Download JNTUH MCA 3rd Sem R13 2018 January 813AQ Java Programming Question Paper

Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 3rd Sem (Third Semester) Regulation-R13 2018 January 813AQ Java Programming Previous Question Paper


R13

Code No: 813AQ

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA III Semester Examinations, January - 2018

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) How and Where this reference is used in java programming?





[4]



b) What are the different ways of using super keyword?







[4]

c) Explain about string tokenizer.













[4]

d) Differentiate between checked and unchecked exceptions.





[4]

e) Explain different types of layout managers.









[4]



PART - B

















5 ? 8 Marks = 40

2.a)

How does Java implement platform independence?

b)

Explain about method binding.













[4+4]

OR

3.a)

Discuss about static methods with examples.

b)

Explain different types of parameter passing mechanism available in java.

[4+4]


4.a)

What is the difference among final, finally and finalize?

b)

Explain about abstract classes.













[4+4]

OR

5.

What are packages? In how many ways packages can be created? Explain the steps to
create packages?

















[8]


6.

Explain about File management using File class.









[8]

OR

7.

Explain client server interaction with datagrams.









[8]



8.

What is meant by exceptions? Whether Java is having automatic exception handling
mechanism?

















[8]

OR

9.

Differentiate between multi threading and multitasking.







[8]


10.a) State and explain with a sample Java program various layout managers?
b) Discuss how to pass parameters to Applets.









[4+4]

OR

11.

Explain about various Event Listener interfaces with their syntax.



[8]



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This post was last modified on 17 March 2023