Madurai Kamraj University (MKU) 2005 Post Graduate Diploma Computer Application JAVA PROGRAMMING - Question Paper

Time: 3 hours Maximum: 100 marks
PART A ans any 6 ques. (6 x five =30 marks)

1. explain all the Integer data kinds in Java.
2. Illustrate the use of 'Switch' statement in Java.
3. discuss the use of 'new' operator.
4. Illustrate the use of 'constructors'.
5. discuss the use of multiple 'catch' statements.
6. discuss how threads are synchronized.
7. discuss any 5 subclasses of author class.
8. discuss the idea of UDP based network communication.
9. Develop an applet which displays 'Hello, World'!
10. discuss how AWT helps GUI development.

PART B ans any 4 ques. (4 x 10 =40 marks)

11. discuss the ways of formatting the output.
12. discuss with a program, the usage of 'this’ keyword.
13. Illustrate how copy constructors are used.
14. discuss the use of any 5 classes in Java utility package.
15. discuss the life cycle of an applet.
16. discuss the way of using socket class.

PART C ans any 2 ques. (2 x 15 =30 marks)

17. Bring out the importance of 'inheritance' with the help of an example and write a
program based on the identical idea.
18. Write a Java Program to illustrate interface inheritance idea.
19. Illustrate with a program synchronizing the idea of threads in Java.

Earning:   Approval pending.