BCA-16
December Examination 2017
BCA Pt. III Examination
Programming in JAVA
Paper BCA-16
Time 3 Hours Max. Marks 100
Note: The question paper is divided into three sections B and C. Write answers as per given instructions.
Section A 10 × 2 20
(Very Short Answer Questions)
Note: Answer all questions. As per the nature of the questions delimit your answer in one word, one sentence or maximum up to 30 words. Each question carries 2 marks.
Write any three are methods of the Object class?
What keyword is used to declare a constant?
What is applet?
Give difference between a public and a non-public class.
What is the importance of static variable?
When a program does not want to handle exception, the class is used.
Can we define a variable in interface? What type it should be?
242
BCA-16 100 3 (P.T.O.)
BCA-16 100 3 (Contd.)
242
(viii) Explain finalize( method.
What is a package?
What is the difference between 'Exception' and in
java?
Section B 4 × 10 40
(Short Answer Questions)
Note: Answer any four questions. Each answer should not
exceed 200 words. Each question carries 10 marks.
What is File Handling? Explain its advantages. Explain the
concept of File streams.
What do you understand by I/O streams? Differentiate between
Byte Stream and Character Stream.
Explain the various categories of recursive statements used
in Java.
What is applet? Describe the complete life cycle of an applet.
What is a copy constructor? Explain with the example.
What are decision making statements? Explain the various
categories of decision making statements used in Java.
What is the concept of Thread model and Main Thread?
How Swings are different from Applets? Explain with an
example.
BCA-16 100 3
242
Section C 2 × 20 40
(Long Answer Questions)
Note: Answer any two questions. You have to delimit your each
answer maximum up to 500 words. Each question carries
20 marks.
10) What is an interface? Describe the purpose and application
of interface. Give an example for defining and implementing
interface.
11) What is finally block? When and how is it used? Give a suitable
example. Demonstrate the usage of multiple catch blocks.
12) What do you understand by inheritances? Explain all type of
inheritances used in JAVA.
13) What is exception handling? What are the type of exception?
Write a code to handle array out of bound exception.