B.C.A-B.C.A Computer Application 4th Sem PROGRAMMING IN JAVA(Alagappa University, Karaikudi, Tamil Nadu-2011)
Wednesday, 24 July 2013 09:32Jebaprincy
Fourth Semester
Computer Applications/Information Technology
PROGRAMMING IN JAVA
[Common for Computer Applications/Information Technology]
(Non-CBCS—2004 onwards)
Time : 3 Hours Maximum : 100 Marks
Part A (10 × 1 = 10)
Answer all questions.
1. ———— contains data and code to manipulate that data.
2. ———— supports the concept of hierarchical classification.
3. An applet can run only within a ————.
4. ———— is a group of contiguous or related data items that share a common name.
5. A class that cannot be subclassed is called a ———— class.
6. ———— is a dynamic array which can hold objects of any type and any number.
7. Every applet has its own area of the screen known as ————, where it creates its display.
8. ————— is the method in which the thread’s behaviour can be implemented.
9. The ability of a language to support multithreads is referred to as ————.
10. When an applet is opened by the browser, the method ———— is automatically called
Part B (5 × 6 = 30)
Answer any five questions out of seven.
11. Explain Java Virtual Machine.
12. Discuss on general structure of a java program.
13. Write short notes on Type conversions.
14. Explain constructors with an example.
15. Explain the similarities between interfaces and classes.
16. Explain any four methods of Thread class.
17. Explain the Applet life cycle in detail.
Part C (5 × 12 = 60)
Answer any five questions.
18. Explain various control statements in Java with examples.
19. Write a Java program to find the sum of the series
2 4 6
sum 1 – – .....
2! 4! 6!
x x x using
(a) for loop.
(b) do – whole loop.
20. Write a Java program to arrange the given matrix of order m × n rowwise ascending order.
21. Explain interface in detail with an example.
22. Explain the life cycle of a thread.
23. Discuss about creating and designing a web page.
24. Write short notes on :
(a) Graphics class.
(b) Line Graphs.
25. Write a Java program to create a package named “Student”. Assume your own data.
| Earning: ₹ 4.45/- |
