N A L A N D A O P E N U N I V E R S I T Y
Master of Computer Application Part-II
PAPER-XIX
(MCS-024 Object Oriented Technologies and Java Programming)
Annual Examination, 2017
Time 3 Hours. Full Marks 80
Answer any Five Questions.
All questions carry equal marks.
1. What is multithreading Explain how does it help Java in its performance Differentiate
between throw and throws
2. What is Inheritance Explain different types of inheritance in Java. Briefly explain importance
of super keyword in Java
3. What are shift operators How many types of shift operators are available in Java Write a
Java program to explain the concept of shift operators.
4. Explain how exception handling is done in Java, with the help of an example. What is a
package in Java Explain how package is created in Java.
5. Distinguish between the following terms with examples
Exception and Error
Method overloading and overriding
Final and Finally
Instance variables and class variables.
6. What is constructor Explain constructor overloading in Java with an example.
7. What is URL Explain two constructor for URL, in Java.net package. Explain how you may
connect to a URL in Java.
8. Compare the different layout managers in brief. Write a servlet program that fetches all data
from client and stores it in a database successfully.
9. What do you mean by an event Explain different components of an event.
10. What are the different types of AWT components How are these components added to the
container. Explain using an example.