Pondicherry University 2008 B.C.A Computer Application , JAVA PROGRAMMING - Question Paper

(Pondicherry university)
B.C.A DEGREE EXAMINATION, NOVEMBER 2008.

JAVA PROGRAMMING

PART-A (10*2=20 MARKS)

ans ALL ques.

1. Define an object
2. What are literals?
3. What are the instance variables?
4. Define constructors.
5. What are the static variables?
6. What is the use of break statement in repetitive structure?
7. Write the difference ranging from string and string buffer class.
8. What is an applet?
9. What is an event handling?
10. Define synchronization.


PART-B (5*6=30 MARKS)


ans ANY 5 ques.

11. How can an array be used in a program?
12. discuss the use of this keyword.
13. discuss the use of finalized () method.
14. How the multiple inheritances are achieved-in JAVA?
15. discuss how to make the priorities in threads.
16. What is an interface? Write the general format of declaring an interface.
17. Write any 5 methods available in string class.
18. discuss the use of Applet class.


PART-C (5*10=50 MARKS)

ans ALL ques.

19. (a) discuss briefly about nested control structures.
Or
(b) discuss the features of JAVA language.

20. (a) Write a program to display a multiplication table for n th term.
Or
(b) Write a JAVA program to sort ‘n’ numbers.

21.(a) explain about method overriding with a suitable example.
Or
(b) Demonstrate any 1 of the inheritance method in JAVA.

22. (a) How is the inter process communication done in JAVA?
Or
(b) Write a java program for any 3 events or mouse.

23. (a) Write a java program to draw a polygon.
Or
(b) discuss briefly about the different stream classes with suitable examples.


____________________

Earning:   Approval pending.