B.C.A. DEGREE EXAMINATION, NOVEMBER 2017
Fourth Semester
Computer Applications
JAVA PROGAMMING
(CBCS 2014 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 X 2 20)
Answer all questions.
1. State any two differences between Java and
2. What is the scope of a Class Variable?
3. What are the uses of Bit wise Operators?
4. Write any two entry -Controlled loops.
5. What are the three parts of a simple empty class?
6. What is an interface?
7. What is a thread?
8. State any two compile -time errors.
9. What are the three files required to run an applet?
10. What are the six arguments of draw method?
Sub. Code
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Part B X 5 25)
Answer all questions by choosing either or
11. Write down the benefits of Object-Oriented
Programming.
Or
Explain the structure of Java Program.
12. Explain the precedence of arithmetic operators.
Or
Explain the function of conditional operator with an
example.
13. How to create objects and its references in java?
Explain.
Or
Explain any five string methods available in java.
14. How to create our own package in java? Explain.
Or
How to implement the Runnable' interface in java?
Explain.
15. How do applets differ from applications? Explain.
Or
How to draw circles and Ellipses using Graphics
Class? Explain.
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Part C X 10 30)
Answer any three questions.
16. Explain the data types in java with examples.
17. Explain the different forms of IF statement in java with
suitable example.
18. Write a java program for the application of twodimensional
array.
19. Explain the exception handling mechanism used in java
with suitable example.
20. Explain the applet life cycle with its state transition
diagram.
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