JAVA April 2011 SAE4A /SAZ4A

University Name : Madras University
Name of the Degree : B.Sc
Title of the Paper : Programming in Java

APRIL-2011 SAE4A /SAZ4A

PART-A

1. Define: Encapsulation

2. List the rules for identifiers in Java.

3. Write a note on: Increment and Decrement Operators.

4. Give the general form of switch statement.

5. Write the use of extends keywords.

6. What is an interface?

7. How do we start a thread?

8. What are Run-Time Errors?

9. How to draw lines in Java? Give an example.

10. Write a note on: Input Stream Class.

11. What is the significance of the accept() method of the ServerSocket class?

12. What is Border Layout?

PART-B

13. Discuss about Java constants with example.

14. Write short notes on: Data types in Java.

15. What are constructors? Discuss about the usage of constructors with examples.

16. Write a Java Program to print Alphabetical ordering of strings.

17. Write short notes on: Common Java Exceptions.

18. Discuss briefly about character stream classes.

19. What are the important methods in the URL class? Discuss briefly.

PART-C

20. Write a Java Program to find the sum of the following Harmonic series for a given value of n:

1+1/2+1/3+…….+1/n

21. What is meant by single inheritance? Explain this with an example Java Program.

22. Explain about creating packages and accessing a package with examples.

23. Explain about random access files in Java with example programs.

24. Explain the usage of any FOUR AWT controls with suitable examples.