Model Questions

1. Define a package with its general form. Discuss about importing packages in java and creation of custom packages in java. And how they are imported (8). 2. Define interface and its general form. •

Interface references can be used to access implementations.

•

Interfaces can be extended.

Justify the above statements with a suitable example. (8). 3. Discuss about the lifecycle of applet with its skeleton(6)

4. Define object serialization. Discuss about it with a neat suitable example.(10) 5. Write a program to display a greet message according to Marks obtained by student. (6) 6. Discuss about the role of events, event sources and event listeners. (10)

7. Explain the role of adapter classes with simple example(6) 8. Define event and discuss about main event classes in java.awt.event package with its event sources. (10). 9. Discuss about different layouts in applet with a suitable examples for each (16). 10.Discuss about event handling in radio button and choice list with suitable examples. (8) 11.Discuss in detail about detail RMI architecture .(8) 12.What is JDBC? Describe about various JDBC driver types. (8) 13.Discuss about cookie class in servlets.(6)

14. Why HTTP is called as a Stateless protocol. Discuss about Session Tracking in Servlets with a suitable example (10). 15. Draw the hierarchy of collection class. Discuss about the Array List,

Linked list and Hash Set with suitable examples .(16) 16. Mention the use of various Map Interface and discuss about the basic

operation of Map interfaces.(4)