Download JNTUH MCA 3rd Sem R15 2020 November 823AD Java Programming Question Paper

Download JNTUH (Jawaharlal nehru technological university) MCA (Master of Computer Applications) 3rd Sem (Third Semester) Regulation-R15 2020 November 823AD Java Programming Previous Question Paper


S OCT 2020

R15

Code No: 823AD















JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA III Semester Examinations, October/ November - 2020

JAVA PROGRAMMING

Time: 2 Hours













Max.Marks:75



Answer any five questions

All questions carry equal marks

----



1.

What are the primary motivation factors for Java language development? How it
supports object oriented programming concepts?







[15]


2.

Define inheritance. What are the benefits of inheritance? Discuss various forms of
inheritance with examples.













[15]


3.

Demonstrate client server communication (exchange of simple hello messages) using
socket programming.















[15]



used

4.

What are the different states of a thread? Discuss the concept of thread synchronization
and Java code segments for this.













[15]






5.a)

Describe the Model-View-Controller architecture.

b)

Differentiate between applet and application.









[7+8]


6.a)

Write a Java program to demonstrate method overloading.

b)

How memory management is done by Java?









[7+8]











7.a)

What is a nested class? Compare nested class with inner class.

b)

How to define a package? How to access a package?







[7+8]


8.

Discuss the methods in File class for file management.







[15]




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This post was last modified on 17 March 2023