Jawaharlal Nehru Technological University Kakinada 2010-2nd Sem M.C.A Subject Code: MC921 [R09] Regular s OOPS (Through Java) - Question Paper

Time: three Hours

Max Marks: 60


ans any 5 ques. All ques. carry EQUAL marks


1. a) Compare procedural programming and object oriented programming.
b) discuss the subsequent OOPs concepts:

i) Encapsulation ii) Inheritance iii) Polymorphism


2. a) discuss constructor overloading with an example.

b) discuss i) this keyword ii) Garbage collection

3. a) discuss dynamic method dispatch with an example.

b) discuss the uses of super keyword with an example.

4. a) discuss defining, creation and accessing a package with an example every.

b) Write the differences ranging from classes and interfaces.

5. a) discuss the creation and usage of your own exception with an example.

b) discuss the thread synchronization with an example.

6. a) define delegation event model.

b) discuss the handling of keyboard events with an example.

7. a) discuss the life cycle of an applet.

b) Write an applet program to display a pentagon.

8. a) Write the limitations of AWT components.
b) What is a scroll pane? discuss the usage of JScrollPane class with an example.

Earning:   Approval pending.