Download JNTUH MCA 3rd Sem R13 2019 April-May 813AQ Java Programming Question Paper

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R13

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

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MCA III Semester Examinations, April/May - 2019

JAVA PROGRAMMING

Time: 3 Hours Max. Marks: 60

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Note: This question paper contains two parts A and B.

Part A is compulsory which carries 20 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 8 marks and may have a, b, c as sub questions.

PART - A

5 x 4 Marks = 20

1. a) Describe the Java program structure. [4]

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2. b) What is the difference between an interface and an abstract class? [4]
3. c) Explain the different types of legacy collection classes. [4]
4. d) How does Java support inter thread communication? [4]
5. e) What are the different types of controls available in AWT? [4]

PART - B

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5 x 8 Marks = 40

1. a) What is object oriented programming? Explain the need of object oriented programming.
   b) What is constructor? What are the rules of constructor? Give an example. [4+4]
   OR
   

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2. a) List and explain Java Buzz words, in detail.
   b) What is constructor overloading? Explain with examples. [4+4]
3. a) How Packages differ from Interfaces? Explain.
   b) What is the importance of CLASSPATH? Discuss. [4+4]
   OR
   

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4. a) What is interface? How to create it? Explain with example.
   b) Explain about accessing implementations through interface references. [4+4]
5. a) Explain about Java commonly used collection classes.
   b) Discuss about random access file operations. [4+4]
   

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   OR
   
6. a) Write about the overview of Java collection framework.
   b) Explain the connectionless client/server interaction with diagrams. [4+4]
7. a) What is thread synchronization? Discuss with an example.
   

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   b) Explain the following with necessary code snippets:
   1) Creating thread ii) Stopping and Blocking a Thread [4+4]
   OR
   
8. a) Explain various thread states and properties in detail.
   

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   b) Explain about Exception Handling in Java with examples. [4+4]
9. a) Describe the different stages in the life cycle of an Applet.
   b) Explain the features of Swings in Java. [4+4]
   OR
   

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10. a) What is AWT? List difference between AWT and swings.
    b) Write an applet program to enter personal details. [4+4]