B.Sc. (Three Year) DEGREE EXAMINATION, OCTOBER/NOVEMBER 2017.
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. Describe the various seperators used in JAVA.
2. What is the use of static methods in JAVA.
3. What are conditional operators? Explain with example.
4. What is vector? Write any four vector methods.
5. How can you implement interfaces?
6. How many catch blocks can we use with one try block.
7. Write a procedure to adding a class to a package.
8. Describe the structure of Java program.
PART — B
Answer ALL of the following questions. 10 50 Marks)
UNIT I
9. What are the Java features? Explain each one.
Or
Give an examples for ''logical operators'' and expressions.

UNIT II
10. Explain different types of looping statements in Java.
Or
With a Java program for method overloading.
UNIT III
11. What is inheritance and how does it help us create new classes.
Or
With a Java program to sort elements using array.
UNIT IV
12. What is Thread? How can you implement thread? Explain with suitable
example.
Or
What is exception handling? Explain in detail.
UNIT V
13. Explain Applet life cycle.
Or
Describe about Input stream classes and output stream classes.
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