MCS-024 Assignment Questions July 2012

Question 1: a) What is Object Oriented Paradigm? Explain advantages of

Object Oriented Programming. (5 Marks)

b) What is polymorphism? Explain the advantages of polymorphism

with an example. (5 Marks)

Question 2: a) What is platform independence? Explain why java is secure

and platform independent. (3 Marks)

b) Write a program in java to generate Fibonnaci Series. (3 Marks)

c) Explain the advantage of of Unicode. (2 Marks)

d) Explain the significance of PATH and CLASS PATH. (2 Marks)

Question 3: a) What is an exception? Create an exception subclass named

MyException to handle user generate exceptions in Java. (5 Marks)

b) What is abstract class? What are advantages of using

abstract class? Write a program in Java to explain abstract

class and multilevel inheritance. (5 Marks)

Question 4: Differentiate the following and support with example: (10 Marks)

Final and static member

Inheritance and Aggregation

Abstract class and Interface

String and String Buffer

Question 5: a) What are the classes in Java available for file handling?

Write a program in Java to append content at the end of an

already existing file. (5 Marks)  

b) Explain the difference between checked and unchecked

exceptions with example. (5 Marks)

Question 6: a) What is multithreading? Explain the two ways of creating

threads in Java programs. Also explain difference between

notify() and notify All( ) methods. (5 Marks)

b) What is need of Layout Manager? Explain different layouts

available in Java. (5 Marks)

Question 7: a) What is an Applet? Write an applet that prints "Lear Java it is

useful" at the current cursor position whenever the mouse left

button is clicked. (5 Marks)

b) Consider a class that stores a Bank account holder's name,

account number, ATM card number, account balance and

ATM PIN. Write a program to store the data onto a disk file,

except for the account balance and ATM PIN. Use serialization and transient variables. (5 Marks)

Question 8: a) Write a Java program to set up JDBC and execute the following

SQL statement on a database table employee-t with the fields

emp-id, emp name, emp-department, empbasic

"SELECT * FROM employee-t where emp-basic < 10000. (7 Marks)

b) What is Java Bean ? What are its advantages? (3 Marks)