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Download JNTUH MCA 3rd Sem R15 2017 August 823AD Java Programming Question Paper

Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 3rd Sem (Third Semester) Regulation-R15 2017 August 823AD Java Programming Previous Question Paper

This post was last modified on 17 March 2023

This download link is referred from the post: JNTUH MCA 3rd Sem Last 10 Years 2023-2013 Question Papers R20-R09 || Jawaharlal nehru technological university


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Code No: 823AD Rl 5

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JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
MCA III Semester Examinations, August - 2017
JAVA PROGRAMMING
Time: 3hrs Max.Marks:75

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Note:
This question paper contains two parts A and B.
Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 10 marks and may have a, b, c as sub questions.

PART - A
5 x 5 Marks =25

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  1. a) What are the primary motivational factors for Java development? [5]
  2. b) Differentiate between class, interface, abstract class. [5]
  3. c) Compare HashSet and HashMap collection classes. [5]
  4. d) What are the benefits of exception handling? [5]
  5. e) What are the various sub classes of JToggleButton? [5]
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PART -B
5 x 10 Marks =50

  1. 2.a) Demonstrate the usage of ‘this” keyword.
    b) How does Java support abstraction? Give suitable code. [5+5]
    OR

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    3.a) Can an object be passed as a parameter to a function? Justify your answer.
    b) What is the main purpose of unboxing?
    c) Is garbage collection is automatic in Java? [10]
  2. 4.a) Differentiate between method overloading and method overriding.
    b) How to prevent inheritance of a class? [5+5]

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    OR
    5.a) What is a nested class? Is it different from inner class?
    b) Explain access modifiers applicable to packages. [5+5]
  3. 6. Write a program to merge the contents of two files into a target file and retain non- redundant words in the final file. [10]
    OR

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    7. Write a socket program to establish connection and communication between a server and a client using TCP/IP sockets. [10]
  4. 8.a) Write a program to simulate nested try statements in exception handling.
    b) Differentiate between ‘throw’ and ‘throws’ usage. [5+5]
    OR
    9.a) What is the need of thread synchronization? How is it achieved?

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    b) What is a daemon thread? What is its purpose? [5+5]
  5. 10.a) Describe Model-View-Controller architecture for application development.
    b) What is the significance of adapter classes? [5+5]
    OR
    11 Write a program to handle keyboard events using delegation event model. [10]
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This download link is referred from the post: JNTUH MCA 3rd Sem Last 10 Years 2023-2013 Question Papers R20-R09 || Jawaharlal nehru technological university

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