B.C.A. (Three Year) DEGREE EXAMINATION, OCTOBER 2018.
End Semester Examination
Third Semester
Part II
(Regular/Supplementary)
OBJECT ORIENTED PROGRAMMING USING JAVA
2 C 3503
Time 3 Hours Max. Marks 70
PART — A
Answer any FIVE of the following. 4 20 Marks)
1. List at least five differences between C and Java.
2. What are Java Tokens? List the various types of tokens.
3. When do we declare a method or class as final?
4. What are jumping statements in Java?
5. Why are arrays easier to use compared to a bunch of related variables.
6. Explain how exception handling mechanism can be used for debugging a program.
7. Write about local applet and remote applets.
8. What is stream? How is the concept of streams used in Java?
PART — B
Answer ALL the following questions. 10 50 Marks)
UNIT I
9. Explain each section of Java program structure.
Or
How are constants and variables important in developing programs?
UNIT II
10. What are the differences between while and do-while loop?
Or
What is class? How does it accomplish data hiding?

UNIT III
11. What are the major differences between interface and a class?
Or
What is the concept of method overloading? Write a program for method
overloading.
UNIT IV
12. What is the difference between multiprocessing and multithreading?
Or
How do we define a try and catch block?
UNIT V
13. Describe the various sections of webpage.
Or
How do we design a package?