Download JNTUH MCA 3rd Sem R13 2020 November 813AQ Java Programming Question Paper

Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 3rd Sem (Third Semester) Regulation-R13 2020 November 813AQ Java Programming Previous Question Paper

S OCT 2020

R13

Code No: 813AQ

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA III Semester Examinations, October/ November - 2020

JAVA PROGRAMMING

Time: 2 Hours













Max. Marks: 60



Answer any five questions

All questions carry equal marks

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1.

Explain various constructors in java and also explain constructor overloading concept.






















[12]


2.

Write the features of java and explain them.









[12]



used

3.a)

What is inheritance? Write its advantages and describe different types of inheritance.

b)

How do you implement multilevel inheritance in java, explain with an example.






















[6+6]


4.a)

Explain about dynamic method dispatch with an example.

b)

Explain about local inner class and anonymous inner class.





[6+6]


5.

Write a program to create random access file in java and display data in random from
the created file.

















[12]


6.a)

Give the overview of any three collection interfaces with examples.

b)

Implement stack using linked list with the help of collection classes.



[6+6]


7.

Design a java application to handle user defined exception.





[12]


8.

Explain JCheckBox and JRadioButton classes with example program.



[12]






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