Download JNTUH MCA 3rd Sem R13 2019 December 813AQ Java Programming Question Paper

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Code No: 81340

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

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MCA 111 Semester Examinations, December - 2019

JAVA PROGRAMMING

Time: 3 Hours Max. Marks: 60

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.

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PART - A

5 x 4 Marks = 20

1. a) “Java is strongly typed programming language”. Justify your answer. [4]
2. b) List the benefits of inheritance.
3. c) Illustrate all the methods in StringTokenizer class.

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4. d) Discuss various Thread Priorities with suitable examples.
5. e) Describe Applet Life Cycle and discuss all the methods.

PART - B

5 x 8 Marks = 40

2. a) Distinguish between constructor overloading and method overloading with suitable examples.
   

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   b) Explain how does String class is different from the StringBuffer class? [4+4]
   OR
3. a) Discuss about all the iterative statements in java.
   b) Write a Java program to find factorial of given number. [5+3]
4. a) Explain static nested class and inner class with examples.
   

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   b) Write a Java program for implementing final methods, final classes. [4+4]
   OR
5. a) What are the benefits of using packages in JAVA?
   b) How to import one package to another package? Give example. [4+4]
6. a) What is Collection Frame work? Write a Java program for creating a Array List.
   

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   b) What are the benefits of Hash Map? Compare Hash Map and Tree Map. [4+4]
   OR
7. a) How to handle primitive data types using the I/O package? Give suitable examples.
   b) Write a Java program to append the contents for existing file. [4+4]
8. a) What are the different ways to handle exceptions?
   

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   b) Write a Java Program to illustrate try with multiple catch statements. [5+3]
   OR
9. a) What is a single threaded Program? Write a Java Program for implementation of multithreading.
   b) Write about Daemon threads with examples. [5+3]
10. a) Discuss about event classes and event listener interfaces in Java?
    

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    b) Describe event delegation model in detail. [5+3]
    OR
11. Write a Java Program to create a Simple GUI form for Bio-Data. [8]
    (Name, Age, Gender, DOB, qualification, Experience, Address, Phone no.)

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