B.Sc. (THREE YEAR) DEGREE EXAMINATION, OCTOBER 2018
End Semester Examination
Third Semester
Part II Computer Science
(Regular/Supplementary)
Paper III OBJECT ORIENTED PROGRAMMING USING JAVA
2 C 3311
Time 3 Hours Max. Marks 70
PART — A
Answer any FIVE of the following questions. 4 20 Marks)
1. What are command line arguments? How are they useful?
2. What are the basic data types in Java?
3. Explain additional features of for loop.
4. How is a method defined?
5. What are the applications of wrapper classes?
6. How do we set priorities for threads?
7. What is an exception handling?
8. What is Java package?
PART — B
Answer ALL of the following questions. 10 50 Marks)
UNIT I
9. What are the features of Java?
Or
What is an arithmetic expression? Explain precedence of arithmetic
operators.
UNIT II
10. Write a syntax and examples for if-else statement and nested if statement.
Or
What is constructor? What are its special properties? Explain with a program.

UNIT III
11. Describe the various forms of implementing interfaces.
Or
Compare and contrast overloading and overriding methods.
UNIT IV
12. Describe the complete life cycle of thread.
Or
Explain compile-time errors and run-time errors.
UNIT V
13. Explain about Java API packages and naming conventions.
Or
Describe the major tasks of input and output stream classes.