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27
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31.

2 C 30339
Part B
Answer all questions.
2 marks each.
What is a thread ?
Write the constructors of list class.
What do you mean by dynamic method dispatch method ?
Explain finally with example.
What is an event listener ? |
(5 x 2 = 10 marks)
Part C (Short Essay)

Answer any five questions.
4 marks each.

Explain life cycle of thread.
Explain choice control.
Explain Buffered writer class.
Write a Java program to implement Applet concept.
Explain interfaces with syntax and example.
Write a Java program to draw oval, rectangle, circle, arc etc.
Explain various AWT controls.
With an example, explain how to create a child thread by implementing runnable interface.
(5 x 4 = 20 marks)
Part D (Essay)

Answer any five questions.
8 marks each.

Explain important features of Java.

Explain four layout managers.

Discuss different stages in the life cycle of an applet.

Describe multiple and multilevel inheritance.

Write a program using while loop to reverse the digit for any number.
Write a program to design a digital clock.

Create an applet containing three buttons labeled red, green, and blue. The background colour is
initially set to white.

Explain in detail the different types of operator in Java.
(5 x 8 = 40 marks)