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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI 600 034
B.C.A.DEGREE EXAMINATION -COMPUTER APPLICATIONS
THIRD SEMESTER APRIL 2018
16UCA3MC01- PROGRAMMING IN JAVA
Date: 03-05-2018 Dept. No. Max. 100 Marks
Time: 09:00-12:00
PART-A
Answer all questions:10X2=20
1.What are tokens in Java?
2.What is bytecode?
3.Define inheritance
4.What is a class Give an example
5. What do you mean by interface in java?
6. What are wrapper classes? Give an example
7.Define Multithreading
8. What are the states of a thread?
9. What is an applet?
10. List few advantages of Applet
PART-B
Answer all questions:5x8=40
11.a) Compare and contrast JAVA with

b)What is data type? List any basic five data types in java and explain them with
example.
12.a)What is constructor? Explain with example?

b)Explain about abstract class with example
13.a)Write about vector class in java with example

b)Explain about Packages with example
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14.a)Write a java program for Multithreading

b)Write short notes on Inter thread Communication
15.a)Write the difference between Java application and Applet

Write a Java applet program that displays a simple message
PART-C
Answer any Two questions: 2x20=40
16. a)What is an operator? Explain various types of operators used in java
Explain about method Overriding with an example
17. a)Write a java program for extending Interface concept
B Explain the concept of synchronization of thread and its advantages
18. a)Explain the Applet life cycle
b)Explain the control statement with an example