle ware Technologies Apr/May 2008

JNTU B.Tech II Semester Examinations, MIDDLEWARE TECHNOLOGIES,

Apr/May 2008

(Information Technology)

Time: 3 hours Max Marks: 80

SET-II

Answer any FIVE Questions

All Questions carry equal marks

1. Explain how Banking application works in Client/Server environment. [16]

 

2. (a) What is the use of Objects finalize method in garbage collection.

(b) Write a brief note on JDBC Java language extension of exceptions. [6+10]

 

3. (a) What is encapsulation. What is its significance. What are the limitations of it.

(b) How do you establish relationships among classes. [6+10]

 

4. With an example, explain how you connect to a database, query the database and display the results of a query. [16]

 

5. Write a program for multi count. [16]

 

6. Explain the unshared server and persistent server activation policy with necessary

figures. [16]

 

7. Explain a property editing scenario. [8+8]

 

8. (a) What is a toolable object.

(b) What is the purpose of RMI2IIOP compiler.

(c) Explain Bean-managed persistence. [6+5+5]

 

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