Information Technology

Ty Bsc IT Question Bank Sem V

Advanced Java

Unit 1- AWT and Event Handling

1.)    Explain the terms: a.)Events b.) Listeners c.) Source

2.)    How is event handling done in java?

3.)    Write a short note on delegation event model.

4.)    What are adapter classes in java? Explain with an example.

5.)    Explain with an example how inner classes simplifies adapter classes.

6.)    Explain how anonymous inner classes are used for event handling.

7.)    What is the default layout of the frame? Explain the same.

8.)    Explain following classes with an example:

a.)    ActionEvent

b.)    ItemEvent

c.)    AdjustmentEvent

d.)   MouseEvent

e.)    KeyEvent

f.)     ComponentEvent

g.)    ContainerEvent

h.)    FocusEvent

i.)      TextEvent

j.)      WindowEvent

k.)    MouseWheelEvent

l.)      InputEvent

9.)    Explain the Event Listener Interfaces.

10.)                        How does AWT create radio buttons? Explain with syntax and code specification.

11.)                        Explain the following Layout Managers with an example.

a.)    FlowLayout b.)GridLayout c.)BorderLayout d.)GridBagLayout e.)CardLayout

12.)      Write a program to generate GUI with two textboxes for first name and last name, one radio button group for gender and one checkbox group for hobbies and display the appropriate selection in label.

13.)      Write a program using AWT to generate two textboxes for username and password, two buttons for login and cancel.