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

Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 3rd Sem (Third Semester) Regulation-R13 2019 December 813AQ Java Programming Previous Question Paper




R13

Code No: 813AQ

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA III 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

S 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 ? 4 Marks = 20

1.a)

"Java is strongly typed programming language". Justify your answer.



[4]

b)

List the benefits of inheritance.













[4]

c)

Illustrate all the methods in StringTokenizer class.







[4]

d)

Discuss various Thread Priorities with suitable examples.





[4]

e)

Describe Applet Life Cycle and discuss all the methods.







[4]



PART - B

















5 ? 8 Marks = 40

2.a)

Distinguish between constructor overloading and method overloading with suitable
examples.















b)

Explain how does String class is different from the String Buffer 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.



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.

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?





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?
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]

(Use necessary awt components such as label, textbox, text area, checkbox, list, choice
etc ) Name, Age, Gender, DOB, qualification, Experience, Address, Phone no.

---ooOoo---

This post was last modified on 17 March 2023