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

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

R13

Code No: 813AQ

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA III Semester Examinations, April/May - 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.



PART - A



















5 ? 4 Marks = 20

1.a)

Describe the Java program structure.











[4]

b)

What is the difference between an interface and an abstract class?



[4]

c)

Explain the different types of legacy collection classes.







[4]

d)

How does Java support inter thread communication?







[4]

e)

What are the different types of controls available in AWT?





[4]





PART - B

















5 ? 8 Marks = 40

2.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

3.a)

List and explain Java Buzz words, in detail.

b)

What is constructor overloading? Explain with examples.





[4+4]


4.a)

How Packages differ from Interfaces? Explain.

b)

What is the importance of CLASSPATH? Discuss.







[4+4]

OR

5.a)

What is interface? How to create it? Explain with example.

b)

Explain about accessing implementations through interface references.



[4+4]


6.a)

Explain about Java commonly used collection classes.

b)

Discuss about random access file operations.









[4+4]

OR

7.a)

Write about the overview of Java collection framework.

b)

Explain the connectionless client/server interaction with diagrams.



[4+4]


8.a)

What is thread synchronization? Discuss with an example.

b)

Explain the following with necessary code snippets:
i) Creating thread ii) Stopping and Blocking a Thread







[4+4]

OR

9.a)

Explain various thread states and properties in detail.

b)

Explain about Exception Handling in Java with examples.





[4+4]


10.a) Describe the different stages in the life cycle of an Applet.
b) Explain the features of Swings in Java.











[4+4]

OR

11.a) What is AWT? List difference between AWT and swings.
b) Write an applet program to enter personal details.







[4+4]



---ooOoo---