Download JNTUA MCA 2016 Nov 3rd Sem 9F00305 Java Programming Question Paper

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Code: 9F00305

MCA II Semester Regular & Supplementary Examinations November 2016

JAVA PROGRAMMING

(For 2011, 2012, 2013, 2014 & 2015 admitted batches only)

Time: 3 hours Max. Marks: 60

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Answer any FIVE questions

All questions carry equal marks

1. (a) “Java is platform independent and a robust language”. Support or oppose this statement.
   (b) What is a constructor? Why is it important for object creation?
2. (a) Differentiate class, abstract class and interface.
   

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   (b) Implement the concept of dynamic method dispatch in java.
3. (a) Discuss the scope of variables in inner classes.
   (b) Give an example and usage of anonymous inner class.
   (c) How to create a package in a project? Write a code snippet.
4. (a) List the methods of map interfaces.
   

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   (b) Write a program to generate random numbers between 20 and 50 using java utilities.
5. (a) Compare byte streams with character streams.
   (b) List the operations on random access file.
   (c) Write an account on InetAddress class.
6. (a) How to define a user-defined exception? Discuss with an example program.
   

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   (b) What are the built-in method supported by java for inter-thread communications?
7. (a) Give AWT class hierarchy.
   (b) Discuss all the kinds of buttons in swing package.
   (c) What is meant by flow layout?
8. (a) Briefly describe delegation event model.
   

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   (b) Construct an applet to accept (read) user name and display the greetings (“Good morning username”) along with a smiley picture.

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