2

8. In which class is the method serVisible() first defined ?

(a) Component. (b) Container.
(c) Window. (d) Frame.

9. Which one of the following is not a source for action event ?

(a) Menultem. (b) List.
(€) TextField. (d) Choice,

10. The checkbox object generates ————.

51.
12.
13.
14.
15.

16.
As;
18.
19.
20.
21.
22.
23.

(a) ActionEvent. (b) AdjustmentEvent.
(£) ItemEvent. (6) None of these.
Part B
Answer all questions.

Each question carries 2 marks.
What is the difference between an applet and application program ?
What are Daemon Threads ?
What is a thread ?
Explain SQL Exception class.
What is an socket ?

Part C (Short Essays)

Answer any fivg questions.
Each question carries 4 marks.

What are packages ?

Explain interfaces with syntax and example.

Differentiate throw and throws.

Explain Resultset metadata.

Explain HTML Applet tag and parameters.

Explain try—catch—finally statement.

Differentiate deepening conversion and widening conversion.

Differentiate various access specifiers in Java.

D 11197

(10 x 1= 10 marks)

(5 x 2= 10 marks)

(5 x 4= 20 marks)