Periyar University 2006 B.Sc Computer Science INTERNET AND JAVA PROGRAMMING - Question Paper

B.ScCComp. ScienceVB.C.A. DEGREE EXAMINATION, APRIL/MAY 2006.
Sixth Semester
INTERNET AND JAVA PROGRAMMING
Time : 3 hours Maximum : 100 marks
PART A — (10 x two = 20 marks)
ans ALL ques..
1. What is intranet?
2. What is the advantage of using E-MAIL.
3. What is polymorphism?
4. Define : Method.
5. What is overloading?
6. What are the different constructor modifiers?
7. What is multi threading?
8. What is the use of this operator in JAVA?
9. what is the difference ranging from the
applet and an application?
10. What is the graphics class?
PART B — (5 x four = 20 marks) ans ALL ques..
11. (a) Write short notes on e-mail security.
Or (b) elaborate the advantages of online chatting?
12. (a) elaborate the operators used in JAVA?
Or
(b) Write a program in Java to print the 1st ten natural numbers (using for loop).
13. (a) Write a program to accept and display the
elements of an array.
Or
(b) Write short notes on Multiple inheritance.
14. (a) What are the advantages of multithread
programming?
Or
(b) Write short notes on managing errors.


used while writing applets?
Or
(b) Write an applet to draw a circle.
PART C — (5 x 12 = 60 marks) ans ALL ques..
16. (a) discuss in detail about public key
cryptography.
Or
(b) discuss in detail about the concepts of conferencing.
17. (a) Write short notes on switch () case statement.
discuss it with a simple Java program.
Or
(b) Write a simple Java program to obtain the provided number is prime or not.
18. (a) Write a Java program to sort the provided set of
numbers in ascending order.
Or
(b) discuss any 5 methods in Java which allows to manipulate string Buffer objects with example.
19.(a0 Write a java program to illustrate the
c;oncept of multithreading.
Or
(b) How do you create user exception? discuss with suitable program segment.
20. (a) Write a Java program for the preparation of BIO-DATA of a person using applet.
Or
(b) discuss in detail about the procedure for managing input/output files

Earning:   Approval pending.